X-Plane 11 Demo is so slow it's unusable on my system

Question

i7-3820, 3.60 GHz with 16 GB and an AMD Radeon HD7900.  Is this spec adequate?  FSX runs fine with all the settings maxed out.

Answer 1

Rendering settings in X-Plane are cumulative, so we have written a guide here on how to best adjust them for your individual system. Basically, you'll want to start with everything at minimum and adjust settings in a specific order until you reach a point where FPS becomes too low for your liking, trying to strike a balance.