The Benq MX704 supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most common resolution supported by 13000:1 contrast ratio projectors that are a comparable age to the MX704. 640 x 480 (VGA) is also supported by this data projector.
A 1920 x 1200 (WUXGA) graphics resolution is actually the best supported resolution across all similar spec projectors that have been on the market for a comparable time to the MX704.
A 640 x 480 (VGA) graphics resolution is the worst supported resolution amongst similar types of multimedia projector.