Apple didn't formally announce the memory bandwidth from the M1, but states the M1 Max is "virtually 6x the memory bandwidth of M1." This, in principle, puts the M1 at about 66GB/s of peak memory bandwidth. Current Mac applications which have not nonetheless been current to Universal will run seamlessly https://ajm-slot75295.webdesign96.com/28615629/not-known-details-about-ajm1max