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.

The picture, which we'll reproduce below, seems to have been taken during an AMD presentation, and it clearly shows a diagram of the Navi 31 GPU, which is the biggest RDNA 3 graphics processor.

AMD's upcoming MI250X GPU was detailed at Hot Chips 34, where we get the GPU block diagram that gives us all the good stuff in terms of specifications and details. The new MI250X features not 1 ...

AMD says that these stream processors are four times as fast as RDNA2. As you can see to the lower left block, it connects over PCIe gen 4.0. AMD Navi 31 GPU Block Diagram Leaks, indeed PCIe gen 4.0 ...