Expansion card which generates a feed of output images to a display device
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Graphics card
Sapphire Radeon HD 5570, a PCI Express video card with VGA, HDMI, and DVI ports and a small cooling fan
Connects to
Motherboard via one of:
PCI Express
PCI
AGP
More...
Display via one of:
DisplayPort
HDMI
DVI
VGA
USB-C
More...
AMD Radeon RX 6900 XT
A graphics card (also called a video card, display card, graphics adapter, VGA card/VGA, video adapter, display adapter, or colloquially GPU) is a computer expansion card that generates a feed of graphics output to a display device such as a monitor. Graphics cards are sometimes called discrete or dedicated graphics cards to emphasize their distinction to an integrated graphics processor on the motherboard or the central processing unit (CPU). A graphics processing unit (GPU) that performs the necessary computations is the main component in a graphics card, but the acronym "GPU" is sometimes also used to erroneously refer to the graphics card as a whole.[1]
Most graphics cards are not limited to simple display output. The graphics processing unit can be used for additional processing, which reduces the load from the central processing unit.[2] Additionally, computing platforms such as OpenCL and CUDA allow using graphics cards for general-purpose computing. Applications of general-purpose computing on graphics cards include AI training, cryptocurrency mining, and molecular simulation.[3][4][5]
Usually, a graphics card comes in the form of a printed circuit board (expansion board) which is to be inserted into an expansion slot.[6] Others may have dedicated enclosures, and they are connected to the computer via a docking station or a cable. These are known as external GPUs (eGPUs).
Graphics cards are often preferred over integrated graphics for increased performance.
^"What is a GPU?" Intel. Retrieved 10 August 2023.
^"ExplainingComputers.com: Hardware". www.explainingcomputers.com. Archived from the original on 17 December 2017. Retrieved 11 December 2017.
^"OpenGL vs DirectX - Cprogramming.com". www.cprogramming.com. Archived from the original on 12 December 2017. Retrieved 11 December 2017.
^"Powering Change with NVIDIA AI and Data Science". NVIDIA. Archived from the original on 10 November 2020. Retrieved 10 November 2020.
^Cite error: The named reference parrish20170710 was invoked but never defined (see the help page).
^"Graphic Card Components". pctechguide.com. 23 September 2011. Archived from the original on 12 December 2017. Retrieved 11 December 2017.
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