Native 4K not worth it.

[Qwark]

Native 4k can be a huge improvement if the game is designed with it in mind. But 4k doesn't add much if the textures and everything around does not have that same resolution. I agree though that an optimised game for 1440p with better lighting, vfx, shadows etc. is better than rendering a 2.5k at 4k because it can sell a bit better. Checkerboard 2160p or 1440p is sharp enough for TV screens.