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Review ASUS ROG STRIX Z390-E GAMING: what is the fee required for overclocking 8-core Intel chips

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Motherboard manufacturers are thoroughly prepared for the release of a-series chips Coffee Lake Refresh — especially the 8-core models Core i7 and Core i9 9700K-9900K. Reveal a little mystery: the editors met with various devices, and ASUS ROG STRIX Z390-E GAMING is the first “swallow”, which is tested from the test lab. Details about the peculiarities of the Z390 Express chipset you can read the review of the latest 8-core “coffee” chips. Now let’s see what (including in terms of acceleration) can charge the middle class. Or the new 8-core, you need something more fancy?



#Specifications and packaging

As always, all main features are shown in the table below. I note only that ASUS on its official website at the time of writing this review, already posted information about 11 boards on the basis of Z390-chipset. ROG STRIX Z390-E GAMING — a typical representative of the middle class, the steeper it only motherboard MAXIMUS series XI, which will be described in the other reviews.

Supported processors Intel 9-th and 8-th generations (Core, Pentium and Celeron Gold) for LGA1151 platform-v2
Chipset Intel Z390 Express
Memory subsystem 4 × DIMM slots, up to 64 GB of DDR4-2133-4266 (OC)
Expansion slots 3 × PCI Express x16
3 × PCI Express x1
The storage interface 1 × M. 2 (Socket 3, 2242/2260/2280), support a SATA 6GB/s and PCI Express x4
1 × M. 2 (Socket 3, 2242/2260/2280/22110) with support for PCI Express x4
6 × SATA 6GB/s
RAID 0, 1, 10
LAN Intel I219V, 10/100/1000 Mbps
Wireless network Intel Wireless-AC 9560
Audio ROG SupremeFX (S1220A) 7.1 HD
Interfaces on the rear panel 1 × HDMI
1 × DisplayPort
1 × RJ-45
1 × optical S/PDIF
3 × USB 3.1 Gen2 Type A
1 × USB 3.1 Gen2 Type C
2 × USB 3.1 Gen1 Type A
2 × USB 2.0 Type A
5 × 3.5 mm audio
Form factor ATX
Price No data

The device is packaged in a small colorful cardboard box. In addition to the cost, it was a lot of both useful and not-so accessories:

  • User manual, stickers with the logo of ROG, stickers for your SATA cables, badge on the door knob, and optical media with software and drivers;
  • The antenna for the wireless communication module;
  • Four SATA cable;
  • Two extensions to connect the RGB strip;
  • Additional screws for securing the SSD;
  • Nylon ties;
  • 40 mm fan and mounting tool;
  • Thermocouple;
  • HB SLI-bridge to connect two graphics cards.

The attentive reader may have noticed a lack of one important accessory which is essential for the Assembly of the computer housing. Well, let’s look at the Board design in more detail.

#Design and capabilities

It would be strange if the device-level ROG STRIX Z390-E GAMING gathered on the basis of a stripped-down PCB. No, the design of the products ASUS uses a full sized (305х244 mm) printed circuit Board, and this fact can not but rejoice.

With the wiring of the expansion slots and other connectors at the ASUS ROG STRIX Z390-E GAMING all right. Thus, the device has three ports PCI Express x1, and the same PCI Express x16. The first PEG port intended for graphics cards, so underneath no slots no in 2018 should still try to find online discrete adapter, cooling system which will not take two or more expansion slots in the housing. Of course, ASUS ROG STRIX Z390-E GAMING technology supports NVIDIA SLI and AMD CrossFire both PCI Express x16 in this case, it will work according to the scheme x8+x8. By the way, this couple PEG ports are further reinforced. Metal frame called SafeSlot, according to ASUS, increases the strength of the port by 1.8 times under the load of fracture, and 1.6 times when the load on the pulling.

The third PCI Express x16 slot always runs at x4 speed.

Personally, I was most struck by the presence on the Board from seven (!) connectors for fans. All — 4-pin. Finally, before manufacturers realize that a lot is not enough. Moreover, in the case form factor Midi-Tower may use six or more impellers. Because modern boards are able to adjust the frequency of rotation not only the “Carlson” with PWM, then there is no need to use additional “trimmings” like a fan controller, or pick a case with a built-in controller for the fans. Beauty!

The engineers decided to place three pads for connecting fans in the lower right part of the PCB next to the SATA ports. There are connectors marked M. 2_FAN, W_PUMP and CHA_FAN2. From the names of these connectors is already clear what they are. On the ASUS website, for example, to download the drawing of the special fasteners for the fan that comes in the kit, and use it to cool the M. 2 drive. Port W_PUMP useful to those who will collect custom DLC — tank pump usually mounted in the lower part of the Tower housing.

Next to the socket there is a connector AIO_PUMP, it is designed to connect the pump unattended “dropsy”. In General, on the basis of the ASUS ROG STRIX Z390-E GAMING to really build a powerful system with lots of fans. To me this approach is like!


Another fashion is the use of two M. 2 ports on the Board. The primary connector supports drives with a length of 42, 60 and 80 mm, they can be connected through the interface PCI Express x4 3.0 and SATA 6 GB/s (in this case, it will shut down the port marked SATA6G_2). This M. 2 port is located very well, in my opinion. First installed here SSD will not be blocked by the graphics card and there will be no additional warm up. Secondly, when using the air cooling system the SSD will be further Abdovitsa.

The second M. 2 slot with a video card only when using CrossFire or SLI array. This connector supports drives with a length of 42, 60, 80 and even 110 mm, but it works in mode PCI Express x4. Both M. 2 slot is equipped with aluminum radiators for additional cooling of the SSD. With chip and memory chips, these plates are in contact with the pads.

In addition to a couple M. 2 soldered on the Board pads, six SATA 6 GB/s — they are located in the usual ATX-mainboard.

Among the internal connectors note the internal USB 3.1 Gen2, which is soldered next to the 24-pin power connector of the motherboard. In the bottom of the Board there are pads for connecting the F-audio, COM, 12-volt RGB strips, NODE, TPM, EXT_FAN, USB 2.0 and USB 3.1 Gen1. In the upper part of the PCB near the 4-pin connectors for fans, there is one connector for connecting the 12-volt RGB tape. And near ports SATA 6 GB/s — one for 5-volt modding accessories. Connector NODE allows you to monitor and control the system using other devices connected to the Board. For example, In Win introduced the case with an integrated OLED panel. And FSP is the PSU HydroDPM that you can just connect to your ASUS ROG STRIX Z390-E GAMING. Port EXT_FAN you can connect three fan. However, complete no wires required for this operation, I have not found.

As for the backlight, on the card is the logo of “Republic” and inscription below.

If I remember correctly, it is ASUS first started to get rid of the stubs I/O panel for the case. In my opinion, it’s very simple but at the same time very effective design move.

