In the past, it was super easy to find a block diagram illustrating that architecture on the Web. For Windows 10, I can't find anything. I've found subsystem diagrams, Windows 7 or earlier ...

Systems are often designed using a system block diagram that considers the ‘input, process and output’ close input, process and output The series of events that makes a system. of a system: ...

The diagram notes it will also support that slower memory type too. When using LPDDR5 it supports up to 64GB of RAM. That's bumped up to 96GB when using DDR5-5600.

Another block diagram of a more official nature leaked, this one holds the X570 chipset breakdown alongside the specs and Ryzen 3000. It's clear already that Ryzen 3000 CPUs (Matisse) and the X570 ...

The new block diagrams are courtesy of leaker Olrak. AMD's next-gen Navi 31 and Navi 32 will reportedly be MCD (multi-chip designs) while Navi 33 will continue on being a monolithic GPU design.