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The Intel Core i5-9600K: shestiyadernik of osmeteria of shestiyadernik

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Coming to the CPU market Intel Refresh Coffee Lake has become a landmark event. Still, with the advent of processors with eight cores completely stuck in the role of standard option for the productive desktop, leaving no space in this niche for chips past generations with six or four cores. So it is not surprising that the new osmeterium we try to pay as much attention they really deserve. And at the moment we have published three expanded material about eight Coffee Lake Refresh, which is strongly recommended reading:

However, Coffee Lake Refresh is not only fosmidomycin. It is an absolutely full-fledged processor family, which in the relatively near term will stretch across all market segments, starting from the top, which is now home to the processors with eight cores, and ending with the budget, which are intended for Quad core or even dual core CPU. The massive expansion of the habitat Coffee Lake Refresh is expected by the end of the first quarter of next year, when Intel will finally be able to more or less cope with all your production problems, but now such processors to identify with only one osmeterium impossible.

The fact that the family of Coffee Lake Refresh Core models thousandth of the series, in its present form includes three members of which have eight cores, only two. Along with the OCTA-core Core i9 shestnadcatiletnim-9900K and OCTA core, but devoid of support Hyper-Threading Core i7-9700K, microprocessor giant was released also six-core processor Core i5-9600K. At first glance it looks like the long-available Core i5-8600K. However, it is a full analogue of the he did not is because Core i5-9600K using the same semiconductor base, as in the eight-core Core i9-9900K and Core i7-9700K. That is, Core i5-9600K is a six-core processor built on eight-semiconductor crystal Lake Coffee Refresh with a couple of deactivated cores.

To understand the causes of Core i5-9600K one company with Core i9-9900K and Core i7-9700K not so difficult. No matter how perfected to the present time the 14-nm process technology, Intel is still in need of implementation of the chips defective in the production of senior Coffee Lake Refresh. Semiconductor crystals eight cores have an area of about 174 mm2, and the appearance defective chips in the defective individual cores or partly failure of the cache memory when it is inevitable. The existence of Core i5-9600K lets not write them off to the scrap and to use efficiently – in a processor with reduced a quarter the number of cores.

Technological affinity is a Core i5-9600K with eight-core Core i9-9900K and Core i7-9700K, not Core i5-8600K something even plays into the hands of users. Use to release a six-core derivative of the Coffee Lake Refresh the approaches and processes of making Core i5-9600K unique offer – shestiyadernik with solder under the CPU lid. And this means that the Core i5-9600K may be much more interesting to overclock than the Core i5-8600K, where internal is polymer thermal interface thermal grease with a fairly mediocre thermal conductivity. In other words, Core i5-9600K better than the Core i5-8600K, at least the fact that it does not need to scalp.

While Core i5-9600K inherited one of the main trumps its predecessor – a relatively affordable price. Officially, the new shestiyadernik valued at $262, that is, it is more expensive than the Core i5-8600K, just four dollars. And what’s more, at a price close to the recommended, it is really possible to buy, in contrast to the same Core i9-9900K and Core i7-9700K, the availability of which sell extremely limited, but real retail prices have nothing to do with the official.

It is not surprising that practical aspects of the operation of such a processor are of genuine interest. After all, Core i5-9600K in the family Coffee Lake seems to Refresh the current reality the most beneficial option in terms of performance and price, since it offers the lowest unit cost of the core. Given all this, we decided to dedicate six-core Core i5-9600K a separate review which will definitely answer the question of how consumer quality of this novelty are correlated with the its predecessor, the Core i5-8600K.

#Core i5-9600K in detail

So, Core i5-9600K is the most affordable desktop processor Intel, built on the design of the Coffee Lake Refresh. He has only six, not eight cores, but he is younger and cheaper OCTA-core sibling in the face of Core i7-9700K — 30% from the point of view of official prices or more than 40%, in terms of real prices.

  Core i9-9900K Core i7-9700K Core i5-9600K
Code name Coffee Lake Refresh Coffee Lake Refresh Coffee Lake Refresh
Production technology 14++ nm 14++ nm 14++ nm
Socket LGA1151v2 LGA1151v2 LGA1151v2
Cores/Threads 8/16 8/8 6/6
Base frequency, GHz 3,6 3,6 3.7 V
Maximum frequency in turbo mode, GHz 5,0 4,9 4,6
L3 cache MB 16 12 9
TDP, watts 95 95 95
Memory support DDR4-2666 DDR4-2666 DDR4-2666
PCI Express 3.0 16 16 16
Graphics core UHD Graphics 630 UHD Graphics 630 UHD Graphics 630
Price (official) $488 $374 $262

Like its relatives, Core i5-9600K is a modern version of intelliscore 14-nm process with the conditional name “++ nm 14” and has an unlocked multiplier, theoretically allowing for easy overclocking. Like all other proposals for the platform LGA1151v2, Core i5-9600K is based on the microarchitecture Coffee Lake and is equipped with integrated graphics core UHD 630 Graphics (GT2).

