NVIDIA impressed the world with the official presentation of the graphics GeForce RTX 4080 and RTX 4090However, some seem to have been unclear on how support for DLSS
NVIDIA impressed the world with the official presentation of the graphics GeForce RTX 4080 and RTX 4090However, some seem to have been unclear on how support for DLSS 3, the third-generation AI-powered supersampling technology, will work, given that only Ada Lovelace supports it.
What if you run a game that has DLSS 3 implemented, but you have a GeForce RTX 20 (Turing) or RTX 30 (Ampere) graphics? The green giant stepped out to explain that users have nothing to worry about, or at least no reason to pull their hair out because video games that support DLSS 3 should also be compatible with DLSS 2which could be activated together with Reflex on the Ampere graph.
OFA has existed in GPUs since Turing. However, it is significantly faster and better in Ada, and we rely on it in DLSS3.
The origin of the lack of DLSS 3 compatibility with generations prior to Ada Lovelace comes from the fact that the GeForce RTX 40 graphics include a hardware feature called Optical flow accelerator. NVIDIA explained that the Optical Flow Accelerator feeds the DLSS 3 Frame Generation neural network with pixel motion data from subsequent frames, generating new frames on the GPU to ensure performance even in CPU-dependent games.
Because then customers would feel that DLSS3 is laggy, has poor image quality and does not increase FPS.
While it is true that the Ampere generation includes an optical flow accelerator, Bryan Catanzaro, NVIDIA’s vice president of applied deep learning research, announced via Twitter that the technology has received significant improvements at Ada Lovelace and that , even if it were possible to run DLSS 3 on top of Ampere, the performance would not be optimal.
In short, users don’t have to worry about developers announcing DLSS 3 compatible games, as these titles should also support DLSS 2, the RTX 20 and RTX 30 compatible version of the technology.
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