Intel 8th Generation Coffee Lake Desktop Processors Official Prices, Specifications and Performance Detailed – Core i7-8700K Priced at $359 US, Core i5-8600K at $257 US

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Sep 25, 2017
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Intel has officially moved the embargo forward for their 8th generation desktop processors known as Coffee Lake. The embargo allows us to cover details that were presented by Intel during a event few days ago and include specifications, prices and performance numbers (official) on the 8th gen processors.

Intel 8th Generation Desktop Core Family Officially Announced – First Core i7 With 6 Cores, First Core i3 With 4 Cores and a Core i5, 6 Core CPU Under $200 US

Intel is detailing a lot in their presentation regarding the 8th generation desktop family but they are also keeping a few details out of our reach. The 8th generation desktop family comes will be arriving at a time when Intel faces a heated battle with its competitor in the CPU department that has long been vacant of any competition. There are a few things happening with Intel’s desktop platform and the processor family which can be seen as a direct or indirect result of this uprising. So let’s get on with the details.

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This new family introduces the first-ever 6-core Intel Core i5 desktop processor and first-ever 4-core Intel Core i3 desktop processor. The family offers a wide range of performance options for consumers with unlocked “K” processors that deliver maximum tuning flexibility at each brand level and up to 40 platform PCIe 3.0 lanes for system expandability on graphics, storage and I/O. These processors are supported with new Intel Z370 chipset-based motherboards. via Intel

NEWS HIGHLIGHTS

  • New 8th Gen Intel Core desktop processors and Intel Z370 chipset are perfect for gamers, content creators and overclockers with a range of unlocked “K” processors.
  • Includes a new Intel Core i7 desktop processor that is the best gaming processor ever from Intel, first-ever 6-core Intel Core i5 desktop processor and 4-core Intel® Core i3 desktop processor.
  • Performance boosts that deliver frame rate improvements of up to 25 percent compared with 7th Gen Intel Core for smooth gaming experiences and up to 65 percent faster editing in content creation compared with a 3-year-old machine.

Intel Coffee Lake Is Built on the Same Architecture as Kaby Lake, Improved 14nm++ Process and More Cores

First of all, what is Coffee Lake? In simple terms, Coffee Lake is an improved Kaby Lake that is been possible with the latest 14nm++ process node. Intel briefed in their webinar that the Coffee Lake is on the same architectural level as Kaby Lake with no changes at all. Aside from that, the new 14nm process allows for improved power efficiency and higher clock speeds. There’s a reason that Intel is bumping up the core count across their entire range of processors. The Intel Core i7 and Core i5 lineup gets 6 cores (HT/Non-HT) while the Core i3 lineup gets 4 cores.

The Intel Core i7 and Core i5 processors with 6 cores feature the same TDPs as their predecessors so bumping up the core count hasn’t changed the TDP numbers. Actual power consumption may vary during testing real world applications but for that, you’d have to wait for our review in coming weeks. You will also note that Intel has given a fairly good bump to both CPU and integrated GPU clock speeds which is only possible with the new and improved 14nm++ process.

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Intel Coffee Lake Is Only Supported by The 300-Series Chipset – LGA 1151 On Z370 Offers No Backward Compatibility – Full Platform Details

The next significant detail is the Intel 300-series platform. Intel is confirming that the Coffee Lake processors are only compatible with the 300-series chipset. The Z370 motherboards come with a socket known as LGA 1151 and that is the same socket we have seen on the consumer platform since Skylake. But with Coffee Lake, LGA 1151 on Z370 is no longer compatible with older CPUs. Even Coffee Lake processors are not backward compatible to 100 or 200 series motherboards.

The reason cited by Intel is the change in electrical lanes and power delivery that Z370 improves substantially. We did have a word with some motherboard manufacturers and while they reveal that Coffee Lake may work with older motherboards, it won’t deliver the same level of stability or clocking as on the Z370 series motherboards.

So with one of the controversies explained, let’s head over to the platform details. The 8th gen desktop platform has a range of new features that mainly include:

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

And of course, powering the new platform is the Z370 PCH. The PCH offers the following:

  • Improved Power Delivery for 6 Core processors
  • Enhanced Package Power Delivery For overclocking
  • Memory routing support for DDR4-2666
  • Rec.2020 & HDR Support, HEVC 10-bit HW Decode/Encode, VP9 10-bit HW Decode
  • Integrated USB 3.1 Gen2 (10 Gbps)
  • Support for integrated Intel wireless AC (WiFi 802.11ac R2 & Bluetooth 5)
  • Intel Optane memory support
  • Intel Smart Sound Technology with quad core audio DSP
  • 24 Chipset PCIe 3.0 Lanes
  • 10 USB 3.1 Ports With Up To 6 USB 3.1 Gen 2 (10 Gbps) Ports
  • Up To 6 SATA 3.0 Ports
  • Intel Rapid Storage Technology 16
  • PCIe 3.0 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
8C, 6C, 4C, 2C (Full corporate/consumer 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 1.4
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 1.4
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 3.1 Gen 1 (5 Gbps)
Thunderbolt 3.0 (Alpine Ridge)
Integrated USB 3.1 Gen 1 (5 Gbps)
Integrated Intel Wireless-AC (Wi-Fi / BT CNVi)
Integrated SDXC 3.0 Controller
Thunderbolt 3.0 (Titan Ridge) w/ DP 1.4
StorageNext Gen Intel Optane memory
PCIe 3.0, SATA 3.0
Next Gen Intel Optane memory
PCIe 3.0, SATA 3.0
SecurityIntel SGX 1.0Intel SGX 1.0
Power ManagementC8 SupportC10 & S0ix Support for Modern Standby
Launch20172018