Despite the fact that according to the model number between the Core i5-9600K and Core i5-8600K an abyss, the processors are quite similar in passport characteristics. The translation series Core i5 design Coffee Lake Refresh Intel did not change any fundamental parameters. Core i5-9600K as Core i5-8600K, remained shestiyadernik without the support of Hyper-Threading with the cache memory of third level rate of 1.5 MB per core (9 MB in total).

At the same time, the diagnostic utility CPU-Z allows you to verify that the basis of the Core i5-9600K on a different semiconductor chip, a new modification of the P0, U0 and not used in processors Coffee Lake last generation, in which the number of compute cores was not more than six.

This means that from the point of view of the internal structure Core i5-9600K – only a distant relative Core i5-8600K. In the new shestiyadernik uses the same OCTA-core semiconductor chip, as in Intel Core i9-9900K and Core i7-9700K, but with the pair locked at the stage of production of cores. And from this follow important conclusions. First, this means that Core i5-9600K present the first hardware package fixes against vulnerabilities Meltdown and L1TF (Foreshadow). Second, the memory controller that the processor is certified to support 128 GB DDR4 SDRAM, which will be set after an upcoming appearance in the sale of a 32-Gigabyte modules.

Notable differences Core i5-9600K Core i5-8600K is in clock frequencies. New shestiyadernik has a 100 MHz higher base frequency and more aggressive turbo mode, allowing it to accelerate to 4.6 GHz with low-flow load vs 4.3 GHz its predecessor. Best clock speed in turbo mode Core i5-9600K promises and under full load on all cores. Set it to 4.3 GHz, while the Core i5-8600K in the same conditions works only on 4.1 GHz.

Fully frequency characteristics of turbo for new and old LGA1151v2 processor collected in a table.

Base frequency, GHz Frequency in turbo mode, GHz
1 core 2 cores 3 core 4 cores 5 cores 6 cores 7 cores 8 cores
Core i9-9900K 3,6 5,0 5,0 4,8 4,8 4,7 4,7 4,7 4,7
Core i7-9700K 3,6 4,9 4,8 4,7 4,7 4,6 4,6 4,6 4,6
Core i7-8700K 3.7 V 4,7 4,6 4,4 4,4 4,3 4,3
Core i7-8086K 4,0 5,0 4,6 4,5 4,4 4,4 4,3
Core i5-9600K 3.7 V 4,6 4,5 4,4 4,4 4,3 4,3
Core i5-8600K 3,6 4,3 4,2 4,2 4,2 4,1 4,1

Speaking of Intel Core i9-9900K and Core i7-9700K, we noted that their operation on the maximum frequency stated for turbo speed, leads to higher heat dissipation and power consumption far beyond the limits of TDP, traditionally installed in a 95 watts. Therefore, the work of fosmidomycin on the frequencies given in the table above, is possible only with active functions of the Multi-Core Enhancements, which abolishes all restrictions on energy consumption, and assuming the use of high-quality motherboards and powerful cooling systems. With Core i5-9600K situation should be easier. In multi-threaded load stress test Prime 95 29.4 (Small FFT with AVX), real consumption Core i5-9600K a quasi-nominal mode with active Multi-Core Enhancements at a frequency of 4.3 GHz is “only” 115 watts. And this means that in a typical common applications, this processor is working at maximum turbocheetah, most likely, 95-watt border will appear.

Core i5-9600K, like other desktop processors generation Coffee Lake Refresh, compatible with any LGA1151v2-motherboards, built with the help of those chipsets with the numbers from the fourth hundreds. In boards based on Intel Z390 new shestiyadernik will work out of the box, and for boards on Intel Z370, H370, B360 and H310 may need a BIOS upgrade.

#Temperature and energy consumption

The Coffee Lake Refresh processors differ from their predecessors not only the increased clock rates and increased (in older versions) number of compute cores. At the Core i9-9900K, Core i7-9700K and Core i5-9600K also changed the internal termoenergetyczny material laid between the semiconductor crystal of the CPU and the CPU cover. In all three models is the polymer thermal paste now use metal solders with much higher conductivity.

The appearance of solder at fosmidomycin – partly as a necessary if not an efficient thermal interface, Core i9-9900K and Core i7-9700K would not be able to take those frequencies that are promised to them turbo because of banal overheating. The same six-core Core i5-9600K got the solder out of inertia, and it is in this processor, the positive impact of thermal interface with high conductivity can be seen more clearly.

