Initially believed to launch towards the end of 2021, AMD's alternative to the Nvidia DLSS technology could arrive in June, but only for PC gamers. According to Youtuber Coreteks, AMD's FSR will be based on a software-level algorithmic super sampling approach that is easy to implement by game developers and also works on non-AMD hardware like Nvidia GTX and possibly even Intel GPUs.
https://www.notebookcheck.net/AMD-FidelityFX-Super-Resolution-rumored-to-launch-in-June-with-software-based-algorithmic-super-sampling-that-works-on-non-AMD-GPUs.537774.0.html