The highest resolution of the Epson EB-G6650WU is WUXGA (1920x1200). That's over two times the resolution of the most frequently found native projector resolution of WXGA (1280x800).
A WUXGA (1920x1200) native projector resolution is actually the best resolution amongst all multimedia projectors of a comparable age and spec to the EB-G6650WU.
The worst resolution amongst comparable types of data projector is XGA (1024x768).
We think you might also be interested in some of the alternative projectors that have a resolution of WUXGA (1920x1200) currently available including cheaper data projectors such as the Epson EB-G6450WU, or the Panasonic PT-EZ770 ($4,299.00).