The highest resolution supported by the LV-8227A is 1920 x 1200 (WUXGA). That's 20% more resolution than the most frequently found graphics resolution of 1600 x 1200 (UXGA) (which is also supported by this Canon projector). In addition, this projector support graphics resolutions of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1400 x 1050 (SXGA+) and 640 x 480 (VGA) and 800 x 600 (SVGA).
This projector's resolution (1920 x 1200 (WUXGA)) is actually the best supported resolution amongst all comparable spec projectors that were released around the same time as the LV-8227A.
A 640 x 480 (VGA) graphics resolution is the worst supported resolution amongst similar types of projector.