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 ...
A 4K Ultra HD TV’s pixel resolution is a 3,840 x 2,160 grid in a 16:9 aspect ratio, resulting in nearly 8.3 million pixels. This increase in density adds striking detail and realism to an image ...