As for the interfaces, the panel I / o I note the presence of four ports USB 3.1 Gen2, which are now implemented through the chipset. One of them connectors — C type, and it works by the controller ASMedia ASM1543. Chip ASMedia ASM1442K provides the video output HDMI version 1.4.

Wired network connectivity is provided by Intel I219-V and wireless — by Wireless-AC 9560, which, in addition to the standard Wi-Fi 802.11 a/b/g/n/ac with a capacity of up to 1733 Mbps, and supports Bluetooth 5.0.

Sound in ASUS ROG STRIX Z390-E GAMING meets the audio codec, Supreme FX, which is based on the familiar Realtek chip ALC1220A. The manufacturer claims that he gets “exclusive version” of this chip, therefore, the name of the second letter “A”. Compared to the “standard” Realtek ALC1220 the ratio of “signal to noise” from “elite,” 113 vs 108 dB. Traditionally, expensive boards in the composition of the audio included high-quality Nichicon capacitors and operational amplifier RC4580 and OPA1688 from Texas Instruments. The audio chip is shielded, and all elements of the sound system is separated from the other components of the PCB strip, which does not conduct current.


Field-effect transistors of the power Converter are cooled by two rather large aluminum radiators. With MOSFET they are in contact with two pads. One of the radiators is equipped with a special metal frame. It is possible to lift and secure it using the 40 mm fan is the one that comes in the kit. How the impeller works and whether it is necessary at all, I’ll explain in a second part of the article.

The Converter has 10 power phases. Eight channels are intended for the CPU, two for the integrated GPU. The composition of each phase consists of one inductor and field-effect transistor ON NCP302045. Controls the voltage of the PWM controller Digi+ ASP1400CTB. The same chip is used for example in the mother Board ASUS ROG Strix B360-F Gaming.

What’s interesting is that a similar model, ASUS ROG SSTRIX Z370-E GAMING, which is also compatible with processors Coffee Lake Refresh, power Converter have a different configuration. Directly to the CPU are four phases, each channel consists of two inductors and four field-effect transistor (build SiRA12DP and SiRA14DP from Vishay Intertechnology). Maybe to shovel the VRM area ASUS engineers made the release of 8-core Intel chips.

About how effectively the system works cooling the VRM area in the acceleration, I will tell you next.


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PC / Laptop

The 2018: PC processors

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If we talk about processors, then 2018 will be remembered first and foremost not because of some new and impressive products, but for the opposite reason. Of course, we cannot deny that AMD and Intel doing a good job of that last year left at least boring, but the thing that dominated the CPU market for the entire year is a never – ending problem. Various difficulties arose here and there, they raised both the manufacturer of the CPU, and left a significant imprint on everything that happened. Moreover, many of these problems was not resolved last year and in varying degrees, be relevant in 2019.

#Security issues

The main trouble with which the CPU market had to face in 2018, of course, became the vulnerability of families Spectre and Meltdown. And if it’s not a disaster, it is very deep and difficult problem, because attacks with their use exploit basic principles of modern micro-processors, which are widely used to increase performance: branch predictions, and speculative (anticipatory) execution of commands. Very indicative of the fact that since about the Spectre, and Meltdown was notified manufacturers of processors, until the beginning of 2018, when the information about these vulnerabilities was posted in public access, passed for six months. However, there is no clear response during this time was not followed and, moreover, certain types of attacks through third-party channel using the principles of Spectre and Meltdown remains possible to this day!

In varying degrees, were prone to Meltdown and the Spectre of the topical products not only Intel and AMD, and ARM, and even Power. However, more than any other from among the manufacturers of x86 processors have suffered all the same Intel. Microarchitecture Core was open for a solid number of varieties of attacks, which completely neutralize one only microcode fixes and patches the operating system has failed to this day. Intel have to make changes in the design of their chips at the hardware level, but it takes time, and the first CPU microprocessor giant, where the vulnerability will be eliminated in the best case will be a 10-nm Ice Lake, which is expected to be available by the end of 2019.

In the meantime users have to be satisfied with the OS patches and service packs installed firmware, installing of which, however, is not without a trace. The speed of those processors, in some scenarios, when you enable protection against Spectre and Meltdown drops by up to 30% and significantly reduces the performance of operations of input-output, in particular for calls to the disk subsystem. And this has to be tolerated, because even the processors of the Whiskey Lake and the Coffee Lake Refresh, where the developer already made some changes that make it difficult to attack, installing required patches, still leads to performance degradation.

Against this background, AMD was in a more advantageous situation: attack Meltdown for them not scary at all, and the practical operation of the Spectre requires much more effort. Therefore, we can say that AMD got off lightly: although close the vulnerability patches and service packs installed firmware is also needed, in case Ryzen this does not lead to obvious deterioration of consumer qualities of the processors.

Later, however, security systems with AMD processors, there were several other specific claims that have been announced under the name MasterKey, Chimera, Ryzenfall and Fallout. However, these vulnerabilities belonged to the security coprocessor and the chipset, that is does not directly affect the architecture of the CPU. And in addition, their operation required elevated privileges. In other words, vulnerability was secondary, and AMD also promised to eliminate them quickly via a BIOS update, so in the end, and then for the company all came together extremely well.

#Problems process

Intel, meanwhile, managed to fall into another loud scandal – the company suffered a fiasco with the introduction of 10-nm process technology. Initially, a 10-nm process technology was announced by microprocessor giant in 2017, with mass production of semiconductor devices with its use was to begin in the second half of 2017. However, in reality this did not happen. By the beginning of last year, Intel launched only a pilot delivery of limited volumes of 10-nm chips Cannon Lake only one client, and these processors were obviously a test product with limited capabilities: they had only a few cores and have been deprived of whatever graphics core.

Further development of this story was even more sad. In April, Intel reported that supplies of 10-nm chips continue to wear the trial the nature and the mass production of 10-nm products will be postponed until 2019. And still later, in the summer, it was announced that further delay the introduction of advanced technology, this time to the end of 2019. At this point, was beginning to seem like Intel is ready to completely cancel its 10-nm process, which the company has encountered numerous difficulties. And the biggest of them was the fact that Intel has traditionally been tied to the development of process technology new microarchitecture, so the delay in the implementation of the 10-nm technology automatically led to impossibility of implementation of any innovation in processor design. For this reason, all processors, which Intel brought to market in 2018, not only made for 14-nm process, but relied on the old microarchitecture Skylake, developed in 2015.

However, at the end of last year, Intel still has confirmed that recalcitrant 10-nm technology will still be implemented for mass production of chips and processors first mass produced with the application, will become chips of Ice Lake, built on a new microarchitecture Sunny Cove. Intel has promised that by the end of this year the market will be ready-made systems based on them, and explained why it could not cope with the “thin” standards.

