Unverified50% confidenceFactExact time

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

1

Sources

50%

Confidence

Long-term

Relevance

7/14/2026

First Seen

Sources

苹果M7 Ultra芯片曝光：1.5TB统一内存能否重塑本地AI推理格局

Related Claims

Unverified目前单颗HBM3e堆叠最大约36GB84% similar UnverifiedNVIDIA 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/s83% similar UnverifiedDDR6预计最高带宽约为256GB/s（单通道），DDR5总线位宽仅为64位82% similar UnverifiedGB300 集成 HBM3e 高带宽内存，单卡容量高达288GB，内存带宽超过10TB/s79% similar VerifiedHBM3e单栈带宽可达1.2TB/s，相比传统GDDR6带宽可达4-9倍79% similar

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