Source : Free On-Line Dictionary of Computing

Extended Video Graphics Array
     
         (EVGA) A {display standard} introduced by
        {VESA} in 1991.
     
        It offers a maximum {resolution} of 1024 x 768 {pixels}
        ({non-interlaced}) and a 70 Hz {refresh rate}.
     
        EVGA should not be confused with the older {EGA} (Enhanced
        Graphics Array) or {XGA} (eXtended Graphics Array).
     
        [Same as "{eXtended Video Graphics Array}" (XVGA)?]
     
        (1999-08-01)

eXtended Video Graphics Array
     
         (XVGA) A {display standard} with a {resolution} of
        1024 by 768 {pixels} of 256 colours.  {IBM} call this mode
        "{8514}".
     
        [Same as "{Extended Video Graphics Array}" (EVGA)?]
     
        (1997-12-11)