To take advantage of AMD’s technology on your older-generation graphics card, you’ll need to make a few modifications. To put it crudely, two .dll files will have to be replaced, and a quick trip to the Windows registry will be required.
Digital Foundry carried out a few tests on Cyberpunk 2077, Spider-Man: Miles Morales and A Plague Tale: Requiem, and the gains are there for all to see. By activating FSR 3, performance could be boosted by 75%.
Beware as this is a mod and there are a few minor drawbacks. First and foremost, frametimes are sometimes random and visual defects can occur. Likewise UI related issues can also make themselves felt. It’s up to you to decide whether the game is worth the effort.