Unless they’re poorly written, native games will always run better. The GTA IV PC port is fine.
The reason this is being asked is because the PC port for GTA IV was notoriously broken. There is a popular set of patches and mods that will improve that and I know they come bundled in the fit girl repack but it’s one of the ones that won’t play nice with WINE during installation.
It runs fine on the Deck. I suspect Proton is the difference, as it’s much better tuned for gaming vs. stock Wine.
It’s not an FPS problem, it’s a visual fidelity problem stemming from a bad port.
If using the PC port definitely get the mods that fix the FPS lock but make sure to set cut scene frames to around 30 or else it breaks the game
native version, even on linux it runs flawlessly with great performance. GTAIV isn’t considered playable under RCPS3.