To illustrate, we carried out a simple experiment: compare temperatures and energy consumption Core i5-8600K and Core i5-9600K when configuring them on the same frequencies with the same supply voltage. The results are presented below: the tables below show the limit value virtually measured temperature and energy consumption of CPU when checking stability in the stress test Prime95 29.4 (six strand under full load Small FFT AVX c). The cooling of the processors during the test was carried out the same air cooler Noctua NH-U14S.

Core i5-8600K:

Core i5-9600K:

The results allow to make several conclusions in relation to the semiconductor crystal Lake Coffee Refresh and a new internal thermal interface. But first and foremost catches the eye is the fact that, despite the use for the production of processors, Coffee Lake Coffee Lake and Refresh the same process technology 14 nm++, as newer semiconductor crystals has really improved. It is expressed in that the Core i5-9600K is able to take the same frequency as Core i5-8600K, at a lower voltage.

At the same time, the new six-core processor with a design Refresh Coffee Lake shows ceteris paribus the higher power consumption. If you select the same voltage and frequency of the Core i5-9600K consumes 15-25% more power compared to the Core i5-8600K that is obviously due to the increased size and complexity of the underlying semiconductor crystal.

However, increased power consumption and heat generation Core i5-9600K to the growth temperature does not. On the contrary, new shestiyadernik is prone to functioning in a more benign temperature conditions. At equal voltage and frequency of Core i5-9600K is about two to three degrees cooler than its predecessor. But if to compare between a state with roughly the same power consumption and heat dissipation, the advantage of the representative of the family of Coffee Lake Coffee Lake Refresh before they reach the level of 10-15 degrees. That is exactly what manifests the positive impact of the new thermal interface: it allows to cool the CPU crystal is more efficient than before, when Intel used solder, thermal compound and the polymer. And this, in turn, enables Core i5-9600K to work without overheating at a much higher heat dissipation.

In the end, the advantage in temperature entails and the best acceleration. As follows from experimental data, the frequency of the Core i5-9600K manages to raise about 100 MHz higher than Core i5-8600K. However, this advantage can hardly be considered some special success. High heat dissipation Core i5-9600K, originally built on an eight-semiconductor crystal, almost completely negates the entire gain in the temperatures derived from the solder. Overall, therefore, no special overclocking achievements from the new shestiyadernik is not expected. And moreover, it seems that the best results in overclocking you can achieve all the same Core i5-8600K if pre-scalp.

#Acceleration

If you carefully read the preceding section, you probably know that you can count on some epic overclocking Core i5-9600K clearly not worth it. So, the maximum frequency at which our instance of processor was able to work steadily and to undergo stress testing, steel 5.0 GHz. Performance in this mode was achieved when setting the VCORE in the range from 1.25 to 1.28 In with the inclusion of the penultimate level Load-Line Calibration.

As you can see from the above screenshot, more serious overclocking is due to high energy consumption and heat dissipation Core i5-9600K. If you raise the voltage above 1.28 is In, the temperature of the CPU cores goes straight out of bounds, causing the throttle. But if the tension leaving at this level, for frequencies above 5.0 GHz the processor does not pass the test on the stability in the stress test Prime 29.4 (Small FFT with AVX).

Nevertheless, Core i5-9600K accelerates still better than all eight Coffee Lake Refresh that have passed through our hands before. The previously tested Core i9-9900K and Core i7-9700K overclocked reached frequency of about 4.8 GHz, and this allows to conclude that reducing the number of active cores in the Core i5-9600K slightly lowered his dissipation and increased frequency potential. But this is still not enough to Core i5-9600K it would be possible to calculate more advantageous alternative for overclocking Core i5-8600K. The difference within the overclocking of these processors are not as essential, while the classic Coffee, Lake in the reserve there is a hidden reserve: it at desire it is possible to scalp.

In addition, when overclocking Core i5-9600K unusually large attention should be paid to cooling. The dissipation of this processor when overclocking is not less than fosmidomycin, and to remove and dissipate more than 200 watts only the chosen coolers with high efficiency. For example, in the experiments we used the super-cooler Noctua NH-U14S, and rely on the cooling system less efficient, we would not recommend it. Much in overclocking Core i5-9600K depends on the quality of the implementation of the power Converter on the motherboard, which should provide a stable voltage with a significant increase in current. Unfortunately, on the market of motherboards meet this requirement, not all products even the ones that are relatively expensive.

This time we overclocked the processor without lowering the multiplier in the performance of AVX-instructions. However, as in the case with the older Coffee Lake Refresh, setting a negative 200-megagertsevym Delta for CPU frequency when working with AVX instructions would allow to obtain higher performance in applications that do not use vector data. In other words, the frequency of 5.2 GHz when you work exclusively when working with 32 – bit and 64-bit scalar data for Core i5-9600K quite real.

