Intel’s 10nm Sapphire Rapids CPU Delidded, Photographed


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Intel Xeon E7 Ivy Bridge-EX die (15 core)

Intel’s is now ramping volume on its Ice Lake-SP CPU, but die pictures of its abide by-up technology, Sapphire Rapids, have previously leaked. To speedily recap: Up until eventually now, Intel’s desktop and server processors have both of those been centered on 14nm CPUs. Ice Lake-SP is Intel’s initial 10nm server products and it employs the Sunny Cove CPU main.

Sapphire Rapids is the stick to-up to Ice Lake-SP, and it’s not anticipated until eventually 2022-2023. Adhering to Intel’s nomenclature, it would be made on the 10nm system, and it’s anticipated to use the very same Willow Cove CPU architecture that powers Intel’s Tiger Lake cellular chips. The photographs underneath were released by YuuKi_AnS:

A resource has confirmed to THG that the chip is a Sapphire Rapids A2 sample, with 28 enabled CPU cores. We’re on the lookout at LGA4677, if the rumors are accurate. Ice Lake-SP uses LGA4189, but it’s not shocking for Intel to swap to a new socket at the very same time they add DDR5, PCIe 5., and chiplets. Prior leaks have also suggested at least some Sapphire Rapids items will guidance HBM memory. This would most likely be confined to certain SKUs, nonetheless, given that the HBM has to be built-in on-bundle.

Supplied that the LGA4677 socket is estimated at about 72mm x 54mm, there is no way for the chiplets over to be everything much less than substantial. Substantially greater, in truth, than just a 7-core CPU array can account for. THG’s sources declare that Intel has packaged up to 14 cores for each chiplet, for a total of 56 cores out there. This is obviously an early, engineering sample processor, so only obtaining 28 of the cores energetic would not be regarded uncommon.

One appealing big difference in between the AMD CPUs and this ES CPU is the hole — or absence thereof — between the die. On an AMD Threadripper or Epyc, there’s four unique chiplets positioned all over the I/O die:

The Intel CPU has no I/O die, while there is an Altera Max 10 FPGA off-offer. Maintaining the CPUs physically nearer with each other will lower latency and lower the power intake spent on chiplet-to-chiplet conversation.

These are engineering samples for a CPU we really do not assume to see for 18-24 months, so we’d acquire them with a shaker of salt extra so than a grain, but what we see here is broadly what we’d hope to see. Intel has beforehand stated it believes its innovative packaging technological innovation is a meaningful differentiator among alone and AMD. We’ll see if AMD pulls its Epyc chiplets again alongside one another into a clustered configuration around the following few products generations, but for now it appears like Intel and AMD may possibly go after distinctive strategies when it comes to handling intra-chip communication.

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