[khalic]

250GB/s on unified memory? That doesn’t sound right, it’s very low

[speed_spread]

It's still regular CPU memory, based on DDR. It's 256 bits wide but it's not GDDR. Unified just means that the CPU and GPU use the same physical memory bank. It does not make memory magically faster.

[hedgehog]

What gets more?

[robotswantdata]

12 channel DDR5 6400, 614GB/s peak theoretical

[khalic]

From memory, a mbp m5 128gb is around 800