Ultra HD has a display resolution of 3840 x 2160 pixels, and it’s used in the vast majority of modern TVs-even those advertised as being 4K-capable. As part of this production standard, 4K also specifies the type of compression that should be used (JPEG2000), the maximum bitrate (up to 250 Mbits per second), and color depth specifications (12-bit, 4:4:4). The 4K production standard specifies a resolution of 4096 x 2160 pixels, twice the width and length of the previous standard of 2048 x 1080, or 2K. Films are produced in DCI 4K, while most TVs have a resolution that matches UHD. While 4K is a production standard as defined by the Digital Cinema Initiatives (DCI), UHD is just a display resolution. 4K and UHD Are Differentĭespite being used interchangeably by manufacturers, retailers, and consumers alike, 4K and Ultra HDR (UHD) aren’t the same. Your smartphone probably shoots in 4K, even if the massive video files aren’t worth it on a smaller display. You can also buy a UHD 4K monitor for your computer for lots of screen real estate and excellent image quality. To see the benefits, you’ll need to make sure the media you’re consuming is available in 4K UHD.įortunately, 4K UHD is everywhere, from movies and TV shows, to the latest video games. SonyĪ 1080p high-definition TV isn’t able to take full advantage of a 4K UHD image.

A 4K UHD display has roughly four times the pixels of the previous generation, which creates a cleaner, more detailed image. Commonly, 4K and UHD refer to a resolution that’s a step up from 1080p (or “full HD”).

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