Intel Coffee Lake CPUs Have 16 PCIe 3.0 Lanes, PCH Supports 24 PCIe 3.0 Lanes – These Make Up The 40 PCIe Platform Lanes

Now one thing you might have noticed in other articles is that they state Intel Coffee Lake platform will feature 40 PCIe Lanes. That’s true but not entirely an accurate representation. As you see, Intel does has 40 PCIe 3.0 lanes on their upcoming family but those are a combination of CPU and PCH lanes. All Coffee Lake CPUs feature 16 PCIe Gen 3.0 lanes while the Z370 PCH features 24 PCIe 3.0 lanes. These make up the 40 PCIe 3.0 lanes that Intel claims of.

This means that people can add in two GPUs for SLI or mGPU support which will be given to the CPU while PCH can allow for additional devices such as PCIe / M.2 storage or Intel Optane support.

The Intel 8th Gen, Core Desktop Family Full Specifications and Prices

At launch, Intel will introduce 6 new Coffee Lake CPUs to consumers. These include the flagship Core i7-8700K, Core i7-8700, Core i5-8600K, Core i5-8400, Core i3-8350K and Core i3-8100. Intel includes three “K” unlocked CPUs in the lineup while the rest are locked CPUs that don’t feature overclocking but great for budget users in their own place. Following are the detailed specs for these CPUs:

Intel Core i7-8700K – The Coffee Lake Flagship With 6 Cores and 4.3 GHz Boost Across All Cores

The Intel Core i7-8700K will be the flagship processor of the lineup. It will feature 6 cores and 12 threads. The chip will be compatible with the LGA 1151 socket on the Z370 chipset only. The chip will be Intel’s first hexa core product and will be based on the 14nm process node.

In terms of clock speeds, we are looking at a 3.7 GHz base frequency which boosts up to 4.3 GHz (6 core) and 4.7 GHz (1 core). These clocks are really impressive so we can expect much faster gaming performance on Coffee Lake parts than the current generation of CPUs. The chip is fully unlocked allowing for overclocking and comes with a TDP of 95W. There’s 12 MB of L3 cache on board along with a GT2 tier iGPU. The chip supports DDR4-2666 MHz memory (native) and up to 4400 MHz+ (OC). The Intel Core i7-8700K will cost $359 US at launch.

Intel Core i5-8600K – The Gamer Aimed Hexa Core With Overclocking Capability and 4.3 GHz Boost

The Intel Core i5-8600K is the second unlocked chip in the lineup and features a hexa core design. We have learned that the Intel Core i5 series will stick with 6 cores but they will not feature a multi-threaded design. The chip probably features 9 MB of L3 cache while being supported on the LGA 1151 socket.

In terms of clock speeds, we are looking at 3.5 GHz base, 4.2 GHz (6 core), 4.3 GHz (1 core) boost clocks. The chip will feature a TDP of 95W and the pricing will be set at $257 US which is just a few bucks over $242 US Price of the Core i5-7600K making it a great option for gamers who want some extra cores inside their rigs.

Intel Core i3-8350K – A Quad Core i3 Processor With 4 GHz Clock Speed

The Intel Core i3-8350K might be the only Core i3 chip in the 8th Gen family that enables overclocking support. Intel’s 8th Gen Core i3 family is also the first to feature 4 cores which will be a great deal for budget builders. The Intel Core i3-8350K comes with 4 cores and 4 threads that are clocked at 4.0 GHz. The chip features 6 MB of cache and will feature a TDP of 91W.

The Intel Core i3 chips will not feature boost clocks but they will have a more stable base clock speed and pricing is set at $168 US for the unlocked model.

Intel Core i5-8400 – A 6 Core Chip Under $200 US, Is This The Dream Gaming Chip?

The one other chip that is worth mentioning is the Intel Core i5-8400. This is a 6 core processor with no hyper threading and no overclocking enabled so what makes it so special? The pricing. Intel Core i5-8400 has been priced at a remarkable $182 US range which is under the $200 US pricing range. This makes it a very competitive chip for the gaming desktop market as you can have a modern 6 core gaming processor for a fantastic price. We are very interested to test the chip out ourselves.

