- Extreme High Definition
Extreme High Definition, or XHD, is a term coined by
NVIDIAand Dellat the Consumer Electronics Show2006 to emphasize gaming at resolutions, higher than High Definition. The term was created as a marketing term for NVIDIA's Quad SLI setup and Dell's 3007WFPmonitor.
NVIDIA, XHD is achieved by using one or two dual-link DVI ports. This higher bandwidth allows the cards to reach a maximum resolution of 2560x1600. The resolutions 1920x1200 and 1680x1050 are also classed as XHD resolutions, even though they do not match the XHD specification of 4x 1080i/ 2x 1080pstated on the XHD site. (see: [http://www.nvidia.com/page/technology_extreme_hd_home.html NVIDIA's Extreme HD Site] )
A related term is Extreme Definition (or XD). This is a term used on the Internet, referring to the
1440p- 2560x1440 - resolution. The term was formulated with Extreme High Definition in mind, since both standards share the 2560 pixel horizontal resolution. To avoid confusion between the two resolutions, however, the word "high" was left out.
At the moment, there are no commercial releases in the 1440p format. Only demo videos and some
movie trailersare available in Extreme Definition.
* [http://www.comprehensiveinc.com Comprehensive Video Group] Cable & Professional Multimedia Equipment Manufacturer
Wikimedia Foundation. 2010.
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