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What are 4K and HDR?
A 4K picture has a resolution of about 8,290,000 pixels, which is four times that of a full high definition (2K). Even when viewed on a large screen, it achieves high-definition picture quality down to the smallest details and reproduces realistic details and textures.
HDR (High Dynamic Range) can render brightness in a range wider than normal pictures. The higher standard of brightness that can be displayed allows for high-contrast pictures, and detailed color renders.