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  1. JohnRice

    Home Theater United 24 - Todd Erwin and Neil Middlemiss return

    4K and Ultra HD (or UHD) are the same thing, 2160x3840. UHD means Ultra High Definition, as opposed to regular HD which is 1080x1920. HDR means high dynamic range, expanded brightness and color gamut, which is only available in 4K.
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