Ultra high definition television (also UHDTV or UHD, and Super Hi-Vision in Japan) represents digital video formats used for displays that have an aspect ratio of at least 16:9 and at least one digital input capable of carrying and presenting native video at a minimum resolution of 3'840 x 2'160 pixels. Two resolutions, 4K and 8K, are defined as UHDTV 4K is 3840 pixels wide by 2160 pixels tall (2160p, 8.3 megapixels), which is 4x larger than the current HDTV (high-definition television) standard of 1920 x 1080 (2.1 megapixels). 8K is 7680 pixels wide by 4320 pixels tall (4320p and 33.2 megapixels), which is 16x more pixels than current 1080p HDTV.
Also known as: Ultra High Definition Television