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 ...

Could gamers with an older AMD GPU one day get access to FSR Redstone?

AMD's new FSR Redstone upscaling suite is a major upgrade over FSR 3, but it's currently only available on the latest RDNA 4 ...
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 ...