FSR is buggy; decreases framerate
Not a Bug
The FSR anti-aliasing option seems to be decreasing the framerate, rather than increasing, The visual cleanup seems fine though.
--Hardware--
CPU: i5-10600k 4.1GHz
GPU: RTX 3060 12GB
RAM: 16GB 2666MHz
Storage: MSI M371 1TB
I have the same bug 
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The FSR is native AA, which will have a performance cost over other AA modes. It is not an upscaler in its current state. I do hope they add FSR 3.1 but I think it will be some time before we see upscaling support.
The FSR is native AA, which will have a performance cost over other AA modes. It is not an upscaler in its current state. I do hope they add FSR 3.1 but I think it will be some time before we see upscaling support.
The FSR is native AA, which will have a performance cost over other AA modes. It is not an upscaler in its current state. I do hope they add FSR 3.1 but I think it will be some time before we see upscaling support.
The FSR is native AA, which will have a performance cost over other AA modes. It is not an upscaler in its current state. I do hope they add FSR 3.1 but I think it will be some time before we see upscaling support.
Hello Carlo de Sousa,
While FSR (especially FSR 2 and FSR 3) is primarily an upscaler, it also includes built-in anti-aliasing, typically similar to TAA. This AA process isn’t "free" — it's actually computationally expensive, especially compared to simpler AA methods like FXAA.
So when you enable the FSR anti-aliasing option, you’re adding extra GPU workload to clean up edges and reconstruct detail, particularly from motion vectors and previous frames. This can reduce performance if your GPU is already near its limits, especially at higher resolutions or in scenes with lots of movement.
Since this is not an issue, I am closing this thread.
Kind Regards,
Bartosz
Keen Software House
Hello Carlo de Sousa,
While FSR (especially FSR 2 and FSR 3) is primarily an upscaler, it also includes built-in anti-aliasing, typically similar to TAA. This AA process isn’t "free" — it's actually computationally expensive, especially compared to simpler AA methods like FXAA.
So when you enable the FSR anti-aliasing option, you’re adding extra GPU workload to clean up edges and reconstruct detail, particularly from motion vectors and previous frames. This can reduce performance if your GPU is already near its limits, especially at higher resolutions or in scenes with lots of movement.
Since this is not an issue, I am closing this thread.
Kind Regards,
Bartosz
Keen Software House
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