Been playing the PC version. I have a 2080 Ti, i5 10600K, 16GB 2666MHz DDR4. 550 MB/s SATA SSD. High settings with the exception of Ray Traced Reflections on Very High, not using RT shadows, 1080p (no DLSS).
My performance is around 70 FPS, never drops below 60. Going through rifts during cutscenes, like in the beginning of the game, causes the game to stutter and have Ratchet floating around mid-rift for a little bit. It's not something that gets in the way of gameplay though, and I know I'm not using the preferred drive for it, so I'm not very bothered by it.
What I am bothered by is all of the graphic artifacting/glitches while using Ray Tracing settings. I had to use Very High RT because the High setting had some horrible blocking, like something you'd see in a heavily compressed video. Reflections in water flicker on and off depending on camera position/movement. I haven't used the RT Shadows but I've seen them used in that DF video and it's in a pretty poor state.
I do have to say, I really like DLAA. It is what I have been waiting for in an anti-aliasing solution for a long time. Ever since MSAA stopped being used, all of the AA settings tend to aggravate me. They all look either too blurry or too shimmery, but this DLAA looks insanely good. I obviously can't compare it to MSAA without it being in the game as well, but it does look very close to not using AA at all, with smoother edges. I'm hoping more devs add this in the future!
I would suggest that, until it gets patched, to not use any ray tracing features. I'm using RT Reflections just because I have already played the game before on PS5 and so this isn't exactly my first impression of the game... it's something I can overlook easy enough. If you're trying to get a stable graphics experience though, just don't use them until the game is updated to fix these issues.