Nvidia DLDSR: Reduce (!) The image using Tensor colors

A few years ago, both Nvidia and AMD came up with a feature that allows the image to be rendered at a higher resolution (than the display) and then reduced to the display resolution using a suitable filter. This solution is suitable where the system achieves many times higher performance than what is needed for continuous display. As a model, these are cases of more powerful graphics cards and old and undemanding games.

That’s when the question arose as to how to use the excess power to increase image quality when the settings in the game are already at maximum. So there was a variation on oversampling, an anti-aliasing method based on a simple rendering at a higher resolution and then reducing the image to the monitor resolution.

Now Nvidia returns to this idea, but with the difference that the actual reduction of the image is done using Tensor cores (AI). As a result, 2.25x higher default resolution will be sufficient with DLDSR to achieve comparable quality to the original DSR at 4x higher resolution, so higher performance will be achieved. In other words, DLDSR should be used even in situations where DSR performance was insufficient.

It should be added, however, that the Tensor Cores requirement reduces the range of compatible hardware (such as the GeForce GTX 16xx) to the GeForce RTX 20×0 and RTX 30×0. DLDSR will be available in drivers coming up later this week.

Source: Diit.cz by diit.cz.

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