The highest resolution supported by the PJ X6180N is 1920 x 1200 (WUXGA). That's over seven times the resolution of the most frequently found supported graphics resolutions of 640 x 480 (VGA) (which is also supported by this multimedia projector). This Ricoh data projector also supports a supported graphics resolutions of 1024 x 768 (XGA).
A 1920 x 1200 (WUXGA) supported graphics resolutions is actually the best supported resolution across all 2000:1 contrast ratio projectors that have been available for around the same time as the PJ X6180N.
The worst supported resolution amongst comparable types of data projector is 640 x 480 (VGA).