Some terms like DLSS and FSR that appear in certain games can be confusing. Are there significant differences between them in terms of performance, image quality, and supported hardware? How do both of these technologies work? It seems like some kind of optical trick, but could you explain them in a bit more detail?
What are the differences between DLSS and FSR?
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Comparing DLSS and FSR is the best way to see how these two tackle the same problem—"sacrificing a bit of image quality for better performance"—but in completely different ways.
DLSS is Nvidia’s proprietary, AI-enhanced solution. It uses a custom neural network trained on supercomputers, analyzing in-game scenes to predict and reconstruct the finest details, almost like it’s "seeing the future." Features like DLSS 3’s frame generation take performance to another level, pushing FPS higher than what’s possible with traditional methods. The biggest downside? It’s locked to Nvidia GPUs and supported games, requiring retraining on supercomputers for every new title.
FSR, on the other hand, is AMD’s open, hardware-agnostic lifesaver. It works on everything from older AMD cards to the latest RX 7000 series, even delivering solid results on RDNA 2. Instead of relying on heavy AI predictions like DLSS, FSR takes a more straightforward approach: it renders at a lower resolution and upscales to your display resolution. While this means FSR’s quality loss isn’t as minimal as DLSS’s in some cases, improvements in FSR 3 (combining FSR 2 + frame generation) have closed the gap. Performance gains are still behind DLSS, but FSR is the universal choice for gamers with non-Nvidia GPUs. In short, DLSS is Nvidia’s "best performance" prescription, while FSR is the flexible, open alternative for everyone else.