XGA (eXtended Graphics Array) is a high-resolution video display mode that provides screen pixel resolution of 1,024 by 768 in 256 colors or 640 by 480 in high (16-bit) color. XGA monitor s can be interlaced displays.
XGA-2 is a display mode that provides 1,024 by 768 resolution in high color and higher-refresh rates than XGA. XGA was introduced by IBM in 1990 as an improvement on an earlier IBM display standard, the 8514/A.
The XGA standard is used in desktop and laptop computers as well as in projection systems.