Unverified60% confidenceFactExact time
The M4 Max chip has a memory bandwidth of up to 546 GB/s, more than 4 times the memory bandwidth of mainstream DDR5 system memory.
2
Sources
60%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Behind Apple's Across-the-Board Price Hikes: How the AI Arms Race Is Driving Up Your Purchase Costs
youtubeMarques Brownlee6/25/2026
Related Claims
VerifiedM4 Max的内存带宽可达400GB/s以上81% similarVerifiedThe unified memory bandwidth of the M3 Max chip is as high as 400GB/s, far exceeding the approximately 64GB/s of a traditional PCIe bus79% similarUnverifiedThe current maximum capacity of a single HBM3e stack is approximately 36 GB, the DDR5 bus width is only 64 bits, whereas HBM can reach 4096 bits.79% similarVerifiedThe typical bandwidth of DDR5 memory ranges from 50 to 80 GB/s78% similarUnverifiedThe M4 Max of the same name comes in two bandwidth variants—410 GB/s and 546 GB/s—and the M5 Max exists in 460 and 414 versions.78% similar
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