The highest resolution supported by the Panasonic PT-RZ475 is 1920 x 1200 (WUXGA). That's over seven times the resolution of the most common graphics resolution of 640 x 480 (VGA) (which is also supported by this projector). In addition, this multimedia projector supports a graphics resolution of 1920 x 1080 (HD 1080).
This projector's resolution (1920 x 1200 (WUXGA)) is actually the best supported resolution across all multimedia projectors of this age and spec.
Across similar types of projector the worst supported resolution is 640 x 480 (VGA).