It turns out that the problem was that the microprocessor giant has set himself too ambitious in terms of scaling the size of transistors. The transition from 14 – to 10-nm technology, as originally envisaged in the project was to increase the density of semiconductor crystals was 2.7 times and less aggressive goals, the company informed in front of him never put. For example, 14-nm process technology has increased the density of the crystal is only 2.5 times, and before that the typical ratio was a value of 2.1 and 2.3. However, the priorities originally set Intel still leaves in place. In other words, the two-year delay in the commissioning of the 10-nm technology still gave the company the necessary time to debug the equipment, and semiconductor crystals for future processors Ice Lake will be exactly the targets that I initially thought.

With the problems concerning the technological processes, in 2018 he faced, and AMD, although they were quite different in nature. The fact that long-standing manufacturing partner AMD, GlobalFoundries, suddenly changed the strategy and changed their plans. In August, the semiconductor forge announced a complete waiver of the development and implementation of 7-nm process and the desire to focus on the production of chips solely on the technical processes with the standards 12 and 14 nm and the improvement of its technology FDX (FD-SOI). Along with that GlobalFoundries has suspended all of its work on the implementation of EUV-lithography and even began to seek buyers for already acquired the lithographic equipment. This solution is one of the leading contract manufacturers of semiconductors was due to purely economic reasons: GlobalFoundries felt that received the required long-term pool of customers on old technical processes and the introduction of new technology sucking out her finances and does not promise profit in either the short or in the medium term.

Therefore, although AMD has traditionally used the power of this contract manufacturer to place orders for the release of all its CPUs, and now was forced to build relationships with new contractors. AMD plans included the transfer of all advanced products for 7-nm process technology for 2019, so looking for a new partner had very quickly. And it was the company TSMC, which will now be responsible not only for the GPU release, but also for the production of future processors Ryzen and EPYC, built on microarchitecture Zen 2. This change raises some concerns whether the new contractor to provide the proper amount of supplies. And the unequivocal answer to this question yet. But by the end of 2018 download 7-nm TSMC production lines for the first half amounted to only 80-90 %. Therefore, it is hoped that a short supply of promising chips with the architecture Zen 2 still will not occur.

#Of problems with backorders

Story short supply in 2018 is very painful for Intel. Despite the fact that ahead of the microprocessor giant has finally led to successful resolution of the situation with the introduction of another semiconductor technology, the whole story still “came out sideways”, so much so that Intel now it is time to worry about loss of market share. The fact that, starting to convert production lines for the production of advanced 10-nanometer chips, Intel was forced to restrict the output of 14-nm products, and as a result, by the middle of 2018 faced with the fact that it fails to fully meet the demand on the processors current model range.

Provoked such situation events in the server market, which demonstrated an unexpected rapid growth and was in need of a larger number of chips for data centers, but it is reflected primarily in consumer decisions. Still, the interests of major customers Intel puts above all. So when we are talking about the fact that the company is unable to produce the required number of processors, the decision was made primarily to limit the supply of low-cost solutions for laptops and desktops. As a result, in the middle of the year began a significant underdelivery of massive models the CPU, which resulted in shortages and rising prices, eventually affecting the entire range of Intel’s consumer platforms.

At the peak of the deficit, which peaked in September-October, prices on popular desktop processors like the Core i5-and Core i3 8400-8100 has risen by 30-40 percent, and never returned to normal even today. However, nothing surprising in this. Although Intel and directs a huge effort to expand production of processors for 14-nm process and even invest in the expansion of aging the production of an additional billion dollars, install and configure equipment, as well as the start of the production process – it is not one month. Therefore, even the most optimistic projections the shortage of Intel processors we will have to live until at least the end of the first quarter of this year, and many analysts suggest that the repercussions of the production problems will be felt throughout the first half.

Изменение цены Core i5-8400 на

Change the Core i5-8400 in

All this gave a great chance for AMD to increase market share in consumer processors, which is what she may fail to take advantage. While Intel offers took new price levels, AMD has consistently met the demand, we do not supply and kept prices at a constant level. This led to the fact that Ryzen become much more favourable purchase terms of the combination of price and consumer qualities, and it was appreciated by the buyers. As a result, in the last months of last year, retail sales of AMD processors in some regions (e.g. Germany and Russia) managed in unit sales to exceed the sales of Intel processors, which eventually led to some reduction in the market share of Intel in the segment of desktop systems with 88% in the second quarter to 85-87 % in the third-fourth quarter (exact estimates Mercury Research will appear a little later).

#Problems with the heads

Amid such serious security issues, new technological process and backorders processors a real trifle may seem to be another significant incident with Intel: in 2018, the company lost its Executive Director. Brian Krzanich (Brian Krzanich), who has worked at Intel for 36 years, started his career with the post of mechanical engineer and has come down in 2013 to directorship was in the middle of 2018 sacked and expelled from the membership of the Board of Directors due to the violation of internal rules regarding fraternization between employees.

There is a theory that under this pretext, Intel got rid of the Manager who committed a series of strategic miscalculations, for example, with the development of 10-nm process technology, but whatever it was, from June and to this day, the chief Executive officer of Intel remains vacant. Temporary management of the company assigned to financial officer Robert Swan (Robert Swann), and how many will continue the search for a permanent person to the vacant position, is completely unclear.

By the way, personnel problems are not bypassed in 2018 and AMD. Last year she lost many specialists from the field of marketing, and engineers. The majority of employees who left the company after Coduri Raja (Raja Koduri) has weakened the graphic direction of the company. But among them was valuable processor engineer – Jim Anderson (Jim Anderson), who headed the Department of computing and graphics solutions and led the improvement of the microarchitecture Zen after leaving AMD, Jim Keller (Jim Keller).

How this loss will affect future activities of AMD, time will tell.

#An overview of the main announcements

Problems, and how they had to fight the producers for a very interesting story. However, to circumvent the final article is a story about the new products that appeared on the market, it would be unfair. While it is true breakthrough technology, we showed neither Intel nor AMD. All appeared in last year new items were, by and large, secondary. Companies are preparing for a fundamental breakthrough in the next year and in 2018, they produced chips that are built on older technologies and architectures.

For this reason, the most innovative product in 2018, was submitted 12 months ago processor the most productive on the market of integrated graphics, which is the result of cooperation between Intel and AMD – Core graphics Radeon RX Vega. This Quad-core mobile processor crystal Kaby Lake merged with a graphics core Polaris and HBM2-memory, which were assembled on the CPU Board with the use of implanted in a semiconductor substrate of a bridge EMIB (Embedded Multi-Die Interconnect Bridge). As a result, the output will get processors with a TDP of 65 to 100 watts, which could offer very good graphics performance without having to install an additional discrete graphics card. These processors were adopted by HP and Dell, which came to put them in some of their gaming notebooks, and Intel, who offered the compact NUC system. But now, after a year, it becomes clear that it was rather a bold experiment, and not a mass product with a great future. Further development of the project, unfortunately, has not received, and computers, which can be detected with Core graphics Radeon RX Vega are gradually moving away from sale.

