The Optoma W303ST supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) data projector, which is the most frequently found resolution supported by multimedia projectors that were released in the last 12 months. 640 x 480 (VGA) is also supported by this data projector. This multimedia projector also support graphics resolutions of 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1280 x 800 (WXGA), 1360 x 768 (WXGA), 1400 x 1050 (SXGA+) and 1440 x 900 (WXGA+) and 1600 x 1200 (UXGA).
This data projector's resolution (1920 x 1200 (WUXGA)) is in fact the best supported resolution across all comparable spec projectors that have been available for around the same time as the W303ST.
Across comparable types of data projector the worst supported resolution is 640 x 480 (VGA).