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Review ASUS ROG MAXIMUS GENE XI: Micro-ATX hard boiled

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Our website is one of the few online resources in the Russian segment, which still pays attention to motherboards and has been tested on latest devices all present on our market for the producers. However, by going to the “motherboard” 3DNews, we will see that the last review of the motherboard form factor mATX, which you can use to build a really powerful gaming PC, came out in early 2017. Such payment to and acceleration was all right, and with reliability and functionality. Basically, if we are talking about reviews, in the test lab hosted ATX and mini-ITX solutions are the current trend. Meanwhile, there are Micro-ATX case, which is quite suitable for the solution of the given task — they are well-organized cooling and they are able to accommodate powerful hardware. Thing is, it turns out, for small: need payment — and one of the few options left will be ASUS ROG MAXIMUS GENE XI. About all the pros and cons of the device read in this review.

ASUS ROG MAXIMUS XI GENE

ASUS ROG MAXIMUS GENE XI

#Specifications and packaging

The people series motherboards MAXIMUS GENE long dubbed the “Genicam”. Main features of the 11th version of “Eugene”, supporting processors, Coffee Lake (Refresh) that are listed in the table below.

ASUS ROG MAXIMUS GENE XI
Supported processors Intel 9-th and 8-th generations (Core, Pentium and Celeron Gold) for LGA1151 platform-v2
Chipset Intel Z390 Express
Memory subsystem 2 x DIMM slots, up to 64 GB of DDR4-2133-4700 (OC)
Expansion slots 1 × PCI Express x16
1 × PCI Express x4
The storage interface 2 × M. 2 (Socket 3, 2242/2260/2280) with support for PCI Express x4
1 × DIMM.2 PCI Express x8
4 × 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 × PS/2
1 × HDMI
1 × RJ-45
1 × optical S/PDIF
3 × USB 3.1 Gen2 Type A
1 × USB 3.1 Gen2 Type C
6 × USB 3.1 Gen1 Type A
2 × USB 2.0 Type A
5 × 3.5 mm audio
Form factor mATX
Price 23 000 rubles

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

  • user guide, all kinds of stickers, cardboard stand for the mug, as well as optical media with software and drivers;
  • external antenna for wireless communication module;
  • two custom SATA cable;
  • one extension cable to connect the RGB strip;
  • the additional screws to install the SSD;
  • Q-connector for easy connection of buttons of the housing;
  • ROG DIMM module.2, support the installation of two SSD.
 

#Design and capabilities

ASUS ROG MAXIMUS GENE XI established on the basis of a full form factor mATX, in which each side of the printed circuit Board has a length of 244 mm. We focus on it because the budget segment is common to encounter devices that have an even more reduced printed circuit boards approaching the size rather to the mini-ITX format.

ASUS ROG MAXIMUS XI GENE

ASUS ROG MAXIMUS GENE XI

ASUS ROG MAXIMUS XI GENE

ASUS ROG MAXIMUS GENE XI

Theoretically any Board form factor mATX allows you to unsolder the four expansion slots (compared to seven connectors from standard ATX). However, ASUS ROG MAXIMUS GENE XI includes just two ports, one of which — PEG, aka PCI Express x16 3.0. This connector is further reinforced. A makeshift 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. Given the fact that “Jack” can realistically become the basis for a bench-bench, this strengthening PEG port clearly will not be superfluous, because sometimes a day has to switch the graphics card by 10 times and more.

Near to the CPU socket is a PCI Express x4 slot is four lines from the chipset, corresponding to the standard 3.0. The connector has no latch, so it can be set to anything — even video card. However, technologies like AMD CrossFire and NVIDIA SLI, consider the card does not support, so put here the graphics card makes no sense.

What PCI Express x4 wired, so to speak, the first is good. This fact, on the one hand, means that we can use in the system of a huge supercooler. So, no its Archon or Noctua NH-D15 does not overlap the main PEG port (as, however, and PCI Express x4).

Achilles ‘ heel ASUS ROG MAXIMUS GENE XI is considered close proximity of the two DIMM sockets to the CPU socket LGA1151-v2. The distance from the center of the socket until the first slot is only (!) 45 mm. This means that most tower coolers will block the DIMM ports required for installation of RAM. The Board supports the installation of ultra-fast modules of standard DDR4, which means that the system can use sets of RAM with extra large heat sinks, which moreover do not get along with supernumerary.

It is obvious that ASUS ROG MAXIMUS GENE XI “adapted” to the use of maintenance-free liquid cooling system, but here we catch the problems. So, the new “dropsy” NZXT Kraken X62, used in the stand also blocked the DIMM slots — because pipe and fittings this WITH the right. In the end had to deploy the new “Kraken” at 90 degrees, and this, dear readers, is the farm, because “water” has a lighted logo that implies a definite location (although the backlight can be disabled in the cooling device). So here you need a responsible approach to the selection of water cooling. For example, AMD A80 you have such problems will not arise.

