You can find a screenshot comparing the game with and without the mod above. 'To accomplish this, I have replaced the albeit high-resolution, and some unnecessarily compressed dxt5 textures with dxt1 textures with lower resolution textures retain an acceptable appearance,' the mods creator says. The 'Fallout 4 Texture Optimization Project,' as the mod is being called, attempts to improve the framerate (FPS) of Fallout 4 by slightly sacrificing some of the game's visual fidelity. A new mod for Fallout 4 has been created in attempt to improve the framerate of the PC version of the game.