The highest resolution supported by the Epson EB-G6650WU is 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most frequently found resolution supported by 5000:1 contrast ratio projectors that are a similar age to the EB-G6650WU. In addition, this multimedia projector supports a graphics resolution of 1920 x 1080 (HD 1080).
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 EB-G6650WU.
Across comparable types of data projector the worst supported resolution is 640 x 480 (VGA).