When we initially looked at the second generation of AMD’s FidelityFX Super Resolution technology, we came away impressed. It was a tremendous upgrade over the spatial upscaling method used by the original “1.0” version of FSR, and we recommended using it when you’re severely GPU-limited and don’t have alternatives available.

A comparison

Source: Hot Hardware – AMD’s FidelityFX Super Resolution 2.2 Busts Ghosts And Cleans Up Blurry Game Pixels