The display of a UHD TV versus the display of a FullHD TV. 3840 x 2160 = 8.29 MegaPixel. Also called 4K or UHD (Ultra High Definition), 1920 x 1080 = 2.07 MegaPixel. Also called FullHD. UHD is 4x the size of FullHD (2x width + 2x height)

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