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Guru3D.com » News » Intel Purley has 28 cores - Xeon E5 and E7 Slides

Intel Purley has 28 cores - Xeon E5 and E7 Slides

by Hilbert Hagedoorn on: 05/25/2015 09:08 AM | source: | 2 comment(s)
Intel Purley has 28 cores - Xeon E5 and E7 Slides

Over the weekend Intel Skylake Purley Xeon E5 and E7 Slides leaked onto the web, as they where spotted in forums. The slides we are talking about in this news item are about Intel’s upcoming Xeon Skylake Platform: Purley, and the info in these slides are pretty significant.

Purley is the successor to the Nehalem architecture, a platform based on motherboard chipset and thus the processor series. The processor platform will come enable six-channels DDR4, and AVX 512 instruction set and a new 100G OmniPath interconnect. Purley will support for no less than 8 processor sockets and will come with Cannonlake graphics and FPGA integration. The PCH is designed under code-name Lewisburg and it'll ship with new Ethernet controllers, these seem to be 10Gbps !

The Interconnect is totally new and very fast, the Omni-Path Interconnect looks to be fiber-optic technology with bandwidth starting at 100 Gbps for the first revision. The controller steering that Omni-path will be codenamed "Storm Lake." A new 10.4 GT/s UPI interconnect will tie things together communication wise, each socket will get three UPI channels.
 


Now on the processor side things get tasty, "Purley", the "Skylake" architecture will be the basis for processors running up-to 28 physical CPU cores, with HyperThreading enabled that counts down to 56 logical CPUs (!) The TDP is 45W up-to 165W depending on the processor model of course, and Socket P is the all new socket to use. We already mentioned it, a six-channel (384-bit wide) memory controller is embedded for DDR4 memory running up-to DDR4-2666. These puppies will be built on a 14 nm silicon fab.

Have a peek at the screenshots (click thumbnails), found at the Anandtech forums.



Intel Purley has 28 cores - Xeon E5 and E7 Slides Intel Purley has 28 cores - Xeon E5 and E7 Slides Intel Purley has 28 cores - Xeon E5 and E7 Slides Intel Purley has 28 cores - Xeon E5 and E7 Slides Intel Purley has 28 cores - Xeon E5 and E7 Slides Intel Purley has 28 cores - Xeon E5 and E7 Slides




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BLEH!
Senior Member



Posts: 6343
Joined: 2010-10-17

#5079977 Posted on: 05/25/2015 10:19 AM
448 cores, and the memory bandwidth :O

Evildead666
Senior Member



Posts: 1309
Joined: 2003-09-14

#5080060 Posted on: 05/25/2015 01:24 PM
448 cores, and the memory bandwidth :O


Um, what ? (edit : makes me think of GeForce GTX 260/275-448bit)
Edit2 : Understood finally, 448 Threads (56threads x 8 sockets).

On another note, this is Intel's reply to AMD's Opteron Zen Chip.
If AMD can get 32 cores and 64 threads, HBM + quad/octo channel memory, Intel has to reply.
HBM as a Last Level Cache would be seriously fast and wide.

From what I read in the slides (and understood), the chipset can offload encryption/Decryption, and would also be available as an add-in card...

Wonder what clockspeeds will be with so many cores...?

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