The NEC PA722 supports a maximum resolution of 4096 x 2160. That's over three times the resolution of the most frequently found supported graphics resolutions of 1920 x 1200 (WUXGA) (which is also supported by this data projector). This projector also support supported graphics resolutionss of 2048 x 1080 and 2560 x 1600 (WQXGA) and 640 x 480 (VGA).
This projector's resolution (4096 x 2160) is actually the best supported resolution amongst all multimedia projectors of this type and age.
Amongst comparable types of projector the worst supported resolution is 640 x 480 (VGA).