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submitted 2 days ago by alessandro@lemmy.ca to c/pcgaming@lemmy.ca

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[-] ShinkanTrain@lemmy.ml 3 points 2 days ago* (last edited 2 days ago)

Source is RDNA3 not being able to handle FP8 on any OS. It just can't do FSR4.

There is an unofficial INT8 version of FSR4 that was leaked from AMD that works on RDNA3, but it's a lot slower, and FSR4 is already pretty heavy.

[-] who@feddit.org 2 points 2 days ago

Would FP8 be exposed as the VK_KHR_shader_float8 vulkan extension?

this post was submitted on 18 Nov 2025

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