Apple did not officially announce the memory bandwidth in the M1, but claims the M1 Max is "virtually 6x the memory bandwidth of M1." This, in idea, places the M1 at all-around 66GB/s of peak memory bandwidth. Have questions on the M1 Max chip, know of the element we ignored, https://rowannmkrx.vblogetin.com/33645544/ajm1max-an-overview