By the way, the number of DIMM slots, I have no complaints. ASUS ROG MAXIMUS GENE XI is a device that will be used along with pricey components, therefore with very high probability the system will install the dual channel kit 32 GB. Install — and forget about the lack of RAM the next many years.

The DIMM slots are soldered so close to the CPU socket because of the attempts of engineers to ASUS to cram followed by another three connectors. Immediately behind the ports under the RAM are two M. 2 slots — they have a combined metal cap, which plays simultaneously the role of passive cooling. And behind them — DIMM connector.2 to install a special expansion card that is firmly entrenched in the top motherboards MAXIMUS series. Read more about it below.

M. 2 ports can install two SSD form factors 2242, 2260 and 2280 — each connector will only work in PCI Express 3.0 x4 (lines — chipset). They are covered with a large aluminum heatsink. He was, incidentally, can be removed only if the slot PCI Express x16 graphics card is not installed. To do this, Unscrew the two screws.

Hindsight, as you know, we are all strong. If I were the engineer at ASUS, the DIMM slots are pushed to the place under M. 2 drives, and the slots for the SSD ROG MAXIMUS GENE XI divided: one mounted above the PCI Express x4 or right of it, redoing chipsety radiator and moving the slot for the batteries; the second M. 2 would make vertical. Actually, the way it is implemented, for example, in ASUS Prime X299-Deluxe. Yes, that would be not so beautiful, but, in my opinion, more practical.

And still on the Board illuminated the entire right side and a large icon with the ROG on the plastic plug I/O panel. Also ASUS ROG MAXIMUS GENE XI is equipped with two 4-pin connectors for connecting led strips and other RGB peripherals.

In the DIMM slots.2 is a ROG branded motherboard DIMM.2. For the first time this design feature the “Republican” motherboards came from ASUS Maximus IX Apex, which was published in 2017. To the slot supplied eight lines PCI Express 3.0 from the CPU. Therefore, if we use it, the only PEG-device port automatically operates in the x8 mode.

The design of the DIMM card.2 changed again, and the new variant is passive cooling for SSD. The Board itself allows you to install two M. 2-drive up to a length of 110 mm each.

Due to this configuration, the M. 2 ports, in particular, the motherboard has only four SATA connectors 6 GB/s. But the gaming PC, a number pad would be sufficient.

ASUS ROG MAXIMUS GENE XI is equipped with seven 4-pin connectors to plug the fans. For mATX Board is a great figure! In this part of connector (five) highlighted in black — they allow you to regulate the speed of not only the “Carlson” with a shim. Therefore, there is no need to use additional device like a fan controller, or pick a case with a built-in controller for the fans. Beauty! The remaining two connectors — white, they can’t lower the speed. They can “hang”, such as fans with originally low speeds.

There are 4-pin connectors, generally successfully. For example, we use a small Tower case and a two-piece DLC. Pump and fans “dropsy” are connected to the top row of connectors. Corpus impeller, located on the rear wall, to the socket near the PCI Express x4 slot, and the front Cabinet fan — port W_PUMP located on the bottom and deployed at 90 degrees. This port will be useful to those who collect custom DLC along with ASUS ROG MAXIMUS GENE XI tank with a pump usually mounted in the lower part of the Tower housing.

Yes, all the connectors are located at the bottom of the PCB, deployed 90 degrees. This is because the video card with a three slot cooler will simply cover that area of the motherboard. Interesting ports internal I note the presence W_IN/OUT W_Flow — these connectors are monitoring the temperature of the refrigerant and the speed of the liquid flow in the cooling system. And yet the Board there is a connector Node is required to connect a compatible power supply. If you do, you will be able to control the fan speed of the PSU, as well as to follow the input and output voltages. The list of compatible hardware can be found here.

Panel I / o Board is equipped with an integrated plug. It is quite tightly Packed the various ports — in addition to the five analog audio jacks and optical S/P-DIF output, it is possible to detect the display’s HDMI output, combo PS/2 port (still needed during extreme overclocking, since the USB controller in a stressful environment can “fall off”), set of USB ports, including a new-fangled Type-C, Gigabit network, and even two buttons ClearCMOS and USB BIOS Flashback.

Wired network connection is created using the 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 MAXIMUS GENE XI, as in many other ROG-boards, 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. In comparison with 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 OPA1688 and production 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.

All series motherboards MAXIMUS suitable for overclocking and ROG MAXIMUS GENE XI and for extreme overclocking. Therefore, the Board has several overclocking “uluchshayzerov” that make life easier for young and not so young enthusiasts. Buttons power and reset, as well as the POST indicator signals it is easy to notice. And in the right part of the PCB there are indicators QLED that demonstrate, at what stage is the computer is booted. There are also ReTry button (instantly reboots the system) and Safe Boot (runs stand with secure settings). Add to this the switches MemOK! Pause (the PC is put on pause so the user can change parameters during execution of the benchmark) and Slow Mode (instant reset CPU multiplier to 8x, to accommodate the computer severe tests). Finally, in the bottom of the device are the contact track ProbeIt, allows using the DMM to measure the exact parameters of the main stress system. It is really unfortunate. When you use graphics cards with three slot cooler for her not to get close (or get close, but then you have to work a soldering iron). Anyway to run the probe near the rotating fan 3D accelerator — so.

