Unverified50% confidenceFactExact time
A100 GPU的HBM带宽约2TB/s，而片上SRAM带宽可达19TB/s，相差近10倍
1
Sources
50%
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% 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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