https://wccftech.com/amd-fsr-testing-with-fp32-fallback-shows-slightly-slower-performance-on-radeon-rx-400-rx-500-and-older-nvidia-gpus/

Recently, Wccftech discussed how both Marvel Avenger's and Necromunda: Hired Gun utilize NVIDIA's DLSS and AMD's FSR technologies to upscale graphic quality and where each fell in quality or increased quality of each title. We also mentioned that the AMD FSR technology was open source, allowing anyone to view the code and essentially alter the code to see what the technology can do.

AMD FidelityFX Super Resolution