In essence, it’s just a better version of common temporal anti-aliasing (TAA) modes so doesn’t provide a performance boost but does improve image quality. The addition of DLSS 3 is when DLSS ...
Above, you can see the Performance mode of DLSS 3, FSR 3.1, and TAA outputting to 4K. It’s pretty clear that DLSS looks the best. It’s sharper, and it doesn’t struggle with instability on ...