Unreal Engine 5 is available as a demo starting today, and users are gravitating toward its Temporal Super Resolution feature. TSR is similar to Nvidia's DLSS in that, while advertised as an anti-aliasing technique, it vastly improves high-resolution frame rates by upscaling lower resolutions. The technology is impressive at first glance.
https://www.notebookcheck.net/Unreal-Engine-5-Temporal-Super-Resolution-promises-4K-at-the-cost-of-1080p.541444.0.html