AMD’s FidelityFX Super Resolution and Intel’s Xe Super Sampling are two of the most prominent upscaling options you’ll find in PC games, and for one simple reason: They work with any of the best gra
phics cards. Choosing between them isn’t simple, however. There are some big differences in image quality and performance, even with the same graphics card and the same game.
The current version of FSR — either FSR 2.x or FSR 3.x — is essentially a form of Temporal Anti-Aliasing . The key detail is the temporal aspect of FSR, which takes into account previous frames to generate details for future frames. After taking several inputs from the game engine, FSR can feed these details back through the system to achieve better image quality than what we saw with FSR 1.
AMD FSR vs. Intel XeSS: scaling modes Both FSR and XeSS have several different performance modes that determine the resolution the game will render at. The more demanding performance modes — meaning the ones that render at a lower resolution — will come with the largest performance boost, but the biggest cost to image quality. In most cases, you want to go for the highest-quality mode while still achieving the performance you’re after.
AMD FSR vs. Intel XeSS: frame generation A recent trend with upscaling features is frame generation — or more accurately, frame interpolation. AMD offers frame interpolation with FSR 3. Like the upscaling component, this works with any GPU. AMD takes two frames and compares the difference between them. That’s then fed into an algorithm that generates a frame to go in between.
Starting at 1080p with Cyberpunk 2077, it’s clear that FSR is ahead. What’s interesting is how the two tools scale with their quality modes. In the Quality mode, XeSS provided around a 15% boost, while FSR was close to 20%. In the more extreme Performance mode, XeSS saw a 48% boost while FSR went past a 58% boost. At 1080p in this mode, FSR can meet the challenge better.
While 1440p shows similar scaling, 4K is where there’s a massive difference. Here, XeSS falls off a cliff while FSR is able to maintain large jumps in performance, nearly doubling the native frame rate with its Performance mode.
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