AMD FSR 4.1 update leaks with big image quality gains for Radeon GPUs

First look: While FSR 4 has considerably narrowed the image quality gap between AMD's upscaler and Nvidia's DLSS, TechSpot's prior benchmarks still place DLSS 4.5 comfortably in front. A newly leaked build, however, suggests that Team Red's recent silence doesn't mean it has given up the fight.

A Guru3D forums user named "The Creator" recently shared a beta DLL file for an unannounced update to AMD's FSR upscaler. It didn't take long for users on Guru3D and Reddit to circulate mirrors and begin publishing side-by-side comparisons. The early verdict: noticeably less blur than the public release at identical frame rates.

Radeon RX 9000 owners can test what appears to be FSR 4.1 by downloading the leaked file from mirrors posted on Guru3D and Reddit. Users can then replace the "amdxcffx64.dll" file in System32, modify the Adrenalin installer executable, or load ...