AMD’s HBM4 data rate trails Nvidia’s 10.7 Gbps per pin claim
zephyr_z9 · x · 2026-07-24
A post comparing AMD and Nvidia’s HBM4 specs says Nvidia’s HBM4 reaches 10.7 Gbps per pin, while AMD’s comes in at 7.5 Gbps per pin.
The image also shows AMD’s Helios Compute Architecture slide for Instinct MI455X, highlighting 432 GB HBM4 capacity, 23.3 TB/s bandwidth, and a 2nm / 3nm process claim.
Related event: AMD MI455X Early Tests Reveal 23.3TB/s HBM4 Bandwidth(2 posts)→
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