For example, for Fortnite, many streamers decide to stream at 1280x720 60 FPS at 6,000 Kbps, down from 1920x1080. If you reduce the resolution, you reduce the data being encoded, and the resulting viewer quality is better. High motion content cannot be compressed as much, and can suffer from more artifacting (encoding errors) that make your stream look “blocky”. Racing games, FPS games, etc.) we highly recommend reducing your resolution.
If you are going to stream high motion scenes (i.e.