What Is FSR?
AMD’s FidelityFX Super Resolution — how it compares to DLSS and when to use it.
July 20, 2025 · 4 min read
FSR is AMD’s upscaling technology. FSR 3/4 add frame generation and better reconstruction than early FSR versions.
Unlike DLSS, FSR works on AMD, NVIDIA, and Intel GPUs in most titles.
If you own an AMD GPU — or a game lacks DLSS — FSR is the best free performance boost available.