[Rohansi]

Assuming you're referring to Apple Silicon's memory bandwidth, that is not necessarily because the memory is on-die. The bandwidth comes from having more channels to access memory. This gives the SoC a wider bus to increase throughput vs. your typical x86 system with two channels. For whatever reasons Intel/AMD decided that two channels is all the typical consumer chips can support now so it's on them.

[dehugger]

Ah I see, thanks for breaking it down.

[Melatonic]

On laptops right? Weve seen more channels for years elsewhere

[Rohansi]

Yes, on laptops, but even on most desktops now too. Higher number of channels is getting more limited to server systems.