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DLSS has long been associated exclusively with Nvidia graphics cards. But it looks like this doesn't have to be the case! A tool called HelixSR has been developed that allows DLSS 3.7 to run on Radeon graphics cards as well. PC Gamer tested the solution in Cyberpunk 2077 and Alan Wake 2. The results are interesting, though not without compromises.
HelixSR is unofficial software that allows replacing AMD FSR 3.1 with the NVIDIA DLSS 3.7 (Model E) image scaling algorithm. The tool causes the game to still detect FSR as active, even though it actually uses a modified DLSS implementation.
Interestingly, the calculations are performed on AMD's standard compute units, without using the dedicated Tensor cores found in GeForce RTX GPUs.
DLSS on Radeon. How does it perform in tests?
PC Gamer tested HelixSR on a Radeon RX 9070 XT at 1440p. In Cyberpunk 2077, with the Performance setting, standard FSR 3.1 averaged 208 FPS, while DLSS 3.7 reached 198 FPS. The situation was similar in Alan Wake 2. In Quality mode the frame rate dropped from 164 to 151 FPS. At the same time, DLSS provided slightly better clarity of fine image details, though the differences weren't particularly large.
Owners of older Radeons stand to gain the most, especially the RX 5000 and RX 6000 series, which do not officially support the newer FSR 4. HelixSR can be run via a simple script, but the solution remains unofficial and doesn't guarantee compatibility with all games. It also doesn't provide the full set of DLSS features.
It's an interesting experiment showing that NVIDIA's upscaling technology can also work outside the GeForce ecosystem, though not necessarily to the benefit of performance.
Source: PC Gamer
