SK Hynix mentions first details of HBM3 graphics memory: does at least 665 GB/s per chip

by Hilbert Hagedoorn on: 06/10/2021 09:47 AM | source: | 7 comment(s)

It has been silent in regards to HBM memory. There has been an intermediate step for hbm2 called hbm2e, but little is known about HBM3. SK Hynix made some announcements sthough.

HBM is on-package memory, merged towards the say GPU with the help of IO routes and interconnects. We all know the history of HBM and HBM2, HBM2e memory these days already offers a bandwidth of 460 GB/s per stack of chips, good for 3.6 Gbit/s per pin. The maximum capacity of a single hbm2e chip is 16 GB. While hbm3 standard has not yet been fully established, according to the manufacturer's site, such chips are currently under development and will become effective.

SK Hynix mentions that the new memory type can reach a speed of 665 GB/s or greater, which is almost 45% faster than the currently fastest hbm2e memory. The speed per pin is 5.2 Gbit/s, an increase of 44% compared to the 3.6 Gbit/s that hbm2e achieves per pin.

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schmidtbag
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#5919382 Posted on: 06/10/2021 02:21 PM

Hasn't HBM largely been abandoned at this point? Unless I'm mistaken, I don't think either AMD or Nvidia are using HBM in their current workstation or server GPUs.

cucaulay malkin
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#5919385 Posted on: 06/10/2021 02:29 PM

they are

GeniusPr0
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#5919389 Posted on: 06/10/2021 02:35 PM

I like it. We get these cute little PCBs. Probably ideal for SFF.

Undying
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#5919390 Posted on: 06/10/2021 02:36 PM

Fury/Vega was the last HBM consumer cards. I dont think we'll see it again.

Richard Nutman
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#5919399 Posted on: 06/10/2021 03:10 PM

Intel's Sapphire Rapids platform is going to have HBM support.
I would not be surprised to see HBM memory on DataCenter/Server platforms from Intel/AMD in the future for specific workloads.

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