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core clock Last modified: Friday, February 08, 2008
The actual speed at which the graphics processor on a video card operates. Core clock is measured in megahertz (MHz). The core clock speed can sometimes be changed on newer cards where users want to gain a performance boost. This is called overclocking and it can usually be done using third-party utilities or the drivers provided by the video card manufacturer.
Hardware Central Detailed test reports on the latest desktop and laptop computers. Plus news on trend-setting products just coming into the pipeline. Sharky Extreme Reporting on the latest hardware and software technology for the PC enthusiast. SysOpt A system optimization community. News and forums for technology professionals who are obsessed with achieving maximum performance. Understanding Video and Graphics Adapters While the names to describe it are many (video adapter, video card, video board, video display board, graphics card or graphics adapter) its job and function within a computer system remains the same, regardless of what you call it.	Related Categories 3-D Graphics Video Adapters Related Terms Anisotropic Filtering antialiasing Bilinear Filtering GPU GPU clock graphics accelerator graphics adapter MHz video video accelerator video card video game