Nvidia actually used two RTX 5090s for its demos: one plays the game, the other exclusively runs the DLSS 5 technology. The use of two GPUs is required right now as DLSS 5 still has a long way to go in terms of optimisation - both in terms of performance and its VRAM footprint. However, DLSS 5 is designed for use on a single GPU and that’s how it will ship later this year.

So much easier when you can just throw 2x the hardware at things. Let’s wait and see how it works on a single card.

Also, guessing it will be set up so developers can turn it on and off as needed in their game. If they make it a user-facing global setting, it will quickly turn into a meme generator.