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Guru3D.com » News » Eight core Coffee Lake Processor Finally Spotted?

Eight core Coffee Lake Processor Finally Spotted?

by Hilbert Hagedoorn on: 03/20/2018 09:54 PM | source: | 27 comment(s)
Eight core Coffee Lake Processor Finally Spotted?

It has been topic of discussion for many months now, ever since the 'Z390 chipset' surfaced on a roadmap and a company kind of leaked that it was intended for an 8-core processor, it became silent though, from the looks of it, it's for real.

Over at Videocardz, they spotted an entry in the Futuremark, and indeed that very much looks like an 8-core processor that is actually listed as Coffee Lake. The processor is listed as a generic, and that means the motherboard firmware microcode has not been updated or recognizing the processor. That base-clock could be misread, or this is a very early engineering sample.

 

 

The Z390 chipset has been spotted on several roadmaps and slides, so at one point we do need to understand what it is intended for eh? Anyway, the CPU is listed at 8-cores and 16-threads, the rest of the stuff looks erroneous, including the listed base clock. The testing platform is listed as Intel Corporation CoffeeLake S82 UDIMM RVP, likely an engineering board.

It will not be released in April though, that moment is for H370 and B360 chipsets and a few new Coffee Lake respin procs, this later. Also, there has been a rumor about the Z370 chipset, it would have been incompatible with Skylake and Kaby Lake due to Intel's preparations for an 8-core CPU.

Make of it what you will, but we're certain of one fact, Intel does not like the fact that AMD has 8-core processors available in the mainstream segment, while they do not.



Eight core Coffee Lake Processor Finally Spotted?




« Hardware manufacturers removing game branding from AMD products? · Eight core Coffee Lake Processor Finally Spotted? · Initial AMD Technical Assessment of CTS Labs Research »

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Noisiv
Senior Member



Posts: 8185
Joined: 2010-11-16

#5532635 Posted on: 03/28/2018 02:15 PM
If they did have an 8 core, maybe they did the sensible thing and got rid of the integrated GPU. A very considerable number of people with Intel processors use them for gaming, so they get the higher spec CPU's. They then use a discrete graphics card and the GPU goes to waste. For businesses, they tend to buy the 'lesser' processors, those that gamers won't buy, so integrated GPU's for them makes sense.


I like my Intel HD

Total power-in of my PC, while idling on desktop, browsing Guru3D.

75W on Intel HD (via HDMI input/output cable)
125W on R9 290 (via display port 1.2) (mem goes between 300-1250MHz, but this doesn't seem to be culprit)
------------------

That's cool 50W difference just one click away:



Fox2232
Senior Member



Posts: 11809
Joined: 2012-07-20

#5532806 Posted on: 03/28/2018 09:44 PM
Results table in the previous post updated. A GB links also at the end for the 4C/8T.

At 2400MHz the results varied a bit, but I would say you were spot on. :)





Thanks. Tiny Variation does not matter at all. Differences between each configurations are incomparably bigger.
https://browser.geekbench.com/v4/cpu/compare/7655359?baseline=7637463
Left: 4C/8T + 3200MHz memory ; Right: 6C/12T + 2400MHz memory.
Shows how starved even 6C/12T can be with 2400MHz. I did series of calculations and following are results:
Approximated based on performance scaling from 4C/8T+3200MHz to 6C/12T+2400MHz; 6C/12T+3200MHz; 6C/12T+4266MHz. While considering average 35% scaling as target (instead of 50%).
Memory clock to extract close to maximum in given Workload from all threads.
6C/12T 8C/16T
AES 4898 6531
LZMA 2863 3818
JPEG 2643 3524
Canny 4422 5896
Lua 2221 2961
Dijkstra 4385 5847
SQLite 2579 3439
HTML5 Parse 2862 3816
HTML5 DOM 4562 6083
Histogram Equalization 3826 5101
PDF Rendering 4891 6521
LLVM 2390 3186
Camera 2852 3803
SGEMM 4161 5548
SFFT 2173 2898
N-Body Physics 2165 2887
Ray Tracing 2411 3215
Rigid Body Physics 2206 2941
HDR 4209 5613
Gaussian Blur 2863 3818
Speech Recognition 4552 6070
Face Detection 2184 2912


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