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We haven’t seen a lot of action on the enthusiast-aimed LGA 3647 platform since the launch of Intel’s Xeon W-3175X. The processor remains to be the only HEDT offering on the C621 chipset-based platform but that might change soon.

Intel Readies 26 Core, 52 Thread HEDT Xeon-W CPU For LGA 3647 Socket, Aimed at The Prosumer Market

The details for the new Intel processor have appeared within the Sisoftware Sandra database. The processor which has no name is listed as part of the Intel Core i3/i5/i7 component which indicates that it isn’t any standard Xeon-W processor. Do note that Intel hasn’t released any Xeon-W 26 core SKU in their recently launched Cascade Lake-W lineup. The Xeon Platinum 8164 features 26 cores but the Sisoftware benchmark has no problem detecting that CPU as I noticed in various listings of that specific processor. So the only conclusion is that this is a new chip that Intel is readying for the LGA 3647 socketed enthusiast motherboards.

Multiple listings of the new Xeon-W chip can be seen in the Sisoftware Sandra Database. (Image Credits: Momomo_Us)

SoftwareIn terms of specifications, we are looking at 26 cores, 52 threads and a clock speed of up to 4.1 GHz. Do note that this is the maximum frequency being reported by the software. The Xeon W-3175X has a maximum turbo frequency listed at 3.8 GHz but the benchmark shows up to 4.4 GHz for the top-end chip. In addition to the frequency, the processor also features 35.75 MB of L3 cache and 26 MB of L2 cache.

The chips were tested on the ASUS ROG Dominus Extreme-board which is ASUS’s flagship design based on the C621 chipset. There aren’t a lot of C621 enthusiast boards to select from as ASUS and Gigabyte (AORUS) are the only ones that have retail products out with EVGA’s SR-3 DARK in the works.

Intel HEDT Processor Families:

Intel HEDT Family Gulftown Sandy Bridge-E Ivy Bridge-E Haswell-E Broadwell-E Skylake-X Skylake-X Skylake-X Cascade Lake-X
Process Node 32nm 32nm 22nm 22nm 14nm 14nm+ 14nm+ 14nm+ 14nm++
Flagship SKU Core i7-980X Core i7-3960X Core i7-4960X Core i7-5960X Core i7-6950X Core i9-7980XE Core i9-9980XE Xeon W-3175X Core i9-10980XE
Max Cores/Threads 6/12 6/12 6/12 8/16 10/20 18/36 18/36 28/56 18/36
Clock Speeds 3.33/3,60 GHz 3.30/3.90 GHz 3.60/4.00 GHz 3.00/3.50 GHz 3.00/3.50 GHz 2.60/4.20 GHz 3.00/4.50 GHz 3.10/4.30 GHz 3.00 / 4.80 GHz
Max Cache 12 MB L3 15 MB L3 15 MB L3 20 MB L3 25 MB L3 24.75 MB L3 24.75 MB L3 38.5 MB L3 24.75 MB L3
Max PCI-Express Lanes (CPU) 32 Gen2 40 Gen2 40 Gen3 40 Gen3 40 Gen3 44 Gen3 44 Gen3 44 Gen3 44 Gen3
Chipset Compatiblity X58 Chipset X79 Chipset X79 Chipset X99 Chipset X99 Chipset X299 X299 C612E X299
Socket Compatiblity LGA 1366 LGA 2011 LGA 2011 LGA 2011-3 LGA 2011-3 LGA 2066 LGA 2066 LGA 3647 LGA 2066
Memory Compatiblity DDR3-1066 DDR3-1600 DDR3-1866 DDR4-2133 DDR4-2400 DDR4-2666 DDR4-2800 DDR4-2666 DDR4-2933
Max TDP 130W 130W 130W 140W 140W 165W 165W 255W 165W
Launch Q1 2010 Q4 2011 Q3 2013 Q3 2014 Q2 2016 Q3 2017 Q4 2018 Q4 2018 Q4 2019
Launch Price $999 US $999 US $999 US $1059 US $1700 US $1999 US $1979 US ~$4000 US $979 US

Intel will soon be launching their new Core-X parts that are said to offer 2x better performance per dollar compared to Skylake-X parts. These 10th Generation X-series processors are arriving in the coming month and would feature Cascade Lake refinements and upgrades.

While the Core-X chips will be aimed at the LGA 2066 (X299) socket, it is possible that Intel might introduce the 26 core W-series part as a cheaper option for users building workstation PCs with LGA 3647 platforms. Intel can also simultaneously introduce a price cut on their Xeon W-3175X processor if they seriously want to reclaim the HEDT throne from AMD’s Ryzen Threadripper processor lineup.

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