High Bandwidth Memory: HBM3 is twice as fast as HBM2e, up to 819 GB/s per stack

In numbers, an HBM3 stack can reach 819 GB/s of bandwidth and have 64 GB of capacity. In comparison, the HBM2e stacks used by the AMD MI250 have half the bandwidth, 410 GB/s, and a quarter of the capacity, a mere 16 GB.





from TechSpot
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