Apple M1/M2 memory bandwidth:
Apple M2 Ultra : 1024-bit? LPDDR5? SDRAM 800GB/s
Apple M2 Max : 512-bit LPDDR5 400GB/s
Apple M2 Pro : 256-bit LPDDR5 200GB/s
Apple M2 : 128-bit LPDDR5 SDRAM 100 GB/s
https://en.wikipedia.org/wiki/Apple_M2
https://www.macworld.com/article/147553 ... m-av1.html
Apple M1 Ultra : 1024-bit LPDDR5 SDRAM 800GB/s
Apple M1 Max : 512-bit LPDDR5 SDRAM 400GB/s
Apple M1 Pro : 256-bit LPDDR5 SDRAM 200GB/s
Apple M1 : 128-bit LPDDR4X SDRAM 66.67GB/s
https://en.wikipedia.org/wiki/Apple_M1