Event ·Multi-source

SemiAnalysis 实测华为 Ascend 950PR:性能约为 H100 的 44%

SemiAnalysis 拿到华为 Ascend 950PR(950PR_9579)进行实测。该芯片功耗 600W,BF16 算力中位数为 325 TFLOPS,约为 H100 的 44%、B300 的 21%,FLOPS/W 比 Hopper 低 2 倍,实际达到 A100 档位。有效内存带宽约 1.4 TB/s,低于 H100 SXM5 的 3TB/s。不过在计算密集型负载下,950PR 的 MFU 中位数达 86%,超过所有 Nvidia 芯片,内存密集型场景 MFU 为 41.5%,低于 H100 的 47%。

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SemiAnalysis 真拿到了华为 Ascend 950PR 实测:算力只有 H100 的 44%,但算子效率比 Nvidia 还高,数据很细。

11 sources71° AI heatLast updated 2026/10/22 11:30:32

Evidence

11 sources
Related source 1The Information
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Related source 2marktechpost
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Related source 3arXiv cs.LG
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Related source 4techcrunch
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Related source 5kimmonismus
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Related source 6rohanpaul_ai
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Related source 7Tech in Asia
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SemiAnalysis 实测华为 Ascend 950PR:性能约为 H100 的 44% · 事件专题 | AITOP