The highest resolution supported by the PT-RZ475 is 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) projector, which is the most frequently found resolution supported by data projectors that came out more than two years ago. 640 x 480 (VGA) is also supported by this multimedia projector. In addition, this data projector supports a supported graphics resolutions of 1920 x 1080 (HD 1080).
A 1920 x 1200 (WUXGA) supported graphics resolutions is in fact the best supported resolution across all data projectors of a comparable spec and age to the PT-RZ475.
The worst supported resolution across comparable types of projector is 640 x 480 (VGA).