Overview: FSR 4 reaches older RDNA cards via a mod AMD’s FidelityFX Super Resolution 4 (FSR 4) has generated curiosity far beyond its officially supported hardware. After AMD accidentally released the source code, hobbyists and modders compiled DLLs that inject FSR 4 into GPUs not originally supported, including RDNA 2 (Radeon 6000) and RDNA 3…