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5K

A resolution of 5120 × 2880 pixels.

This resolution, commonly referred to as 5K or 5K × 3K, has a 16:9 aspect ratio and 14,745,600 pixels. Although it is not established by any of the UHDTV standards, some manufacturers such as Dell have referred to it as UHD+. It is exactly double the pixel count of QHD (2560 × 1440) in both dimensions for a total of four times as many pixels and is 33% larger than 4K UHD (3840 × 2160) in both dimensions for a total of 1.77 times as many pixels. The line count of 2880 is also the least common multiple of 480 and 576, the scanline count of NTSC and PAL, respectively. Such a resolution can vertically scale SD content to fit by natural numbers (6 for NTSC and 5 for PAL). Horizontal scaling of SD is always fractional (non-anamorphic: 5.33...5.47, anamorphic: 7.11...7.29).

The first display with this resolution was the Dell UltraSharp UP2715K, announced on September 5, 2014. On October 16, 2014, Apple announced the iMac with Retina 5K display.

DisplayPort version 1.3 added support for 5K at 60 Hz over a single cable, whereas DisplayPort 1.2 was only capable of 5K at 30 Hz. Early 5K 60 Hz displays such as the Dell UltraSharp UP2715K and HP DreamColor Z27q that lacked DisplayPort 1.3 support required two DisplayPort 1.2 connections to operate at 60 Hz, in a tiled display mode similar to early 4K displays using DP MST.

Key Terms

definition
dell ultrasharp up2715k
dimensions
displayport
hz
pal
resolution
support
times many pixels
total

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Synonymns

5K
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Sources & Credits

Last modified on May 27 2020
Content adapted from Wikipedia
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