But a month later, in February, AMD already without the help of Intel has announced its own desktop processors with integrated graphics, which have taken a worthy place in the lineup of the company. Combining in a single semiconductor crystal core computing Zen and Vega graphics core, AMD has released a couple of chips for desktop – Ryzen Ryzen 5 2400G, and 3 2200G, immediately became bestsellers among the audience of buyers focused on the Assembly budget systems. The success of such processors was due to the fact that they were able to offer acceptable gaming performance in 720p resolution and four processing cores at a price in the range of $100-$170. However, to consider Ryzen Ryzen 5 2400G, and 3 2200G novelty of 2018 is still not quite correct. A similar Raven Ridge chips for mobile computers AMD announced back in the fall of 2017, so in this case it is logical to talk about the expansion of their habitat, and not about presenting a fundamentally new product.

But do something interesting, AMD could be releasing in April: this month saw the light of older processors Ryzen bimillenary series: Ryzen 2700X 7, 7 2700 Ryzen, Ryzen Ryzen 2600X 5 and 5 2600. And it is really legitimate to classify the second generation Ryzen, since they switched to the newer microarchitecture Zen+ and were produced by a more perfect process technology with the norms of 12 nm. However, for many of these chips was a disappointment. AMD did not perform any “mistakes”, did not improve the memory controller and did not reduce the latency of inter-core connections. All that could offer new Ryzen is only a 3% improvement in IPC (the number of executable per clock instructions), reached by the reduction of delays in the subsystem cache memory, and a slight increase in clock frequencies. In the end, the benefits Ryzen second-generation over predecessors lie within 10% performance increase, which at first glance was not enough to change the landscape of the processor market. But in fairness it should be noted that, despite the rather restrained progress in the technical specifications, the new processors Ryzen were still able to obtain considerable popularity. Fueled it as favorable price that AMD has set for their new and emerging shortage of competing offers Intel successfully for Ryzen second generation from the end of summer began to rise in price.

Were held in April and another announcement: I added a lineup of desktop processors and Intel. To the already existing overclocking six-core processors, Coffee Lake, the company added 35 – and 65-watt new the acceleration, which turned out to be six-core Core i7 and Core i5, Quad-core Core i3 and dual core Pentium. And I must say that some of these processors managed to attract considerable attention, at least until until all their appeal did not spoil the shortage and increased prices. Users willingly chose for their systems Junior Junior six-core and Quad-Core Core i5-8400 and Core i3-8100, which at some time could even become the best choice for not too expensive gaming systems. In addition, Intel has updated and sets of system logic, suggesting that for these processors cheap chipsets with innate support for USB 3.1 Gen2 and CNVi interface, providing a simple implementation of a WiFi controller on the motherboard.

At the same time with desktop processors, the microprocessor giant has introduced a large group of chips Coffee Lake for mobile systems, made shestiyaderny available including and laptops. Other models were also options vPro, productive integrated graphics Iris Plus, for the first time a mobile processor, class Core i9. However, in this case it is about eight computing cores is not. The first bearer of a new brand in the mobile segment has become the Core i9-8950HK – 45-watt six-core mobile processor with high clock speeds and an unlocked multiplier.

First, in 2018, the strengthening of the lineup of desktop processors Intel occurred in June, when the company introduced the Core i7-8086K – anniversary chip, the output of which is formally dedicated to the 40th anniversary of the Intel 8086, the first incarnations of the x86 architecture in silicon. However, despite all expectations, Core i7-8086K was not so interesting on the background already available on the market flagship six-core Core i7-8700K. The anniversary processor was only able to boast the achievement of a frequency of 5.0 GHz in turbo mode, but have not received any additional cores or improved internal thermal interface.

But this does not mean that the summer has not been any really noteworthy announcements. Just assumed they are not from Intel, and from AMD, which in August introduced the second generation Ryzen Threadripper. After the usual Ryzen they moved on microarchitecture Zen+, but more importantly, AMD decided to increase in your family HEDT offers the maximum number of cores from 16 to 32. Thanks to this AMD was able to seize the leadership of Intel in the maximum number of cores processors HEDT systems. And this time this advantage was completely overwhelming, and wait for the Intel processors of this class with a comparable number of cores now I don’t have to.

However, seniors Ryzen Threadripper second generation with 24 and 32 cores were very unique processors. Due to the fact that they are built on four crystals Zeppelin, the access to the RAM of which have only two crystals, these processors turned out to be strong only in the render tasks that do not require large amounts of information. In addition, such heterogeneous structure of the processor was not ready and the Windows operating system, the dispatcher which distributes threads across the cores Ryzen Threadripper not the most optimal way. As a result, being very interesting and attractive product on paper, senior Ryzen Threadripper turned out to be niche products with a very narrow sphere of applicability. What can be said about the 16-core Ryzen Threadripper 2950X – this product is really liked many professionals who appreciated offer them the best combination of cores and cost.

Similarly, offering a great combination of price and performance, AMD has made in the segment of budget solutions, budget releasing Socket AM4-APU processor Athlon 200GE. Presenting a somewhat abridged version of Raven Ridge, Athlon 200GE could boast of two cores Zen with the multithreading support in the graphics subsystem Radeon Vega 3, attractive price of $55. Opened later the same overclocking Athlon 200GE made a very interesting choice for budget builds.

At the end of summer came the announcement and new mobile processors from Intel, Whiskey Lake and Amber Lake U-Y. However, despite the use for naming their new code names, in this case we are talking only about the new Quad-core and dual-core versions of the mobile Kaby Lake with the target heat dissipation of 15 watts and 5 to 7 watts.

Real big announcements Intel we waited until October, when the market came processors Coffee Lake Refresh. Although Intel once again is not suggested for micro-improvements, continuing to exploit the design Skylake, the new processors got up to 8 computing cores and improved thermal interface between the chip and the heat-spreading lid, based on Bashlykova solder. Most surprising in this announcement, of course, was the fact that Intel doubled the number of computational cores in their senior mass offerings for literally two years.

Together with the OCTA core and shestnadcatiletnim processor Core i9-9900K was also presented and the Intel Core i7-9700K and Core i5-9600K, who redefined the basic characteristics of the representatives of the processor Intel average. As a result, Core i7 –now eight-core processors without Hyper-Threading, while Core i5 – shestiyaderny without Hyper-Threading. And this means that the technology of Hyper-threading from Intel are now gone from the main mass consumer proposals, remaining only in the flagship product for the ecosystem LGA 1151v2 and class HEDT processors.

Incidentally, simultaneously with the submission of the Coffee Lake Refresh Intel has updated and processors for high-performance workstations. But the new Skylake-X, in contrast to Coffee Lake Refresh of the increasing number of compute cores has been proposed, and senior LGA 2066-Intel Core i9-9980XE remained 18-nuclear. But according to the solder instead of thermal paste under the heat-spreading lid, the younger members of the family grew the capacity of the cache memory of the third level, and additionally, Intel no longer limit the number of lines available PCI Express processor value below $1000. In addition, by the amount of approximately from 5 to 15 % increased and the clock frequency.

