The HC7900DW supports a 1080p video mode which is better than most multimedia projectors that were released more than two years ago. Most data projectors of a comparable age and type to it support a 720p video mode. This projector also support 1080i, 480i, 480p and 576i and 576p video modes.
A 1080p video mode is actually the best supported supported video mode across all multimedia projectors that have been available for around the same time as the HC7900DW.
Across comparable types of data projector the worst supported supported video mode is 480i.