 

The power of the CPU is made by two 8-pin connectors. 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, the additional power to the processor is necessary only in extreme cases.

At the core of the Converter power supply ASUS ROG MAXIMUS GENE XI is a PWM controller ASP1405I. It may seem that the Board is equipped with 12 phases, but it is not. Each channel is responsible for the operation the CPU is equipped with two inductors and two assemblies IR3555. Two single-phase “look out” for iGPU. Looks power Converter very powerful.

During the cooling of field-effect transistors meets an array of a pair of aluminum radiators is of medium size, combined, however, copper deplorable. About how effectively the system works cooling the VRM area in the acceleration, I will tell you next.

SOURCE

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The Intel Core i5-9400F: fake Coffee Lake Refresh

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Despite the obvious difficulties with the production of 14-nm chips in sufficient quantities, Intel continues to gradually expand the lineup of Core processors, the ninth generation, known under the code name Coffee Lake Refresh. However, given it to her with varying degrees of success. That is, formally in the lineup really added new products, but in retail they appear very reluctant, and some models presented immediately after the New year novelties have been unable to check in the stores until now.

However, based on official data, now for the platform LGA1151v2 there are already at least nine desktop models of the Core pertaining to the thousandth of the series, including processors with four, six and eight cores. Moreover, the composition of this family includes not only the obvious representatives with predictable characteristics, but also unexpected CPU that is different from all predecessors ideologically. We are talking about CPUs F-series mass desktop chips, the specifications of which is not stated integrated graphics core.

Surprising in their appearance that these deals have expanded the range of consumer Intel for the first time in the last eight years, during which the company offered for mass segment only solution with integrated graphics. But now something has changed and the microprocessor giant has been forced to revise his principles. And we even know that: failures in planning and difficulties with the commissioning process with a 10-nm standards has led to a serious lack of Intel on the market, to mitigate which the company is trying by all means. The release of processors without integrated graphics – one of the rather apparent measures aimed at achieving this goal. Thanks to it the manufacturer has been able to set a serial processor previously considered defective semiconductor workpiece with a corrupted graphics core, which even at eight Coffee Lake Refresh “biting” up to 30 % of the area is 174 mm crystal. In other words, such a measure capable of increasing the yield and significantly reduce waste.

However, if Intel is the point in the release of processors F-series is quite obvious, that Benet from the emergence of such offers consumers the issue is very controversial. The chosen manufacturer of the tactic is that trimmed at its core, the processors are implemented without any discounts, for the same price as their “full” counterparts. In order to fully understand this situation, we decided to take the tests one of the Core lineup of the ninth generation, devoid of the integrated graphics and try to find his hidden advantages.

As the object for investigation was selected as Core i5-9400F Junior six-core CPU generation Coffee Lake Refresh. This chip of particular interest: its predecessor, the Core i5-8400, at the time, was very popular thanks to very attractive ratio of price and performance. Officially announced four months ago, Core i5-9400 (no F in the name) offers a slightly higher frequency such at the same price, but selling him is practically impossible. But the Core i5-9400F represented on the shelves everywhere, and, moreover, since the deficit of this model does not apply, its real value in retail as close as possible to recommended. However, this does not Core i5-9400F a good option for “basic” configurations automatically, because now AMD in the same price category offers six-core processors Ryzen 5, which, in contrast to the Core i5 series have the support for multithreading (SMT). That is why today’s quiz promises to be especially meaningful: it must give an answer to several questions and clearly show whether the Core i5-9400F chance to repeat the success of the legendary Core i5-8400.

#Lineup Refresh Coffee Lake

To date, there have been two waves of announcements of processors that are conditionally related to the generation of Coffee Lake Refresh. Despite the fact that such a CPU is largely similar to its predecessors from the family of Coffee Lake, Intel refer them to the ninth generation of Core numbers and indices, start with the number 9. And if the Core i7 and Core i9 this distinction may be partly justified, because they first obtained an eight compute cores, the new processors series Core i5 and Core i3 got an increase in model numbers for the most part. In fact, they only offer higher clock frequency.

