M1 Max also provides a better-bandwidth on-chip fabric, and doubles the memory interface as opposed with M1 Pro for up to 400GB/s, or just about 6x the memory bandwidth of M1.Along with the ?M1?, obtainable memory maxed out at 16GB, although the ?M1? Max supports as much as 64GB. It also provides nearly 400GB/s memory bandwidth, 2x over the ?M1 Pro