You'd have to see what you could change with system actions. Maybe changing the view size might do that, but you'd probably have to change the zoom to compensate so things appear the same size to the player. The question is would that affect the performance at all.
No, I don't think this will help the gaming performance and just make it complicated. I'll just leave it as it is for now. Since there is still no options for this. Thanks anyways XD.