AMD’s RDNA 4 Cards Get FSR Redstone, Bringing Machine Learning To Upscaling

RX 9070 XT, RX 9070 And RX 9060 Owners Can Try FSR Redstone On A Number Of Games

AMD’s FSR Redstone is made up of several features including FSR Radiance Caching, FSR Ray Regeneration, FSR Frame Generation and FSR Upscaling 4.  Of the four, FSR Upscaling 4 is not really new but just an update to FSR Upscaling 3.1, though it is still only available for RDNA 4 owners.  The reason for that is the use of machine learning upscaling, which older hardware can’t support, though games can support it with a simple DLL update.

FSR Radiance Caching improves both the quality and performance for indirect lighting and global illumination.  It’s still going to lag behind NVIDIA’s hardware but FSR Redstone gets you much closer.  FSR Ray Regeneration is intended to reduce the number of traced rays and paths generated without reducing image quality.  This is where the magic of machine learning is featured, as an ML-backed denoising algorithm cleans up your image, filling in the blanks left by the reduction of generated paths.

We don’t have any benchmarks apart from the ones provided by AMD, but expect that to change soon.