At the same time held another preview: microprocessor giant has prepared aimed at workstations Xeon processor status W-3175X with 28 cores. Nominal characteristics of such a monster promise clock speed at 3.1 GHz, the peak frequency in turbo mode to 4.3 GHz and beyond reasonable dissipation typical 255 watts. Of course, in the framework of existing platforms, the performance of this processor is provided, it could not be, for he was offered a special socket LGA 3647, the appearance of which means the need for new motherboards. Currently, it is known that supported the initiative of Intel ASUS and Gigabyte, but as of today no circuit boards or processors Xeon W-3175X on sale. So we can’t even guess how many will have to pay for the possession of such a miracle of engineering.

#Conclusion: what to expect now

Apparently, no breakthroughs and high-profile announcements in the first half of this year on the processor market is expected. And AMD and Intel are already described in sufficient detail its plans and according to available data, processors with new designs start coming out closer to fall, when will start a new round of competition.

In the first half of the year can only be expected the advent of the AMD Picasso desktop – improved variants Ryzen with integrated graphics, transferred to 12-nm process technology. However, judging by what the data processor design has been presented for the mobile market, much innovation should not wait. It will be exactly the same Ryzen Quad-core graphics Vega, which is available now, just with increased clock frequencies.

Real innovation from AMD will have to wait until the third quarter, when the company plans to introduce its processors Ryzen third generation, built on microarchitecture Zen 2 and produced by a totally new CPU for 7-nm process. They can wait for a really large-scale improvements. Future microarchitecture involves the increase in IPC due to the optimizations of design and, most importantly, the extension to 256-bit block floating-point operations. The new technological process will allow to increase clock frequency. And besides, Ryzen third-generation AMD is going to resort to a modular design, in which the processor will be composed of several semiconductor crystals – chipsetov, which gives the manufacturer the possibility of a relatively simple to increase the number of cores. Therefore, it is possible that the efforts of AMD in 2019 we will be able to witness another breakthrough in the further development of multithreading when the mass processors for desktop systems will be able to offer consumers more than eight cores.

Answer whether it is a symmetrical step, Intel is not yet clear. But it is known that microprocessor giant is working on a seriously advanced microarchitecture Sunny Cove, which would become the basis of a mass processor company by the end of this year. Processors Ice Lake, which will be used for Sunny Cove, are expected to be produced at 10-nanometer process technology, which will allow you to place in the processor chip increased the number of cores. But while Intel focuses on micro-improvements, which should give an increase in IPC of up to 20 %. The promised extension of the cache memory and increasing the capacity of all the Executive pipeline, which should provide an impetus to accelerate the work of individual cores. If Intel adds desktop Ice Lake more cores, the result can be very interesting.

In other words, to be bored in 2019, we clearly don’t have. The competition between AMD and Intel will only be exacerbated, and both companies will probably continue to take a somewhat different approaches. While AMD is betting on the number of cores, Intel is struggling to increase the specific performance of individual cores. Some of the ways to increase productivity will be a more advantageous strategy for the desktop market, we will see in the relatively near future.

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What cooling to choose when using 8-core Intel processors. Find out on the example of the ASRock Z390 Phantom Gaming 6

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It would seem that everything is obvious: if you’re buying 8-core Coffee Lake Refresh, then the motherboard will select the appropriate level. However, the Intel Core i7-9700K and Core i9-9900K introduced Taiwanese manufacturers into a stupor. Test laboratory 3DNews over the past couple of months and have looked at several motherboards based on the chipset Z390 Express, and only to MSI MEG Z390 GODLIKE we have had no claims, if it is the Converter power and heat during heavy workloads. Other devices cost from 14 to 25 thousand rubles ( ASUS ROG STRIX Z390-E GAMING, MSI MEG Z390 ACE, Z390 GIGABYTE AORUS PRO) if you use a liquid cooling system sufficiently strongly heated, especially in overclocking. And now Core i9-9900K not overclock, do not use “dropsy” and to take only the most expensive “vundervafli”? Let’s answer these questions by testing another cost of Middle-end class- ASRock Z390 Phantom Gaming 6.

ASRock Z390 Phantom Gaming 6

ASRock Z390 Phantom Gaming 6

#Specifications and packaging

Phantom Gaming, as you know, is a new series of ASRock motherboards. Model Z390 Phantom Gaming 6 belong to the middle class. In selling you will encounter a version with the numbers “9” and “4” and mini-ITX-the variation called Z390 Phantom Gaming-ITX/ac and the successor of the budget series Killer SLI — Z390 Phantom Gaming SLI. In my opinion, with the device names from ASRock came all too confusing. Basic specifications of the ASRock Z390 Phantom Gaming 6 is given in the table below.

ASRock Z390 Phantom Gaming 6
Supported processors Intel 9-th and 8-th generations (Core, Pentium and Celeron Gold) for LGA1151 platform-v2
Chipset Intel Z390 Express
Memory subsystem 4 × DIMM slots, up to 64 GB of DDR4-2133-4300 (OC)
Expansion slots 3 × PCI Express x16
3 × PCI Express x1
The storage interface 1 × M. 2 (Socket 3, 2242/2260/2280), support a SATA 6GB/s and PCI Express x4
1 × M. 2 (Socket 3, 2242/2260/2280/22110) with support for PCI Express x4
6 × SATA 6GB/s
RAID 0, 1, 10
LAN Intel I219V, 10/100/1000 Mbps
Realtek Dragon RTL8125AG, 2500 Mbit/s
Audio ALC1220 Realtek 7.1 HD
Interfaces on the rear panel 1 × HDMI
1 × DisplayPort
1 × D-Sub
2 × RJ-45
1 × optical S/PDIF
1 × USB 3.1 Gen2 Type A
1 × USB 3.1 Gen2 Type C
4 × USB 3.1 Gen1 Type A
5 × 3.5 mm audio
Form factor ATX
Price 15 500 rubles

The device is Packed in a small but colorful cardboard box. In addition to the cost, it was not a lot of accessories:

  • user guide, card Phantom Gaming, and optical media with software and drivers;
  • the cover on the rear panel of the housing;
  • four SATA cable;
  • three screw to secure the SSD;
  • HB SLI-bridge to connect two graphics cards.

In principle, almost everything you need to build a gaming PC in a box has been found. I would only like to see additional connection cables for RGB devices. Yet now, wherever you look — will definitely come across the “piece of tin” with light.

#Design and capabilities

Agree, it would be strange if the device-level Z390 Phantom Gaming 6 collected on the basis of a stripped-down PCB. No, in product design, ASRock uses full-size (305 x 244 mm), printed circuit Board, and this fact can not but rejoice.

As always, let’s talk about the pros and cons of wiring the main components of the device. ASRock Z390 Phantom Gaming 6 has six expansion slots. The ones closest to the CPU socket turned out to be PCI Express x1, and then comes the main PEG port which will be installed graphics card. On the one hand, everything is done right — no matter what CPU cooler you have installed, it will not collide with a 3D accelerator. At the same time, PCI Express x1 is close enough to the socket. If you use too large supercooler (for example, its Archon), then this port will not work to install a discrete device is longer than 100 mm. by the Way, all PCI Express x1 slots on the Board do not have latches.

