i use obs to record videos from some of the games i play, tell me if ya see any flicker, yes this is in x11 with an amd apu (ryzen 7 4700U) tearfree is on and i also use picom for compositing.
https://i.poastcdn.org/0b86d241ed10cce051018ca9260f87ff9fad44040a3445c868d9809b090d2956.mkv