After last year's GitHub boo-boo, it looks like AMD is going to the right thing by open-sourcing most of FSR 4

Previous iterations of FSR (namely 3.1.5 and older) are already open-source and available on GitHub. In other words, as long ...
Hosted on MSN

AMD says FSR 4 doesn't work on old GPUs, but I forced it on anyway

AMD's FSR 4 is fantastic, but there's a big problem with it. It's only supported on two — count 'em, two — graphics cards right now. Despite being available in over 65 games, you can only use FSR 4 on ...
Club386

AMD plans to open FSR 4 upscaling to competitors, including Nvidia GPUs

AMD's new FSR Redstone tech could run on Nvidia GeForce RTX GPUs, but there's still a question mark over support for older ...
TweakTown

FSR 4 running on a Radeon RX 7900 XTX is possible, but performance takes a big hit

TL;DR: AMD's AI-powered FSR 4 significantly enhances upscaling image quality, rivaling NVIDIA DLSS. However, due to FP8-capable AI hardware requirements, it is exclusive to the RDNA 4 Radeon RX 9000 ...
TweakTown

AMD's FSR 4 running on RDNA 2 and 3 GPUs shows a 23% performance improvement over native

TL;DR: AMD's FSR 4 AI upscaling offers significant performance gains and improved image quality over FSR 3.1, especially on RDNA 4 GPUs. An unofficial INT8 FSR 4 version extends compatibility to RDNA ...