Three PCI Express x16 is reinforced. According to the manufacturer, this metal sheath not only increases the connectors are, but also protects the contacts from electromagnetic interference. In this work the ports according to the scheme x8+x8+x4 mode for PCI Express 3.0. Of course, supports AMD CrossFire and NVIDIA SLI. All three PCI Express x16 slots are well removed from each other — you can safely install a graphics card with translatewiki coolers.

Moving on. On-Board soldered five 4-pin connectors for fans connection. In General, their location I would characterize as successful, but I am confused by their number. I would like to see the fees for 15 000 at least seven such connectors. Still buying ASRock Z390 Phantom Gaming 6 involves building a very powerful gaming system unit. In this PC can be used two – and three-piece “dropsy”, and the case with three or four (or more) fans. So be careful about buying all the necessary adapters or controllers required.

Note that the connector for CPU cooler supports CPU power up to 12 watts (1 amp). Connectors CPU/Water Pump and Chassis Fan/Water Pump Fan support 24-watt impeller and pump. Unfortunately, this model is not able to control the fan speed without PWM.


Sure, when you look at “six” immediately struck by the presence of three M. 2 ports. One of them is equipped with aluminum radiator. The main port is soldered between the CPU socket and PCI Express x16 slot, additional cooling is not. Apparently, the manufacturer decided that it is installed in the SSD so bad to be blown by a fan and CPU cooler. But the second SSD in the array using CrossFire/SLI with a video card he obviously not be good. This storage device will not prevent further cooling.

The upper socket (M2_1) allows you to install SSD 2242/2260/2280 formats, supports SATA 6 Gbps and PCI Express 3.0 x4. The lower M. 2 slot (M2_2), supports the installation of SSD formats 2242/2260/2280/22110, it also summed up the four lines PCI Express 3.0, and it can also operate in SATA mode. If you use M2_1 entries ports SATA3_0 and SATA3_1. If you use M2_2, turns off SATA3_4 and SATA3_5. Middle M. 2 connector with the key “E” is for installing Wi-Fi module, which in itself looks quite punning. We know that the Z390 Express chipset has native support of the wireless controller communication Intel Wireless-AC 9560.

Pads eight SATA 6 GB/s soldered in the usual ATX boards. A pair of such ports is implemented by the controller ASMedia ASM1061.

To be honest, I don’t really like it when internal ports USB 3.1 Gen1 soldered on the PCB of the motherboard, as is done in ASRock Z390 Phantom Gaming 6. You know very well that hull with blue wire connectors — very hard. During Assembly they form a large and conspicuous loop, and this affects the appearance of the system unit, especially if you use a case with a window instead of the side wall. But this is all nitpicking, nothing more. Why internal connector USB 3.1 was the first version? Some saving “on matches” turned out, honestly.

In the bottom of the Board there are pads for connecting the front panel audio connector, 12 – and 5-volt RGB strip, TPM-module, COM and two USB 2.0. One of the connectors for the backlight can be placed on top of — corps are different, for example, here such.

Continuing the theme of illumination, I note that the Board itself is equipped with RGB elements in the area of the chipset, the sound path and the plastic casing called I/O Armor.

As for the interfaces are soldered on the input panel, then I note the presence of two ports USB 3.1 Gen2, which are now implemented through the chipset. One of them is C-type. Among the video outputs are HDMI 1.4, DisplayPort 1.2, and (for some reason) D-Sub.

Wired network connectivity is provided by Intel I219-V and Realtek Dragon RTL8125AG. With the first chip we are familiar with, because it is being used in a large number of motherboards middle and high price levels. Controller Realtek Dragon RTL8125AG meets the requirements of standard IEEE 802.3 bz and is able to provide bandwidth at 2.5 GB/s. unfortunately, to test this I have not been able to.

For sound ASRock in Z390 Phantom Gaming 6 answers Realtek ALC1220. Traditionally, expensive boards in the composition of the audio included high-quality Nichicon capacitors and operational amplifier NE5532. The audio chip is shielded, and all elements of the sound system is separated from the other components of the PCB strip, which does not conduct current. Plus the left and right channels are separated by different layers of the PCB.

Not to mention the presence on the Board of the post indicator lamps and keys on and reboot the system. I last spent 10 years next to the outdoor test stand, such “trimmings” very useful.


The power of the CPU is provided by two connectors — 8 – and 4-pin. Don’t forget that power supply with this cable set do not occur very often, and basically we are talking about powerful devices — watts on the 700 and more. However, extra food processor is necessary in extreme cases.

On the official website of ASRock Z390 Phantom Gaming 6 is attributed to 12 phases for the CPU, because marketers Taiwanese company something should get his salary. The basis of VRM subsystem is 8-channel PWM controller uPI Semiconductor uP9521P. It turns out, the real diagram of the power Converter looks like a 5+2 because the structure of each channel allocated to the stabilization of the CPU consists of two inductors and two field-effect transistor Sinopower SM7341EH and driver uPI Semiconductor uP1965P (on the reverse side of the PCB is soldered in five pieces). The remaining two phases formed by four transistor assemblies Sinopower SM3308N, two ferrite coils and a pair of drivers from uPI Semiconductor uP1962S.

On paper and on photo the Converter power supply ASRock Z390 Phantom Gaming 6 looks impressive. Besides “ranzuki” are cooled by a fairly large aluminum heat sinks that are copper deplorable. But how efficiently the power subsystem will work together with Core i9-9900K? I will tell you that the second part of the article.


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AMD Ryzen Threadripper 2920X whether to take 12-core AMD instead of a Core i9-9900К?

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When the summer of 2017 AMD has released its first processors Threadripper, many took it as a revolution in the market HEDT (high-end desktop systems). Indeed, offers Intel for enthusiast high performance for a long time did not undergo significant progress. An increase in the number of compute cores was very slow, processors kept the high price and also often had limitations on the number available for use by PCI Express. Ryzen Threadripper steel in these circumstances a breath of fresh air: they all previously adopted rules were swept aside. While Intel was getting ready to release a 10-core chip with 44 lines PCI Express, senior AMD Ryzen Threadripper for the new HEDT platform immediately offered to enthusiasts 16 cores Zen and 60 PCI Express at a price of only one thousand dollars.

And that decision worked out perfectly, despite all the shortcomings of micro-Zen. No one will argue with the fact that the specific performance per core of AMD is obviously worse than the Intel Core. But professional users still perceived multi-core AMD processors with great enthusiasm as the challenges they face to their activities, usually suggesting the possibility of efficient parallelization. The first 16-core processor family Ryzen Threadripper, 1950X, was able to gain much popularity among the digital content creators. Now, a year later, AMD decided to radically increase its offer and launched the second generation of Threadripper, which included even more impressive monster – 32-nuclear Ryzen Threadripper 2990WX. However, fresh Ryzen Threadripper the second generation had at its disposal not only the increased number of cores, but a newer design Zen+, involving the use of modern 12-nm production technology, improved performance and higher clock frequency.

