The Canon WUX450ST supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of the most frequently found graphics resolution of 640 x 480 (VGA) (which is also supported by this projector). In addition, this Canon projector support graphics resolutions 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+).
A 1920 x 1200 (WUXGA) graphics resolution is actually the best supported resolution across all projectors that came out in the last year.
A 640 x 480 (VGA) graphics resolution is the worst supported resolution amongst similar types of projector.