The NEC PA622 supports a maximum resolution of 4096 x 2160. That's over three times the resolution of a 1920 x 1200 (WUXGA) projector, which is the most common resolution supported by multimedia projectors of this age and spec. 1920 x 1200 (WUXGA) is also supported by this NEC multimedia projector. In addition, this data projector support graphics resolutions of 2048 x 1080 and 2560 x 1600 (WQXGA) and 640 x 480 (VGA).
This multimedia projector's resolution (4096 x 2160) is actually the best supported resolution across all similar spec projectors that were released more than two years ago.
Across comparable types of multimedia projector the worst supported resolution is 640 x 480 (VGA).