The 55 4K Ultra HD display enhances the quality of a picture that's four times clearer than regular HD1, plus more depth and shades of color. With four times more resolution than Full HD, the 4K Ultra HD screen contains over 8 million individual pixels (3,840 x 2,160). Advanced picture processing ensures that every one of those pixels displays images with superb brightness and authentic detail.The new 4K X-RealityTM PRO chip enhances HD (or lower resolution) images by analyzing and refining images with beautifully natural detail and astounding color.