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.

A newly leaked block diagram however confirmed this to be PCE ... The 384-bit GDDR6 memory interface on the GPU is made up of six of these. The GCD has six Shader Engines, and each one has 16 ...