A 4K screen has a resolution of 3840 x 2160 pixels, which is also sometimes called Ultra High Definition (UHD). This is four times as many pixels as Full HD, which has a resolution of 1920 x 1080 ...
What Resolutions Do Laptops Have Between Full HD and 4K? Do resolutions in between 1080p and UHD exist? Sure. Many gaming monitors and some laptops display at 1440p—2,560 by 1,440 pixels ...