Home / Recent News / Intel Core i7-8700K, Core i5-8600K, Core i5-8400 CPU Review
Intel Core i7-8700K, Core i5-8600K, Core i5-8400 CPU Review

Intel Core i7-8700K, Core i5-8600K, Core i5-8400 CPU Review


ASRock FATAL1TY Z370 Professional Gaming i7

fifth October, 2017

Type Motherboard

Price $289.99 US


Early in 2017, Intel launched their model new Kaby Lake platform, that includes a plethora of CPUs and motherboards. The Kaby Lake platform launched nothing new over what Skylake and its boards already provided. It was merely a part of Intel’s yearly refresh and introduced some modest clock velocity improve and boards with added options (primarily by AIBs relatively the chipset itself).

But, a couple of months after Kaby Lake launched, AMD launched Ryzen. A big replace to their processor household that not solely introduced IPC on par with fashionable Intel cores, but additionally delivered a mainstream platform with characteristic stage parity with Intel’s mainstream choices. Ryzen additionally provided extra cores on the mainstream platform, with multi-threading help and the foremost blow to Intel got here in worth to efficiency. Ryzen had achieved one factor, it had obliterated Intel’s lengthy operating reign within the mainstream market by itself, we gained’t even point out Threadripper right here as that may be a complete one other story.

In the in the meantime, Intel already had plans to replace their mainstream household to larger cores however AMD stunned them with the Ryzen lineup. As such, whereas the plans to convey larger core depend CPUs had been formulated lengthy earlier than Ryzen was even introduced, the roadmap modifications had been made about a couple of months in the past. So, what was anticipated to launch in early 2018 is launching right this moment. Intel’s first mainstream core depend bump in additional than 10 years.

Today, Intel formally launches the 300-series platform. Designed to help eighth technology processors which can be codenamed Coffee Lake, the 300-series provides new options and updates within the type that had been basically made to accommodate the brand new technology of mainstream processors. The newest launch comes only a few months after Intel’s seventh Generation core household which could be very shocking, even for Intel.

With the launch of Coffee Lake processors, Intel can be providing a brand new platform that’s marked as 300-series. The Intel 300 sequence platform will characteristic a number of chipset SKUs however the first to hit the retail market is Z370. The Z370 platform is completely constructed to help Coffee Lake CPUs which means that whereas we will count on later CPU launches to characteristic help on the present platform, all CPUs that got here earlier than is not going to work on the brand new motherboards. We have extra particulars on this within the LGA 1151 socket part so right here, we will probably be having a look on the Z370 characteristic set and what it provides over the earlier 200 and 100 sequence platforms.

Intel Z370 PCH Features:

The eighth gen desktop platform has a spread of latest options that primarily embody:

  • More Cores
  • More Intel Smart Cache
  • Best In Class Design
  • Enhanced Overclocking
  • Improved 14nm Process

And after all, powering the brand new platform is the Z370 PCH. The PCH provides the next:

  • Improved Power Delivery for six Core processors
  • Enhanced Package Power Delivery For overclocking
  • Memory routing help for DDR4-2666
  • Rec.2020 & HDR Support, HEVC 10-bit HW Decode/Encode, VP9 10-bit HW Decode
  • Integrated USB three.1 Gen2 (10 Gbps)
  • Support for built-in Intel wi-fi AC (WiFi 802.11ac R2 & Bluetooth 5)
  • Intel Optane reminiscence help
  • Intel Smart Sound Technology with quad core audio DSP
  • 24 Chipset PCIe three.zero Lanes
  • 10 USB three.1 Ports With Up To 6 USB three.1 Gen 2 (10 Gbps) Ports
  • Up To 6 SATA three.zero Ports
  • Intel Rapid Storage Technology 16
  • PCIe three.zero x4 Storage Support

Intel Kaby Lake Refresh and Cannon Lake PCH Features:

