Apple didn't officially announce the memory bandwidth with the M1, but claims the M1 Max is "virtually 6x the memory bandwidth of M1." This, in concept, puts the M1 at all-around 66GB/s of peak memory bandwidth. The M1 Max may be the strongest piece of bespoke silicon we have however https://ajm-slot42952.win-blog.com/8013942/ajm-slot-an-overview