@IcaroSan Siga as instruções do tutorial:
https://wiki.recalbox.com/en/tutorials/video/display-configuration/complete-video-configuration-guide

Yes that's why i'm asking if it changes anything on 1080p with the new 3b+ ^^, I'm playing DragonBall Fighter Z and it's not the same in 720p ^^. I have to find a solution to play it in 1080p without input lags. If you have some idea even with something else than recalbox 😛

@trentv8 well, hard to say, but gpus that are at least 2 years old have most chances to work. But it's hard to give a complete list