While no improvements on the level microarchitecture can not speak at all. And surprise, to be honest, it doesn’t matter. Intel practiced the concept of development is that the profound changes in processors attached to the improvement of production technologies. Therefore, the delay in the implementation of the 10-nm process technology lead to the fact that we once again have to deal with the Skylake microarchitecture, released in 2015. However, what is surprising for some reason Intel does not seek to change features that do not require any noticeable change. For example, the official Coffee Lake Refresh continue to rely on dual DDR4-2666 memory, while AMD has repeatedly adds to its processors support high-speed modes, reaching in the latest versions of mobile Raven Ridge already up to DDR4-3200. The only thing that made Intel, is increased up to 128 GB of memory supported in systems based on Coffee Lake Refresh.

However, despite the absence of changes in microarchitecture, Intel still manages to produce quite an interesting model, extensive methods – increasing the number of cores and clock frequency. The first wave of announcements Coffee Lake Refresh, which took place in October last year, brought three flagship overclocking of the processor, to conquer new frontiers of performance: OCTA core Core i9-9900K and Core i7-9700K, as well as six-core Core i5-9600K. With the second wave of the Christmas list for the latest processors added another six CPU easier. In the end, the full nomenclature of the Refresh Coffee Lake began to look like the following.

Cores/ threads Base frequency, GHz Turbocheetah, GHz L3 cache MB iGPU IGPU frequency, GHz Memory TDP, watts Price
Core i9‑9900K 8/16 3,6 5,0 16 UHD 630 1,2 DDR4‑2666 95 $488
Core i9‑9900KF 8/16 3,6 5,0 16 No DDR4‑2666 95 $488
Core i7‑9700K 8/8 3,6 4,9 12 UHD 630 1,2 DDR4‑2666 95 $374
Core i7‑9700KF 8/8 3,6 4,9 12 No DDR4‑2666 95 $374
Core i5‑9600K 6/6 3.7 V 4,6 9 UHD 630 1,15 DDR4‑2666 95 $262
Core i5‑9600KF 6/6 3.7 V 4,6 9 No DDR4‑2666 95 $262
Core i5‑9400 6/6 2,9 4,1 9 UHD 630 1,05 DDR4‑2666 65 $182
Core i5‑9400F 6/6 2,9 4,1 9 No DDR4‑2666 65 $182
Core i3‑9350KF 4/4 4,0 4,6 8 No DDR4‑2400 91 $173

The main part of the processors added to the released in the first place overclocking K-models later, consists of chips, deprived of the integrated graphics core. Technically Core i9-9900KF, Core i7-9700KF and Core i5-9600KF are based on exactly the same semiconductor Foundation, and have absolutely the same characteristics as the Core i9-9900K, Core i7-9700K and Core i5-9600K, differing only in the fact that they don’t offer the built-in GPU, in hardware blocks at the production stage.

But the list of innovations of the second wave can be seen and indeed a new model. First is the Core i3-9350KF is the only Coffee Lake Refresh Quad core processor with an unlocked multiplier. If you close your eyes to the lack of built-in GPU, it is possible to calculate an updated version of the Core i3-8350K, which was accelerated by adding Turbo Boost technology 2.0 and the newfound ability of automatic overclocking to 4.6 GHz.

Another more-or-less full new in the second wave it is possible to calculate Core i5-9400 and devoid of the integrated graphics Core i9 fellow-9400F. The value of these models lies in the fact that with their help, Intel has significantly lowered the cost of the Junior six-core Coffee Lake Refresh, allowing you to use the latest generation CPU in the configuration baseline. However, formal differences between Core i5-9400 from last year’s hit, Core i5-8400, not so much. Clock frequency increased by only 100 MHz, which is likely due to the desire of the microprocessor giant to leave your younger shestiyaderny within the 65-watt thermal package. As a result, the gap in the maximum frequency in turbo mode between the senior and the Junior six-core processors in the family Coffee Lake Refresh increased to 500 MHz, while in the generation of Coffee Lake it was only 300 MHz.

Judging from the specs, it seems that trump the new Core i5-9400 and Core i5-9400F on the background of the old Core i5-8400 really nothing. However, the specifications in this case do not give quite the full picture. During the announcement of the first Coffee Lake Refresh, Intel said, including about the advantages of an indirect nature. For example, for a new generation of chips was promised a change of the internal thermal interface: polymer place of thermal paste was to take a highly bestlady solder. But does this apply to the Junior six-core Core processors, the ninth generation? It turns out that not always.

#Details about Core i5-9400F

It so happened that, releasing the Coffee Lake Refresh processors, Intel raked in the pile, several different variants of semiconductor crystals with process technology 14 nm++, and not all of them are in fact new. Based on Core processors, the ninth generation may lie as semiconductor crystals, designed for them specifically, and relatively old versions of the silicon, which was used extensively including in the processors of the eighth generation ranked as family Coffee Lake.

