So from what I've just watched, PS5 seems to beat out the XSX in EVERY category except in the 120FPS mode, it has a weird portion of dips down to the 80's but only for that first part of the first track you play, the next one was a solid 120FPS while maintaining higher graphical fidelity.
XSX performed more consistently in 120 fps mode presumably because it looks like this:
This is actually really weird. Can't see how this is happening, toolkits being behind or not.
So reading this comment makes sense: "- DF theorizes this is likely a bug. They have been told the developers are looking into it."