What resolution screen will you need? Full HD TV offers you a 1080p Full HD resolution, consisting of 1920 pixels x 1080 (1080p), which can be up to 5x sharper than a normal TV. Ultra HD TV has 2160 pixels x 1080 resolution and when you step up to 4K Ultra HD TV, you’re looking at 3840 pixels by 2160, offering you 4x the picture resolution of Full HD. This equates to around 8 million pixels which is 4x what a 1080p screen can display.