DCI Digital Cinema System Specification Comparison of DCI and UHD resolutions While typically referring to motion pictures, some digital camera vendors have used the term '4K photo' for still photographs, making it appear like an especially high resolution even though 3840×2160 pixels equal approximately 8.3 megapixels, which is not considered to be especially high for still photographs. The terms '4K' and 'Ultra HD' are used more widely in marketing than '2160p'. : 2 Several different 4K resolutions have been standardized by various organizations. The term '4K' is generic and refers to any resolution with a horizontal pixel count of approximately 4,000. The 4K television market share increased as prices fell dramatically during 20.Ĭomparison of common broadcast resolutions Comparison of common display resolutions 4K standards and terminology In television and consumer media, 3840 × 2160 (4K UHD) is the dominant 4K standard, whereas the movie projection industry uses 4096 × 2160 ( DCI 4K). Digital television and digital cinematography commonly use several different 4K resolutions. Video or display resolutions with a width of around 4,000 pixelsĤK resolution refers to a horizontal display resolution of approximately 4,000 pixels.

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