The highest resolution of the CP-WU9410 is WUXGA (1920x1200). That's over two times the resolution of a XGA (1024x768) projector, which is the most common resolution.
A WUXGA (1920x1200) projector native resolution is in fact the best resolution across all data projectors of a comparable spec and age to this multimedia projector.
An XGA (1024x768) projector native resolution is the worst resolution across comparable types of projector.
What does "projector native resolution" mean?