The highest resolution supported by the Optoma S341 is 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) projector, which is the most frequently found resolution supported by similar spec multimedia projectors that have been around for the last year. 640 x 480 (VGA) is also supported by this projector. In addition, this multimedia projector 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) and 1400 x 1050 (SXGA+) and 1600 x 1200 (UXGA).
This projector's resolution (1920 x 1200 (WUXGA)) is actually the best supported resolution amongst all projectors that came out around the same time as the S341.
The worst supported resolution across comparable types of projector is 640 x 480 (VGA).