The highest resolution supported by the Benq MX711 is 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 projectors that have been around for a similar time to the MX711. 640 x 480 (VGA) is also supported by this data projector.
A 1600 x 1200 (UXGA) supported graphics resolutions is in fact the best supported resolution amongst all projectors of a similar age and type to the MX711.
The worst supported resolution across comparable types of projector is 640 x 480 (VGA).