Unverified50% confidenceFactExact time
NVIDIA H100搭载的HBM3提供约3.35TB/s内存带宽，而DDR6预计单通道最高带宽约256GB/s
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
Related Claims
UnverifiedGB300 集成 HBM3e 高带宽内存，单卡容量高达288GB，内存带宽超过10TB/s85% similarUnverifiedNVIDIA H100的HBM3显存带宽高达3.35TB/s，而Ryzen AI Halo受限于LPDDR5x带宽通常在100-300GB/s量级83% similarUnverified单颗HBM3e堆叠最大容量目前约36GB，DDR5总线位宽仅为64位而HBM可达4096位83% similarVerifiedHBM3e单栈带宽可达1.2TB/s，相比传统GDDR6带宽可达4-9倍81% similarUnverifiedNVIDIA H100的HBM显存带宽约为3.35 TB/s，在自回归生成任务中利用率往往不足10%81% similar
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