What I learned about rendering (consider before buying)
A true 4k 60fps requires a very high end pc (2,500$) that's unaffordable to most. What next-gen pcs and consoles do is it renders the game on 2k or even 1080p and upscales it to 4k using AI, which allows a true 60fps compromise
Now they all say GTA VI will run at 30fps on launch.
Doesnt mean the game runs at 30fps its rounded to be so, the native game hits around 35-40fps, but such fluctuations would make your game lag so the game cuts it to 30fps. Unless you have VRR on your monitor and the option toggled on your ps5, which allows to display the fluctuations without freezing or lagging.
What the ps5 pro allows with this extra GPU is to make the game runs a bit better, meaning perhaps 40 to 50fps and caps it to 40fps.
Now believe me if you run it at i.e 40-50 or 35-40 on your monitor it will feel a bit stuttery, because in a 30/40fps locked setting every frame comes at the same interval, that's what we call a consistent/even frame pacing. But since you want to enable vrr and play at 40-50 or so fps the pacing will be totally uneven and you will feel it a bit less smooth than 30fps.
Even a well laced 20fps feels smooth.
So, your choice ...but for a 10fps difference I wouldn't bother.
The only remaining "game changer" is a better AI upscaling (PSSR) thanks to the added GPU power, which you might only notice on your 4k 55 inch TV (since you get less pixel density on larger devcies)
That's why I am not convinced (and yes I don't believe that water cyberpunk image comparison) because it's all AI, not even the original game just a predictional algorithm that guesses hoe the game should look.
You will get 10 more fps but who plays a game at 40fps anything lower than 60fps is SLOW and not how you enjoy a game. A movie sure but not a game (even if well paced 20fps might feel smooth its still 20fps meaning your character will feel slower)
Only case scenario where it might be worth it is if a game is really demanding and can only play on 1080p 60fps, and a better gpu might allow for 1440p 60fps (both upscaled to 4k) meaning you gett much more details, but most well optimized game run at 60fps on 1440p although exceptions exists such as:
Wukong, Jedi Survivor (Fallen Order was well optimized in comparison), Silent Hill 2 and 'f', Crimson Desert, Hellblade 2, Crimson desert, Lords of the fallen, MH Wilds, Dragon's Dogma 2, Avatar, FF:VII Rebirth, Alan Wake 2 and more
All of these are either next gen breakthroughs (new motion tracking, newer ray tracing, newer physics etc) or not well optimized games because the devs lacked dedication
Either way I think this is gonna keep going, devs are going to lazy optimize (unless they wanna run their shit on nintendo, lol.) or use newer ray tracing/hdr/physics engines and regular ps5 users are going to cope with 30fps, VRR, or 1080p 60fps (upscaled to 4k) which means less details.
I hope the situation will get better and those devs will dedicate a full budget to optimizing their games for ps5 users.
The Financial Reality: Optimizing a game down to a native 1440p/60FPS target on a base console takes months of highly paid engineering labor. When publishers push tight deadlines, cutting internal resolutions down to 1080p or 720p and letting an automated upscaler (like AMD FSR or PSSR) "fix" the image is a massive shortcut that saves studios millions of dollars.