The Benq MX763 supports a maximum resolution of 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) projector, which is the most common resolution supported by 5300:1 contrast ratio multimedia projectors that are a similar age to the MX763. 640 x 480 (VGA) is also supported by this data projector.
This projector's resolution (1600 x 1200 (UXGA)) is in fact the best supported resolution amongst all multimedia projectors that were released more than two years ago.
The worst supported resolution across comparable types of projector is 640 x 480 (VGA).