Chipset NameCoffee Lake S (KBL-R) PCH / Z370 PlatformCoffee Lake S (CNL-H) PCH / 300 Series
Processor6C, 4C (6 Consumer SKUs at Launch)
Enhanced IA and Memory Overclocking
Gen 9 Intel Graphics GT2 (Up To 24 EUs)
Consumer Only
6C, 4C, 2C (Full company/client SKU stack at launch)
Enhanced IA and Memory Overclocking
Gen 9 Intel Graphics GT2 (Up To 24 EUs)
Corporate/vPro & Consumer
MemoryUp To DDR4-2666 (Native)Up To DDR4-2666 (Native)
Media, Display & AudioDP 1.2 & HDMI 1.four
HDCP 2.2 (HDMI 2.0a w/LSPCON)
HEVC & VP9 10-bit Enc/Dec, HDR, Rec.2020, DX12
Integrated Dual-Core Audio DSP
DP 1.2 & HDMI 1.four
HDCP 2.2 (HDMI 2.0a w/LSPCON)
HEVC & VP9 10-bit Enc/Dec, HDR, Rec.2020, DX12
Integrated Dual-Core Audio DSP
SoundWire Digital Audio Interface
I/O & ConnectivityIntegrated USB three.1 Gen 1 (5 Gbps)
Thunderbolt three.zero (Alpine Ridge)
Integrated USB three.1 Gen 1 (5 Gbps)
Integrated Intel Wireless-AC (Wi-Fi / BT CNVi)
Integrated SDXC three.zero Controller
Thunderbolt three.zero (Titan Ridge) w/ DP 1.four
StorageNext Gen Intel Optane reminiscence
PCIe three.zero, SATA three.zero
Next Gen Intel Optane reminiscence
PCIe three.zero, SATA three.zero
SecurityIntel SGX 1.zeroIntel SGX 1.zero
Power ManagementC8 SupportC10 & S0ix Support for Modern Standby

Intel isn’t transferring away from the LGA 1151 socket any time quickly. We are as soon as once more wanting on the similar socket which has been doing the rounds within the mainstream market since 2015. There is how ever a significant distinction. There’s no backward compatibility with Skylake and Kaby Lake processors.

That brings us to the subsequent vital element concerning the Intel 300-series platform. Intel is confirming that the Coffee Lake processors are solely appropriate with the 300-series chipset. The purpose cited by Intel is the change in electrical lanes and energy supply that Z370 improves considerably. We did have a phrase with some motherboard producers and whereas they reveal that Coffee Lake may fit with older motherboards, it gained’t ship the identical stage of stability or clocking as on the Z370 sequence motherboards.

A extra detailed analysis was posted by David Schor a couple of days in the past which confirms the change in pin configuration on Coffee Lake processors, therefore maintaining the LGA 1151 socket on Z370 boards unique to Coffee Lake chips.

According to David, the rationale we don’t have Coffee Lake processors appropriate with older sequence motherboards that characteristic the LGA 1151 socket is the change in pins. For occasion, if the pin config modifications on a processor, the sockets on the motherboard have to be configured as such. It’s not a course of that may be achieved by way of software program as its extra of a stage change.

When in contrast, the Coffee Lake processors have 391 VSS (Ground) pins which is a rise of 14 in comparison with Kaby Lake, 146 VCC (Electrical) pins which is a rise of 18 pins in comparison with Kaby Lake and about 25 pins which can be reserved and a lower of 21 pins from the 46 reserved on Kaby Lake.

Kaby Lake -> Coffee Lake

  • VSS (Ground): 377 -> 391 (+14)
  • VCC (Power): 128 -> 146 (+18)
  • RSVD: 46 ->25

Intel LGA 1151 CPU Pin Configuration (Coffee Lake vs Kaby Lake):

So one factor is evident, Intel was in reality telling the reality about electrical modifications to the processors and socket within the 300-series platform. Furthermore, it’s not simply the reserved pins from Kaby Lake which have merely been populated. There are pins apart the reserved ones that had been swapped with VCC pins and point out a design tweak.

While we will put many theories to relaxation with this new element, I feel a lot of the confusion may have simply been averted if Intel clarified this themselves. Of course, if you’re making the boards with a brand new PCH and new sequence of processors on the identical socket that ran the earlier CPU line, shoppers would positively wish to know extra why the brand new platform that has the identical socket can not help their older chips. We beforehand heard concerning the LGA 1151 V2 naming scheme and that will have sorted some confusion however as we will inform, all motherboards nonetheless use the LGA 1151 naming scheme which can result in folks considering that their sixth and seventh technology processors can run on the newer boards.

Cooler Compatibility With LGA 1151 Socket

Keeping the identical socket has some benefits within the type of cooler compatibility. All customers who’re operating the LGA 1151 socket and even LGA 1150 boards can use the identical cooler on the Z370 boards with none trouble. The socket has the identical dimensions and no modifications are made other than electrical modifications which can be particular to socket and processor pins. The socket meeting and mounting stays the identical.

Intel does provide a separate boxed cooler however it will likely be a significantly better option to get an AIB cooling answer since these provide higher cooling efficiency. It is really helpful for the unlocked SKUs that customers run them on a excessive finish air cooler or liquid cooling answer. Custom loop cooling will ship even higher outcomes.

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