When you set your console resolution to 4K UHD, everything on the console—Home, games, and apps—will display at 4K. ... Games on Xbox One S also get upscaled to 4K. While typically smoother and more detailed than native 720p or 1080p, upscaled 4K is not as rich and detailed as native 4K.

Can Xbox Series S upscale to 4K?

The Xbox Series S, by virtue of its lower specification, does not run in native 4K. The default setting for this console is 1440p (also known as Quad HD). However, the Xbox Series S is capable of upscaling games to 4K resolution when connected to an ultra HD display.

Can 1080p upscale to 4K?

For a 1080p image to fit a 4K display, it needs to gain 6 million pixels through the upscaling process (at which point, it will become a 4K image). However, upscaling relies on a process called interpolation, which is really just a glorified guessing game.