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What Is 4K Resolution?
Ultra High Definition(UHD)is the latest digital TV resolution with 4 times the resolution and pixels of Full High Definition (FHD). The 4K UHD is a resolution of 3840 x 2160 lines (which is still an aspect ratio of 16:9). 4K UHD has twice the horizontal and vertical resolution of the Full HD 1080p (1920 x 1080 lines) format, with four times as many pixels overall. This Ultra High Definition on the TV allows you to have larger TVs with sharper resolution.