The highest resolution supported by the Panasonic PT-LW330 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 of a similar spec and age to the PT-LW330. 640 x 480 (VGA) is also supported by this data projector. In addition, this multimedia projector supports a supported graphics resolutions of 1280 x 800 (WXGA).
This data projector's resolution (1920 x 1200 (WUXGA)) is in fact the best supported resolution across all projectors that have been around for around the same time as the PT-LW330.
The worst supported resolution amongst similar types of data projector is 640 x 480 (VGA).