720p is 921,600 pixels 1080p is 2,073,600 pixels (2.25x 720p) 1440p is 3,686,400 pixels (4x 720p) If performance scaling was linear, and given that the Steam

720p is 921,600 pixels 1080p is 2,073,600 pixels (2.25x 720p) 1440p is 3,686,400 pixels (4x 720p) If performance scaling was linear, and given that the Steam Deck targets 30fps (up to 60), any game running at 30fps is going to be dropping to roughly 13fps at 1080p at the same settings.