Intel Coffee Lake 8th Gen Desktop Core Lineup:

CPU NameIntel Core i3-8100Intel Core i3-8350KIntel Core i5-8400Intel Core i5-8600KIntel Core i7-8700Intel Core i7-8700K
CPU FamilyCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-S
CPU Process14nm14nm14nm14nm14nm14nm
CPU Cores446666
CPU Threads44661212
Base Clock3.60 GHz4.00 GHz2.80 GHz3.60 GHz 3.20 GHz3.70 GHz
Boost Clock (Max)N/AN/A4.00 GHz4.30 GHz4.60 GHz4.70 GHz
Boost Clock (6 Core)N/AN/A3.50 GHz4.40 GHz4.20 GHz4.30 GHz
L2 Cache1 MB (256 KB per Core)1 MB (256 KB per Core)1.5 MB (256 KB per Core)1.5 MB (256 KB per Core)1.5 MB (256 KB per Core)1.5 MB (256 KB per Core)
L3 Cache6 MB6 MB9 MB9 MB12 MB12 MB
Overclocking SupportNoYesNoYesNoYes
Socket SupportLGA 1151LGA 1151LGA 1151LGA 1151LGA 1151LGA 1151
PCH300-Series300-Series300-Series300-Series300-Series300-Series
TDP65W91W65W95W65W95W
Price$117 US$168 US$182 US$257 US$303 US$359 US

Intel Details Overclocking and Gaming Performance Figures – Our Advice, Wait For Reviews

Intel has also detailed some performance numbers for their Coffee Lake processors. First of all, we have overclocking details. Intel claims that Coffee Lake processors are the best chips designed for overclocking. There are a range of new features supported by the chips which include:

  • Per Core Overclocking
  • Max Memory Ratio Up To 8400 MT/s
  • Real-Time Memory Latency Control
  • Extended PLL Trim Controls
  • Enhanced Package Power Delivery

The combination of these tools and features will presumably deliver better overclocking and even faster performance out of the chips. In terms of pure gaming performance, Intel says that the Core i7-8700K, when paired with a GeForce GTX 1080 Ti class graphics card delivers up to 195 FPS in the Gears of War 4 title, that’s a 25% increase in FPS over the Core i7-7700K. The extra number of core also deliver better streaming performance that is a must in today’s gaming ecosystem. We can see up to 45% better performance in Player Unknown Battlegrounds while gaming, streaming and also recording at the same time versus a Core i7-7700K. Compared to a 3 year old PC with something like Haswell or Ivy Bridge inside it, we can see a difference of 2X which sounds great.

Performance Testing Footnotes:

Altering clock frequency or voltage may damage or reduce the useful life of the processor and other system components, and may reduce system stability and performance. Product warranties may not apply if the processor is operated beyond its specifications. Check with the manufacturers of system and components for additional details.

As measured by a sampling of AAA game titles using the games’ benchmark mode measuring frames per second (FPS) on Intel Core i7-8700K processor.

As measured by Gears of War* 4 Workload – benchmark mode – comparing Intel® Core™ i7-8700K processor (6C/12T) vs. Intel® Core™ i7-7700K processor (4C/8T)

As measured by Photo Editing Adobe Photoshop Lightroom workload comparing Intel® Core™ i7-8700K processor (6C/12T) vs. Intel® Core™ i7-4790K processor (4C/8T).

As measured by Mega-tasking Gaming Scenario on Playerunknown’s battleground (PUGB) – benchmark mode – comparing Intel® Core™ i7-8700K processor (6C/12T) vs. Intel® Core™ i7-4790K processor (4C/8T)

As measured by 4K Video Adobe Premier Pro workload comparing Intel® Core™ i7-8700K processor (6C/12T) vs. Intel® Core™ i7-7700K processor (4C/8T).

As measured by SYSmark* 2014 SE (Second Edition) Responsiveness Subtest comparing Intel® Core™ i5-8400 (6C/6T) with 16GB Intel Optane Memory vs. Intel® Core™ i5-3470 processor without Intel® Optane™ memory.

Configurations

8th Gen: Intel® Core™ i7-8700K processor, PL1=95W TDP, 6C12T, Turbo up to 4.7GHz, Graphics: NVIDIA* GTX 1080Ti, Memory: 2x8GB, Storage: Intel SSD 545 Series 240GB, OS: Windows* 10 RS2

Gen-1: Intel® Core™ i7-7700K processor, PL1=91W TDP, 4C8T, Turbo up to 4.5GHz, Graphics: NVIDIA* GTX 1080Ti, Memory: 2x8GB, Storage: Intel SSD 545 Series 240GB, OS: Windows* 10 RS2

3-year-old: Intel® Core™ i7-4790K processor, PL1=84W TDP, 4C8T, Turbo up to 4.4GHz, Graphics: NVIDIA* GTX 1080Ti, Memory: 2x8GB, Storage: Intel SSD 545 Series 240GB, OS: Windows* 10 RS2

5-year-old: Intel® Core™ i5-3470 processor, PL1=77W TDP, 4C4T, Turbo up to 3.6GHz, Graphics: Intel HD Graphics 2500, Memory: 2x8GB, Storage: Western Digital HDD Black 1TB, OS: Windows* 10 RS2

There are also some numbers when it comes to content creation and I’ll leave the slide for you to take a look at them. Obviously, there isn’t much to see in the slides but you can expect a full on review in the coming days when NDA lifts on 5th October.

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