WCG technology allows a TV to display up to a billion different colors. In terms of color, the average TV offers significantly less color variation than one with WCG technology. You can check out the Vizio V505 for an example of a 4K TV with HDR. The increase in pixels helps images appear sharper. On the other hand, 4K TVs use roughly 4,000p, roughly doubling the pixel density. The standard TV uses about 1080 pixels (p) across the screen. The pixels within a TV light up based on the image shown. To understand each of these terms, consumers will have to think about how the images on the screen are created. High-dynamic-range (HDR) TVs typically come with 4K definition and wide color gamut (WCG) technology.
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