Interesting numbers, 6400 DDR5 makes a fair bit of difference over DDR4 when RT is being used in Spiderman, At 1440P the 12900K using DDR5 has a 22FPS lead over the 5800X3D but is 4FPS slower than the 5800X3D when using DDR4.
Fascinating, so ddr5 improves performance by 30% over ddr4 and PCIE 4 improved performance by 10% over pcie3
That's some good motivation for gamers with old amd boards to upgrade for Zen4 as you won't just be getting a faster CPu but faster memory which is starting to play a role in game performance