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DLSS technology has been associated exclusively with Nvidia graphics cards for years. However, it looks like that might not have to stay the case. A tool called HelixSR has been developed that allows DLSS 3.7 to run on Radeon cards as well. The PC Gamer editorial team 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 technology with the Nvidia DLSS 3.7 (Model E) image-scaling algorithm. The utility makes the game still recognise FSR as active, even though it actually uses a modified DLSS implementation.
Interestingly, the calculations are performed on the standard compute units of AMD cards, without using dedicated Tensor cores found in GeForce RTX GPUs.
DLSS on Radeon. How does it fare in tests?
PC Gamer's editorial team tested HelixSR on a Radeon RX 9070 XT at 1440p. In Cyberpunk 2077, with the Performance preset, standard FSR 3.1 delivered an average of 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 were not 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 does not guarantee compatibility with all games. It also does not provide the full set of DLSS features.
It's an interesting experiment showing that Nvidia's scaling technology can work outside the GeForce ecosystem as well, although not necessarily to the benefit of performance.
Source: PC Gamer
