The highest resolution supported by the Ricoh PJ WX6170N is 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) projector, which is the most common resolution supported by similar spec multimedia projectors that are a comparable age to the PJ WX6170N. 640 x 480 (VGA) is also supported by this data projector. In addition, this Ricoh projector supports a supported graphics resolutions of 1280 x 800 (WXGA).
This multimedia projector's resolution (1920 x 1200 (WUXGA)) is in fact the best supported resolution across all projectors of this spec and age.
A 640 x 480 (VGA) supported graphics resolutions is the worst supported resolution across similar types of multimedia projector.