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 Navi 31 GPU Block Diagram Allegedly Leaked Detailing 3GHz Radeon Beast. by Zak Killian — Monday, November 07, 2022, 02:55 ... which is the biggest RDNA 3 graphics processor.

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 ...