The Optoma DH1011i supports a maximum resolution of 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) data projector, which is the most common resolution supported by projectors of this spec and age. 640 x 480 (VGA) is also supported by this multimedia projector. This projector also support supported graphics resolutionss of 1280 x 1024 (SXGA), 1360 x 768 (WXGA) and 800 x 600 (SVGA) and 1024 x 768 (XGA).
A 1600 x 1200 (UXGA) supported graphics resolutions is in fact the best supported resolution across all 18000:1 contrast ratio data projectors that were released one year ago.
The worst supported resolution amongst similar types of projector is 640 x 480 (VGA).