Latest FSR 4 source code ‘leak’ lets you run AMD’s AI upscaling tech on nearly any GPU — no Linux required

The latest version of AMD’s FidelityFX, typically known as FSR 4, delivers a markedly superior result to FSR 3, making it a big win for those who can run it. But that privileged group is limited to folks with AMD Radeon RX 9000 series GPUs based on the company’s RDNA 4 architecture. Or is it? As it turns out, you can actually run FSR 4 on nearly any GPU, thanks to AMD itself leaking the source code last month.

Strictly speaking, this isn’t exactly ‘new’ news. As far back as June of this year, people…