In particular, at the moment aware of the existence of at least four stoppingof crystals that are set in a certain mass the Core of thousandth of the series:

  • P0 – the only “honest” option of the crystal, which is really unfair to make Coffee Lake Refresh. This crystal has eight cores and is used in overclocking the Intel Core i9-9900K, Core i7-9700K and Core i5-9600K in their F-variations of the Core i9-9900KF, Core i7-9700KF and Core i5-9600KF, as well as the Intel Core i5-9400;
  • U0 – six-core crystal used in processors Coffee Lake, that is, in the eighth generation Core. Now it is used to create a six-core Core i5-9400F;
  • B0 the Quad – core chip, which is used for the Intel Core i3-9350K. This version of silicon, too, came into the Quad-core processor straight out of the Coffee Lake, including the Core i3-8350K;
  • R0 – a new stepping of a crystal, in which it is assumed will be the senior Core processors, the ninth generation, starting in may. Currently, the serial CPU does not occur, and therefore no specific information about its features and causes no.

Thus, the Core i5-9400F about which we are talking in this review, is the black sheep: one of a kind processor that may be internal to the device is different from the other six-core and eight-core counterparts-generation Coffee Lake Refresh. Strictly speaking, it is not a stripped-down or time-lapse version of the Core i5-9600K or Core i5-9400, and a slightly overclocked variant of the old Core i5-8400 with disabled graphics core.

And I must say, this is manifested not only in the screenshots diagnostic utilities that show for the Core i5-9400F old stepping U0 instead of a new P0. In Core i5-9400F in fact, there is no innovation peculiar to Coffee Lake Refresh. In particular, the Assembly of these chips soldering the die to the heat-spreading lid is not applied, and the internal thermal interface is exactly the same polymer compound used in processors Coffee Lake.

Core i5-9400F и Core i5-9600K без крышки. Фото momomo_us

Core i5-9400F and Core i5-9600K without a lid. Photo momomo_us

In addition, the Core i5-9400F, unlike the rest of a new generation of Coffee Lake Refresh going on the PCB with thinner the PCB is the same as used for conventional Coffee Lake.

Слева направо: Core i5-8400, Core i5-9400F и Core i5-9600K

From left to right: Core i5-8400, Core i5-9400F and Core i5-9600K

And moreover, even the shape of the heat-spreading lid Core i5-9400F gives the relationship of the Core CPU of the eighth generation. Because purebred Coffee Lake Refresh cover has changed.

Слева направо: Core i5-8400, Core i5-9400F и Core i5-9600K

From left to right: Core i5-8400, Core i5-9400F and Core i5-9600K

In other words, there is no doubt that the Core i5-9400F – in fact, no Coffee Lake Refresh and rejection of previous-generation processors with disabled graphics core. And this applies to all wholly supplied at present, the serial Core i5-9400F that largely explains the wide availability of these processors at a time when the mass supply of Coffee Lake Refresh others continue to experience significant problems. For example, formally announced simultaneously with the Core i5-9400F its “full” counterpart with integrated graphics UHD Graphics 630, which should be based on “fair” crystal stepping P0, in retail sales is still missing.

At the same time, the microprocessor giant doesn’t exclude the possibility of transfer Core i5-9400F on the “right” stepping P0 in the medium term. But it will happen, obviously, only when all accumulated in the warehouses of Coffee Lake with a defective integrated GPU will be successfully sold out.

However, for most users this fact of forgery of silicon crystals is unlikely to have any significance. Anyway, Core i5-9400F real shestiyadernik without support Hyper-Threading, which at any load is running at 100 MHz faster than its predecessor, Core i5-8400. This means that the frequency formula Core i5-9400F corresponds to $10 more expensive Core i5-8500.

Despite the fact that Core i5-9400F claimed comparatively low base frequency of 2.9 GHz, in reality this CPU is able to work much faster thanks to technology Turbo Boost 2.0. If enabled, the Multi-Core Enhancements (that is the default mode for the vast majority of motherboards) under full load, the Core i5-9400F able to keep the frequency of 3.9 GHz accelerating under load on one core to 4.1 GHz.

  Nominal frequency The maximum frequency Turbo Boost 2.0
1 core 2 cores 3 core 4 cores 5 cores 6 cores
Core i5-8400 2.8 GHz 4.0 GHz 3.9 GHz 3.9 GHz 3.9 GHz 3.8 GHz 3.8 GHz
Core i5-8500 3.0 GHz 4,1 GHz 4.0 GHz 4.0 GHz 4.0 GHz 3.9 GHz 3.9 GHz
Core i5-9400(F) 2.9 GHz 4,1 GHz 4.0 GHz 4.0 GHz 4.0 GHz 3.9 GHz 3.9 GHz

No overclocking capabilities in this speech, of course, is not. The most capable Core i5-9400F, for the maximum allowed in the technology Turbo Boost 2.0 frequency. And on motherboards with chipsets H370, B360 or H310 do not get to use and faster than DDR4-2666 memory. More speed modes available only on motherboards with older chipsets Z370 or Z390.

SOURCE

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