The WUX450ST supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of the most common supported graphics resolutions of 640 x 480 (VGA) (which is also supported by this data projector). This Canon multimedia projector also support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1400 x 1050 (SXGA+), 1440 x 900 (WXGA+) and 1600 x 1200 (UXGA) and 1680 x 1050 (WSXGA+).
This projector's resolution (1920 x 1200 (WUXGA)) is in fact the best supported resolution amongst all 2000:1 contrast ratio projectors that have been on the market for a comparable time to the WUX450ST.
A 640 x 480 (VGA) supported graphics resolutions is the worst supported resolution amongst similar types of projector.