The Benq MX764 supports a maximum resolution of 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most common resolution supported by comparable spec projectors that came out around the same time as the MX764. 640 x 480 (VGA) is also supported by this projector.
A 1600 x 1200 (UXGA) supported graphics resolutions is in fact the best supported resolution across all 5300:1 contrast ratio data projectors that were launched around the same time as the MX764.
The worst supported resolution amongst similar types of projector is 640 x 480 (VGA).