The PJ WX6170N supports a maximum resolution of 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 data projector). This projector also supports a supported graphics resolutions of 1280 x 800 (WXGA).
This multimedia projector's resolution (1920 x 1200 (WUXGA)) is actually the best supported resolution across all data projectors of a comparable age and type to the PJ WX6170N.
A 640 x 480 (VGA) supported graphics resolutions is the worst supported resolution across similar types of multimedia projector.