AMD last month launched its technique called FSR, which improves PC gamers' performance in certain games through upscaling from lower to a higher resolution. Although this technique can be used on both AMD and Nvidia graphics cards, the SFO went relatively unnoticed after launch.
The technique was supported by only a few games such as Dota 2 and Godfall, while on the other hand Nvidia’s DLSS is supported in Red Dead Redemption 2, Doom Eternal, Rainbow Six Siege, No Man’s Sky, Metro Exodus, and many other games. For now, it’s pretty clear which camp is in the lead.
However, AMD's FSR got a significant "wind in the back" by announcing that in the future it will be natively installed in two frequently used drivers - Unreal Engine and Unity. Currently, FSR is supported in the beta version of Unity and as an update for registered developers using Unreal Engine.
This does not mean that all games in Unity and Unreal will automatically support FSR, but the implementation of this technique in games in the future should be faster and less demanding for developers. Just keep in mind that this will apply predominantly to future games developed at Unity and Unreal - the older ones would need to be updated for SFO to be used in them.
If you want to see how much your graphics benefit from FSR, AMD has prepared a small tech demo that you can download on this page.