Mipmaps are used to generate gradually decreasing resolution textures, often used as a way to scale textures the further away from the player's view they land. It's recommended to set a negative ...

There’s no question that the One X is more powerful than the Pro, but the Pro shows more consistent resolution scaling, higher resolutions in stressful scenes, higher quality textures ...

Things like detail and texture detail will, of course, be what you want to turn up first. Dynamic resolution scaling is a technique to enhance performance by adjusting output resolution in real-time.