Poor Gaming Performance On A Fresh Xfce Install

[Melways]

Xfce is not the best DE for gaming. Plasma (also known as KDE) could be better. Maybe gnome?

According to @joekamprad in this thread (post 13):

Horrible performance with Nvidia

Hello! Ever since i switched to a Nvidia 1060 3GB i’ve been getting really bad performance out of it with weird bugs in almost every game, and none of that behaviour is present when playing the same games in Windows. Fps drops to single digits when changing in game resolution, overblown gamma when the game resolution doesn’t match the monitor resolution, memory leak like behaviour (FPS gradually dropping when certain UI elements are displayed and removed in game)… I installed the driver using…