SONY 4K ULTRA HD TV

4K, also known as Ultra HD, refers to a TV resolution of 3,840 x 2,160 pixels. That’s four times as many pixels than in a full HD TV, a total of about 8.3 million pixels. Having so many pixels means a higher pixel density, and you should have a clearer, better defined picture. It’s not necessarily about sharpness, but about letting more detail and texture through.