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The resolution 3840 × 2160, sometimes referred to as 4K UHD or 4K × 2K, has a 16:9 aspect ratio and 8,294,400 pixels. It is double the size of Full HD ( 1920 × 1080 ) in both dimensions for a total of four times as many pixels, and triple the size of HD ( 1280 × 720 ) in both dimensions for a total of nine times as many pixels.
Early 1440p computer displays became commonly available in 2010. Dell's UltraSharp U2711 monitor was released in 2010 as WQHD, with a 1440p widescreen. [1] The 27-inch Apple LED Cinema Display released in 2010 also had a native resolution of 2560 × 1440, as did the Apple Thunderbolt Display which was sold from July 2011 to June 2016.
The following is a comparison of high-definition smartphone displays, containing information about their specific screen technology, resolution, size and pixel density.It is divided into three categories, containing smartphones with 720p, 1080p and 1440p displays.
1080p progressive scan HDTV, which uses a 16:9 ratio. Some commentators also use display resolution to indicate a range of input formats that the display's input electronics will accept and often include formats greater than the screen's native grid size even though they have to be down-scaled to match the screen's parameters (e.g. accepting a 1920 × 1080 input on a display with a native 1366 ...
1920×1440 (2,765k) 1920 1440 2,764,800 4:3 24 bpp UNNAMED UNNAMED Used on Microsoft Surface Pro 3. 2160×1440 (3,110k) 2160 1440 3,110,400 3:2 24 bpp QHD: Quad High Definition The native resolution for many higher end 27" widescreen IPS panels and smartphones (from the mid-2010s onward); often referred to as "WQHD" 2560×1440 (3,686k) 2560 1440
The Digital Cinema Initiatives standard for 4K resolution; specification created in 2005 but not widely sold until 2014–15 [8] [9] 64:27 (2. 370:1) 2560×1080, 3440×1440 Used in some professional and gaming displays since the mid 2010s, roughly matches various anamorphic formats: 32:9 (3. 5:1) 3840×1080, 5120×1440
On November 10, 2016, Sony released the PlayStation 4 Pro, which supports 4K streaming and gaming, [91] though many games use checkerboard rendering or are upscaled 4K. [92] On November 7, 2017, Microsoft released the Xbox One X , which supports 4K streaming and gaming, [ 93 ] though not all games are rendered at native 4K.
AMOLED (active-matrix organic light-emitting diode; / ˈ æ m oʊ ˌ l ɛ d /) is a type of OLED display device technology. OLED describes a specific type of thin-film-display technology in which organic compounds form the electroluminescent material, and active matrix refers to the technology behind the addressing of pixels.