However, not Ryzen Threadripper 2990WX is the main character of this material. Family Ryzen Threadripper is not from one model, and the interest in this can represent not only the older version with the maximum number of compute cores. For example, the first generation Threadripper in which the processor was built on two eight crystals Zeppelin, consisted of three processors from 8, 12 and 16 cores. In the second generation the number of crystals in the structure of the processors has doubled, now there are four, and this gave the opportunity to release a 24 – and 32-nuclear Threadripper. At the same time updated the family survived and the processors of the two crystals, which provide 12 or 16 cores. In the end, the full family Ryzen Threadripper the second generation consists of four models, the lineup grew to include seven different HEDT processors.

  Cores/ Threads Base frequency, GHz Max. frequency, GHz L3 cache MB Memory support Lines PCIe TDP, watts Price
Threadripper 2990WX 32/64 3,0 4,2 64 4 × DDR4-2933 60 250 $1799
Threadripper 2970WX 24/48 3,0 4,2 64 4 × DDR4-2933 60 250 $1299
Threadripper 2950X 16/32 3,5 4,4 32 4 × DDR4-2933 60 180 $899
Threadripper 2920X 12/24 3,5 4,3 32 4 × DDR4-2933 60 180 $649
Threadripper 1950X 16/32 3,4 4,0 32 4 × DDR4-2667 60 180 $779
Threadripper 1920X 12/24 3,5 4,0 32 4 × DDR4-2667 60 180 $485
Threadripper 1900X 8/16 3,8 4,0 16 4 × DDR4-2667 60 180 $319

Processors Ryzen Threadripper the second generation with 16 and 32 cores available for sale from August and on our website you can find a separate dedicated review. But to date, the list of available to buy Ryzen Threadripper second generation finally, was supplemented by a 12-core model 2920X and 24-core processor 2970WX. Among these processors in the first place, our attention was attracted by a younger model.

The fact that the 12-core Ryzen Threadripper 2920X has a relatively low official price of $649. And this means that the CPU do not necessarily need to be regarded as relatively affordable, but still expensive HEDT model. From the position of prices it is quite possible to oppose and mass solutions — for example, enterostomy LGA1151v2 the flagship Core i9-9900K. The recommended price of the senior mass osmeteria Intel installed for $488, but to buy at this price. Due to the current market situation, when the availability of Intel CPU are very limited, the real price of the Core i9-9900K starting from $570, and it allows us to talk about Ryzen Threadripper 2920X as his opponent without much exaggeration.

In other words, in this article we will try to assess how Ryzen Threadripper 2920X may be of interest as the basis for normal desktop top price category. It may be that the youngest Ryzen Threadripper second generation, not the Core i9-9900K is worth recommending for those users who want to swing for the maximum or extreme build.

#Family Threadripper 2: the basics

Although we plan to oppose the 12-core Ryzen Threadripper massive improvement osmeteria, we should start with a reminder that ideologically 2920X as any other processor of this family, cannot be considered a simple improved Ryzen. The AMD approach to the creation of Threadripper was to adapt the EPYC server processors for desktop systems, so the processors have received some operational features which in certain circumstances can become a problem.

Processors EPYC is monstrous not only in performance but also in size to 4096 CPU pin socket, constructed using four hidden under the CPU cover eight crystals Zeppelin. Each of these crystals has its own dual channel memory controller and PCI Express controller on the line 32, and the sum of all that agriculture provides up to 32 cores up to 64 threads up to 128 PCI Express and up to eight memory channels.

With the release of the first generation Threadripper AMD decided not to give into the hands of enthusiasts all the capabilities available in server configurations. The initial opportunity was halved: users desktop got only two working crystal Zeppelin, that is up to 16 cores, Quad channel memory and 64 PCI Express, four of which were reserved for communication with the chipset. However, in the new generation Threadripper 2 of EPYC back: models 2970WX and 2990WX were built using four crystals Zeppelin. Do not add memory channels or lines PCI Express, which were originally cut at the platform level, but has allowed AMD to increase the number of compute cores, bringing the number up to 32 pieces in the older model.

At the same time in processors Threadripper 2920X and 2950X all have remained the same. They continue to build on a couple of crystals Zeppelin — the only difference is that now it is the improved silicon, which is produced by the 12-nm technology and has a microarchitecture Zen+. Due to this, even those Threadripper 2 that do not have extra cores, got a bit increased increased IPC (number of instructions cycles) and increased clock frequency. The increase in specific productivity is achieved through optimization of the cache memory. Zen+ the latency of L1-cache is reduced by approximately 8 %, the latency L2-cache – 9% and the latency L3 cache – 15 %. Using the same advanced 12-nm process technology GlobalFoundries (12LP) allows ceteris paribus to reduce the supply voltage of 80-120 mV, which in the end provides about 200-megahertz frequency extension capability.

Despite the fact that the processors Threadripper 2920X and 2950X against their older counterparts 2970WX and 2990WX look not so impressive, they have obvious advantage. The fact that, due to the design of the platform Threadripper, the older processors with 24 cores and 32 receive crystals Zeppelin two types: those that have their own memory controller, and those that don’t have it. Therefore, the memory access is uneven and half of the cores to work with the data forced to go through additional intermediaries in the face of neighboring crystals. This leads to a significant growth delay in loading this diversity of cases is fatal, leading to performance degradation. With processors Threadripper 2, constructed of two crystals, such a problem does not exist.

When we tested Threadripper 2990WX and 2950X, all of this was fully apparent. While the 16-core 2950X always worked better than its predecessor, 1950X, due to higher frequency and some improvements in microarchitecture, 2990WX was very capricious thing. In applications that are well rasparallelivanija and do not require accesses to large amounts of data, a 32-nuclear Threadripper 2 looked like “king of beasts”, inaccessible to any other chip. However, where the algorithms are tied to the memory, Threadripper 2990WX could significantly lose performance 16-core Threadripper 2950X. In other words, the older 32-core model can only be considered as a niche solution for rendering and nothing more. With younger modifications 2920X and 2950X no such problems there, they are versatile and perfectly suited for a wide range of tasks.

Speaking specifically about the main character of this review, Ryzen Threadripper 2920X, he, unlike 2950X, even more simple processor with 12, not 16 cores. It is based, as in the 16-core Threadripper 2950X used two 12-nm crystal Zeppelin. The only difference is that 2920X in each of these crystals is blocked by two cores, one in each block CCX (CPU Complex). And this organization has its pros and cons. On the one hand, the load generating higher number of threads will require more active treatment to relations between crystals which strong place in design Threadripper be considered as definitely not. But on the other cores have at their disposal more than Threadripper 2950X, volume cache of the third level and are better able to accelerate in frequency due to the technology of avtoradgona.

