The highest resolution supported by the NP-PX750 is 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most frequently found resolution supported by 2100:1 contrast ratio projectors that were launched around the same time as the NP-PX750. 640 x 480 (VGA) is also supported by this projector. In addition, this multimedia projector support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+) and 1600 x 1200 (UXGA) and 800 x 600 (SVGA).
A 1920 x 1200 (WUXGA) supported graphics resolutions is in fact the best supported resolution across all similar spec data projectors that have been on the market for around the same time as the NP-PX750.
Across similar types of data projector the worst supported resolution is 640 x 480 (VGA).