This Seeking Tech article compares the PS5 and PS5 Pro versions of Resident Evil 4 Remake. Both are running in Resolution mode with Ray Tracing enabled.
You can check out the video comparison below:
Resident Evil 4 Remake runs at a smoother 60 frames per second on the Pro console when compared to the standard PlayStation 5.
If you have a 120 Hz screen, then the game uses PlayStation Spectral Super Resolution (PSSR) and can run beyond 60 fps.