Unverified60% confidenceFactExact time
SRAM access latency is approximately 1 ns, HBM approximately 100 ns, making SRAM latency about 10–50 times lower than HBM.
2
Sources
60%
Confidence
Long-term
Relevance
7/22/2026
First Seen
Sources
Related Claims
UnverifiedWSE-3的片上SRAM容量达到44GB，SRAM访问延迟约1ns，比HBM约100ns低10-50倍82% similarUnverifiedIn the GPU memory hierarchy, SRAM is fast but has extremely limited capacity, while HBM has large capacity but relatively limited bandwidth.67% similarUnverified片上SRAM提供了远超HBM的访问速度和带宽，消除了芯片到外部内存之间的数据搬运瓶颈67% similarUnverifiedGPU HBM has the lowest access latency but limited capacity and the highest cost; CPU DRAM has larger capacity but access requires passing through the PCIe bus with significantly increased latency; the bandwidth gap between different tiers often reaches more than an order of magnitude.66% similarUnverified纯内存操作的延迟通常比向量数据库方案低1-2个数量级，Redis等内存数据库的P99延迟可控制在1ms以内，而远程向量检索往往需要10-100ms66% similar
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