SXGA Guide, Meaning , Facts, Information and Description
SXGA is an abbreviation for Super eXtended Graphics Array referring to a standard monitor resolution of 1280 × 1024 pixels. This resolution of 1,310,720 pixels is an enhancement of the standard XGA resolution that IBM developed in 1990.This resolution is a very strange resolution as it is not the standard 4:3 ratio but a 5:4 ratio. A standard 4:3 monitor using this resolution will therefore not have square pixels, but rectangular ones. This is especially a problem with LCD monitors which have a fixed resolution.
Some LCD monitors are actually made with the 5:4 aspect ratio for this resolution (e.g. the Samsung SyncMaster 172T, which measures 335x275mm displayable).
Apple computer referred to displays with this resolution as "two-page displays", because they could be used to display two A4 pages side-by-side at a resolution of 72 DPI. Sony manufactured a 17" CRT monitor with a 5:4 aspect ratio designed for this resolution. It was sold under the Apple brand name.
A resolution of 1280 × 960 is also often supported, which has the standard 4:3 ratio.
A variation is SXGA+ which is 1400 × 1050 common on notebooks circa 2004.
See also: Computer display standard
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