Verified85% confidenceFactExact time
The HBM bandwidth of the A100 GPU is approximately 2 TB/s, while the on-chip SRAM bandwidth can reach 19 TB/s, a difference of nearly 10x.
5
Sources
85%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
Related Claims
UnverifiedGPU HBM bandwidth is typically on the order of 2–3 TB/s (3.35 TB/s for H100), while the effective bandwidth of Host DRAM connected via PCIe 5.0 is only about 64 GB/s—a difference of nearly 50x.83% similarUnverifiedA100的HBM2e带宽为2TB/s80% similarUnverifiedOn-chip SRAM access bandwidth can reach hundreds of TB/s, whereas the most advanced HBM3e can only provide approximately 8 TB/s of bandwidth.79% similarUnverifiedCerebras WSE-3片上内存高达44GB SRAM，带宽达到21 PB/s，比GPU的HBM内存快约1000倍77% similar
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