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Intel’s 12 Core ‘Skylake-X’ Core i9-7920X ES Geekbench Performance Leaked

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Aug 9, 2017
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Intel went with a staggered launch approach with their Intel Core-X lineup, with the 10-Core (LCC) parts arriving first and the 12-Core and above parts (HCC) arriving at a later date (28tht August 2017). The Core i9-7920X is the first of the high core count parts and features 12 Cores and 24 Threads based on the Skylake architecture and X299 platform, the full Geekbench performance of which has leaked out.

Geekbench performance of Core i9-7920X engineering sample leaks out – still some way to go for optimal performance

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Geekbench is a fairly consistent benchmark (within the same vendor at any rate) so it was slightly surprising to see less than expected performance from the Core i9-7920X. The base clock as read by Geekbench is 2.9 GHz, which is consistent with Intel’s official reveal and should mean the clockrate isn’t the issue. It is likely then that this is an engineering sample that is using imperfect drivers to run Geekbench. The reason I say this is because we have seen Geekbench performance of the Intel’s LCC parts and they outstrip this one easily. We have seen this sort of issue with the early Threadripper benchmarks as well.

In fact, the Core i7-7820k (8-core part) scores around 6000 points in single core and 47000 points in multi core. This level of performance is actually on par with the the Core i9-7800X (6-core part) which scores 6000 points and 37000 points respectively. It goes without saying that as the core count increases we will be seeing scaling losses on the multi-core side but this is just too lackluster a performance for it to be present in the final product. I expect Intel will be tweaking their parts to kingdom come as the 28th August launch draws near and I wouldn’t rule out Day 1 (or after) microcode/bios updates either. The theory that Intel rushed all parts above 10-Core in response to Threadripper appears to be getting validated every passing second.

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Priced at $1199 (you are paying $99.916 per core) ) and featuring the Skylake-X architecture, the Core i9-7920X is one of the more value oriented offerings for VR and content creators. Priced at a relatively affordable level and still offering almost 3 times the core count of what you would usually get from a mainstream Core series (till the last generation), this particular processor is going to be a fan favorite. It features a Turbo Boost Max 3.0 of 4.5 GHz (same as its elder siblings) and an unknown base clock. 12 MB of L2 cache is complimented by 16.5 MB of L3 cache. It features 44 PCIe lanes as well as quad channel DDR4-2666. The TDP is lowered to 140W.

The brand new Core-X series includes both the Skylake-X architecture as well as the Kabylake-X architecture. All CPUs that have a core count of 6-18 cores are from the SKL-X family while the quad cores are from the KBL-X family. Since AMD has already realeased its 8-core Ryzen processors and is planning on following up with Threadripper which will increase that number to 16, not only has Intel replied tit for tat, but also managed to one-up them with their Core i9-7980XE flagship which features 18 cores. This is not going to be a cheap platform of course, but those that can afford it will be pleased to find an almost limitless scaling factor to their CPU of choice under the X299 platform.

Intel Core X Series Processor Family Specifications:

CPU Name i9-7980XE i9-7960X i9-7940X i9-7920X i9-7900X i7-7820X i7-7800X i7-7740X i5-7640X
CPU Process 14nm+ 14nm+ 14nm+ 14nm+ 14nm+ 14nm+ 14nm+ 14nm+ 14nm+
Architecture SKL-X SKL-X SKL-X SKL-X SKL-X SKL-X SKL-X KBL-X KBL-X
Cores/Threads 18/36 16/32 14/28 12/24 10/20 8/16 6/12 4/8 4/4
Base Clock 2.6 GHz 2.8 GHz 3.1 GHz 2.9 GHz 3.3 GHz 3.6 GHz 3.5 GHz 4.3 GHz 4.0 GHz
(Turbo Boost 2.0) 4.2 GHz 4.2 GHz 4.3 GHz 4.3 GHz 4.3 GHz 4.3 GHz 4.0 GHz 4.5 GHz 4.2 GHz
(Turbo Boost Max 3.0) 4.4 GHz 4.4 GHz 4.4 GHz 4.4 GHz 4.5 GHz 4.5 GHz N/A N/A N/A
L3 Cache 24.75 MB 22 MB 19.25 MB 16.5 MB 13.75 MB 11 MB 8.25 MB 6 MB 6 MB
L2 Cache 18 MB 16 MB 14 MB 12 MB 10 MB 8 MB 6 MB 4 MB 4 MB
Memory Quad DDR4 Quad DDR4 Quad DDR4 Quad DDR4 Quad DDR4 Quad DDR4 Quad DDR4 Dual DDR4 Dual DDR4
PCIe Lanes 44 44 44 44 44 28 28 16 16
Socket Type LGA 2066 LGA 2066 LGA 2066 LGA 2066 LGA 2066 LGA 2066 LGA 2066 LGA 2066 LGA 2066
TDP 165W 165W 165W 140W 140W 140W 140W 112W 112W
Price $1999 US $1699 US $1399 US $1189 US $999 US $599 US $389 US $349 $242
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