The highest resolution supported by the NEC NP-P401W is 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) data projector, which is the most frequently found resolution supported by multimedia projectors of a comparable age and type to the NP-P401W. 640 x 480 (VGA) is also supported by this data projector. In addition, this multimedia projector support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA) and 1400 x 1050 (SXGA+) and 800 x 600 (SVGA).
A 1600 x 1200 (UXGA) supported graphics resolutions is in fact the best supported resolution amongst all projectors that have been on the market for a comparable time to the NP-P401W.
Amongst comparable types of projector the worst supported resolution is 640 x 480 (VGA).