1440p is a family of video

display resolution The display resolution or display modes of a digital television, computer monitor or display device is the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is ...

s that have a vertical resolution of 1440

pixel In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a raster image, or the smallest point in an all points addressable display device. In most digital display devices, pixels are the smal ...

s. The ''p'' stands for

progressive scan Progressive scanning (alternatively referred to as noninterlaced scanning) is a format of displaying, storing, or transmitting moving images in which all the lines of each frame are drawn in sequence. This is in contrast to interlaced video used ...

, i.e. non-

interlaced Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth. The interlaced signal contains two fields of a video frame captured consecutively. This ...

. The 1440 pixel vertical resolution is double the vertical resolution of

720p 720p (1280×720 px; also called HD ready, standard HD or just HD) is a progressive HDTV signal format with 720 horizontal lines/1280 columns and an aspect ratio (AR) of 16:9, normally known as widescreen HDTV (1.78:1). All major HDTV broadcast ...

, and one-third (about 33.3%) more than

1080p 1080p (1920×1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vert ...

. QHD (Quad HD) or WQHD (Wide Quad HD) is the designation for a commonly used display resolution of pixels in a 16:9 aspect ratio. As a

graphics display resolution The graphics display resolution is the width and height dimension of an electronic visual display device, measured in pixels. This information is used for electronic devices such as a computer monitor. Certain combinations of width and height a ...

between 1080p and 4K, Quad HD is regularly used in smartphone displays, and for computer and console gaming.

Support

1440p video mastered from 4:3 ratio content can be displayed with 1920×1440 or higher resolution such as

QXGA The graphics display resolution is the width and height dimension of an electronic visual display device, measured in pixels. This information is used for electronic devices such as a computer monitor. Certain combinations of width and height ar ...

or 2304×1440 with

scaling Scaling may refer to: Science and technology Mathematics and physics * Scaling (geometry), a linear transformation that enlarges or diminishes objects * Scale invariance, a feature of objects or laws that do not change if scales of length, energ ...

, windowboxing, or

pillarboxing The pillarbox effect occurs in widescreen video displays when black bars (mattes or masking) are placed on the sides of the image. It becomes necessary when film or video that was not originally designed for widescreen is shown on a widescreen ...

. Widescreen 16:9 aspect ratio 1440p requires 2560×1440 ( WQHD) resolution, possible with

WQXGA The graphics display resolution is the width and height dimension of an electronic visual display device, measured in pixels. This information is used for electronic devices such as a computer monitor. Certain combinations of width and height ar ...

, 2560×1920, or higher resolution with letterboxing, scaling, or windowboxing. The HDMI 1.3 specification supports WQXGA, and hence widescreen 1440p.

Usage

Early uses of QHD (often mistakenly marketed as "2K Display") computer displays became commonly available in 2010.

Dell Dell is an American based technology company. It develops, sells, repairs, and supports computers and related products and services. Dell is owned by its parent company, Dell Technologies. Dell sells personal computers (PCs), servers, data ...

's UltraSharp U2711 monitor was released in 2010 as WQHD, with a 1440p widescreen. The 27-inch Apple LED Cinema Display released in 2010 also had a native resolution of 2560 × 1440, as did the

Apple Thunderbolt Display The Apple Thunderbolt Display is a 27-inch flat panel computer monitor developed and sold by Apple Inc. from July 2011 to June 2016. Originally priced at $999, it replaced the 27-inch Apple LED Cinema Display. New to the Thunderbolt Display w ...

which was sold from July 2011 to June 2016. By 2020 QHD had expanded to a common resolution for computer gaming, with multiple

video cards A graphics card (also called a video card, display card, graphics adapter, VGA card/VGA, video adapter, display adapter, or mistakenly GPU) is an expansion card which generates a feed of output images to a display device, such as a computer mo ...

available that supported high

frame rates Frame rate (expressed in or FPS) is the frequency (rate) at which consecutive images ( frames) are captured or displayed. The term applies equally to film and video cameras, computer graphics, and motion capture systems. Frame rate may also be c ...

at that resolution. In early 2021, QHD gaming laptops with fast refresh rates were introduced by multiple computer manufacturers. In relation to

smartphone A smartphone is a portable computer device that combines mobile telephone and computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, whic ...

s, 1440p displays are sometimes marketed as "Quad HD", as it is four times the resolution of 720p high definition. The Vivo Xplay 3S, released December 2013, was the first smartphone to use a 1440p display; by 2015, 1440p had seen wider adoption by high-end flagship smartphones from major companies. In September 2020,

Microsoft Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washing ...

revealed the

Xbox Series S The Xbox Series X/S are home video game consoles developed by Microsoft. They were both released on November 10, 2020, as the fourth generation Xbox, succeeding the Xbox One. Along with Sony's PlayStation 5, also released in November 2020, ...

would support a resolution of 1440p at 120

FPS FPS may refer to: Arts and entertainment * "F.P.S." (''Law & Order: Criminal Intent''), an episode of the TV show ''Law & Order: Criminal Intent'' * '' fps magazine'', a defunct magazine about animation * ''The Fabulous Picture Show'', a televi ...

References

{{High-definition Video formats

Support

Usage

See also

References