Unverified50% confidenceFactExact time

M4 Max芯片内存带宽高达546GB/s，是主流DDR5系统内存带宽的4倍以上

1

Sources

50%

Confidence

Long-term

Relevance

7/11/2026

First Seen

Sources

苹果全线涨价背后：AI军备竞赛如何推高你的购机成本

youtubeMarques Brownlee6/25/2026

Related Claims

VerifiedM4 Max的内存带宽可达400GB/s以上81% similar UnverifiedDDR6预计最高带宽约为256GB/s（单通道），DDR5总线位宽仅为64位80% similar VerifiedM3 Max芯片的统一内存带宽高达400GB/s，远高于传统PCIe总线约64GB/s79% similar Unverified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79% similar VerifiedDDR5内存的典型带宽为50到80GB/s78% similar

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