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.

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.

AMD Ryzen 4000H Renoir Block Diagram Confirms GPU PCIe 3 Limitation For Gaming Laptops by Paul Lilly — Thursday, July 23, 2020, 11:03 AM EDT Comments ...

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 ...