This Seeking Tech article compares the PS5 and PS5 Pro versions of Resident Evil 7: Biohazard with ray-tracing enabled.
You can check out the video below:
There does not appear to be much difference between the two versions. Both run at 60 fps even in ray-tracing mode.
Keep in mind that RE7 does not have an official PS5 Pro Enhanced patch. So, it is currently running with using the Game Boost feature of the Pro console.