#Threadripper 2920X in detail

Overall Threadripper 2920X can be considered a simple update of last year’s Threadripper 1920X with better performance. The increase is mainly the increased frequencies. Although the nameplate base frequency for a of 3.5-GHz level, the maximum frequency in turbo mode is now declared at 4.3 GHz instead of 4.0 GHz.

It should be borne in mind that the performance increase will be supported with improved technology, Precision Boost 2 (PB2), which finely adjusts the operating frequency to the parameters of the loading and current power and Extended Frequency Range 2 (XFR2), further increasing the frequency of the processor in a favorable temperature mode. The result provided a high quality cooling Threadripper 2920X managed to keep the real frequency above 3.8 GHz at boot up to 12 cores.

This is clearly illustrated in the following graph, where the documented behavior Threadripper 2920X in the nominal mode when rendering in Blender using different numbers of cores.

As shown, the Threadripper 2920X works on the average on 300 MHz frequency frequency in comparison with the predecessor of the last generation, Threadripper 1920X.

The processor power is limited to specified in the specification, the TDP of 180 watts. Frequency Threadripper 2920X adjusted so that does not exceed the established specification limits.

The difference of the frequencies of the 12-core Threadripper first and second generation allows a high degree of reliability to estimate the level of performance that can provide a 12-core new product, because it is directly related to frequency. Micro-improvement in Zen+ minor and no changes in the design and implementation of mikrotechnik interactions in Threadripper 2920X no. This processor is based on two crystals Zeppelin with six active cores, dual channel memory controller and PCI Express controller 32 lines each. The connection between the crystals is realized through Infinity Fabric with a bandwidth of 50 GB/s (when operating mode memory DDR4-3200). In other words, the internal structure Threadripper 2920X identical to the structure of 1920X.

As before, the internal topology of double-crystal Threadripper 2920X allows to use system memory UMA and NUMA modes. Mode, the default, performs UMA when the memory that is physically connected to two different crystals, collected in a single domain, which is a four-channel access. It is this balanced configuration provides the best performance in most cases.

Режим UMA (Distributed)

Mode UMA (Distributed)

However, the utility Ryzen Master users can switch to the NUMA mode, when each of the crystals runs in dual channel mode memory. In the case when the load is low-flow in nature and all active processes that belong to the same application, you can assemble within the framework of the six-core NUMA node, it reflects the latency.

Режим NUMA (Local)

Mode NUMA (Local)

#Acceleration and Precision Boost Override

Since we decided to oppose Threadripper 2920X typical desktop processor, the Core i9-9900K, subject acceleration it is impossible to ignore. Typically, the processors of class Ryzen Threadripper not differ noticeable undisclosed frequency potential. For example, 16-core Threadripper 2950X in our laboratory was able to overcome a mark of 4.1 GHz, but no more. With Threadripper 2920X the situation was similar, except that 12-core CPU managed to overclock a little better – to 4.15 GHz.

This dispersal required an increase in voltage to 1.35 V and enable Load-Line Calibration. When testing stability with Prime95 29.4 the CPU temperature did not exceed 82 degrees, and the maximum CPU power consumption was 240 watts. However, no problems with stable operation of the computer did not arise, good for heat dissipation we used a liquid cooling system MSI motherboard MSI 240 TR4 with a special waterblock that completely covers the surface Threadripper.

Speaking on the topic of overclocking, not to mention about another opportunity – function Precision Boost Override, which appeared in all processors Ryzen second generation, including new Threadripper. It can realize intelligent overclocking CPU to a fixed frequency, and dynamically so that the frequency is automatically adjusted to the current load in the process.

The point is that AMD implemented turbo mode, which is controlled by the Precision Boost technology 2, does not work by a simple formula that matches the frequency and the number of loaded cores, and relies on quite different parameters. Operating frequency is determined based on the current consumption and calculated heat dissipation, which allows you to manage performance is much more subtle.

The Boost Override function of Precision in turn allows you to change the pre-programmed standard limits for electric and thermal characteristics of the CPU. Raising them, the user can increase the aggressiveness of the turbo, allowing the processor adjusting its own frequency to take the high levels as with a weak and under multithreaded load. Such acceleration in many cases more interesting than just setting a fixed frequency, because when you use Precision Boost Override processor continues to interactively adapt the frequency under load, but makes it much bolder than in the nominal condition.

AMD said that with the installation of the CPU powerful enough cooling system performance through Precision Boost Override can be raised by about 13 percent. In other words, this acceleration is a (or even the best) analogue antalovsky the function of Multi-Core Enhancements, which, sacrificing the efficiency, also displays the CPU beyond the rated regime. And there all done so that not to create problems with the stability of the system. The user only need to accept the fact that in the name of higher performance will have to sacrifice heat and power consumption.

Strictly speaking, to configure a Precision Boost Override the motherboard BIOS or the utility Ryzen Master you need to change three parameters: PPT Limit – the maximum allowable level of heat dissipation of the processor (CPU Package); TDC Limit the maximum current which does not lead to overheating the VRM circuit Board; and EDC Limit – the maximum current that does not cause electrical overload of the VRM Board. However, the majority of motherboard manufacturers offer a simple method of modifying these parameters in one click.

For example, in the BIOS we use to test the motherboard MSI MEG X399 Creation option Precision Boost Override allows you to raise the bar allowed power consumption of the processor 300, 400 or 500 watts in one fell swoop.

For the experiment, we chose the maximum option — 500 watt, and it really increased the working frequencies of the CPU by 200-300 MHz without any damage to the stability of the system. The profile of the frequency is illustrated in the following graph, which displays the behavior Threadripper 2920X when rendering in Blender using different numbers of cores.

As you can see, activate, Boost Precision Override is allowed to transfer the operating frequencies of the test Threadripper 2920X in the range of 4.0-4.3 GHz. The most significant increase in frequency occurred in the modes with high CPU load, but at low-flow loads the processor has not lost its ability to avtoradgona. Therefore, Precision Boost Override can indeed be a better option than a simple overclock of 4.15 GHz to fixed. Especially in this case, the processor not only receives the higher rate during low-flow load, but retains the ability to fold it together with the voltage in idle moments.

Incidentally, this mode proved to be more economical overall. As can be seen from the measurement results, the power consumption of the processor when testing in Blender increased in comparison with the performance in nominal mode is not stronger than 10-15 %.

Although AMD considers Precision Boost Override a variety of acceleration and does not provide in respect of this mode are no guarantees, we are pretty sure that most owners Threadripper the second generation will want to provide them a free additional boost to performance. And deter, we will not: Precision Boost Override does not violate the stability of the system and works in such a way that the CPU temperature stays within acceptable limits. Therefore, there is no reason not to take advantage of this opportunity, especially in the case of a 12-core Threadripper 2920X, which are unlikely to overload the power system on the motherboard.


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