Apple failed to officially announce the memory bandwidth in the M1, but states the M1 Max is "virtually 6x the memory bandwidth of M1." This, in principle, puts the M1 at close to 66GB/s of peak memory bandwidth. Checking out the main points isn't going to simplify the discrepancies. Nevertheless, https://cruzbaxur.therainblog.com/27575815/examine-this-report-on-ajm1max