Stop the stutters. Land the jumbo jets.

| Setting | FPS Before | FPS After (New Tweaks) | | :--- | :--- | :--- | | On the ground (JFK) | 18 FPS | | | Climbing out (Clouds) | 22 FPS | 48 FPS | | Cruise (Over ortho) | 45 FPS | 72 FPS |

Output/preferences/X-Plane.prf

Open it with Notepad. Look for the line: renopt_aa_samples_xp11 4

Change the number to 2 or 1 . This forces anti-aliasing to a lower level than the UI allows, freeing up VRAM instantly. While you are in there, find renopt_draw_3d_04 1 . Change the 1 to 0 to disable shadows on scenery objects (a massive CPU hog).