Apple did not formally announce the memory bandwidth from the M1, but states the M1 Max is "practically 6x the memory bandwidth of M1." This, in principle, puts the M1 at all around 66GB/s of peak memory bandwidth. Intel previously reported that its new significant-stop Core i9 processor is quicker https://ajm-slot63184.theobloggers.com/34213420/a-review-of-ajmslot