The highest resolution supported by the Canon WUX-450 is 1920 x 1200 (WUXGA). That's over seven times the resolution of the most common graphics resolution of 640 x 480 (VGA) (which is also supported by this multimedia projector). In addition, this data projector support graphics resolutions of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+), 1440 x 900 (WXGA+), 1600 x 1200 (UXGA) and 1680 x 1050 (WSXGA+) and 800 x 600 (SVGA).
A 1920 x 1200 (WUXGA) graphics resolution is actually the best supported resolution amongst all multimedia projectors of a comparable spec and age to the WUX-450.
Amongst similar types of projector the worst supported resolution is 640 x 480 (VGA).