The highest resolution of the Epson S31+ is SVGA (800x600). That's 77% less resolution than a 1080p (1920x1080) multimedia projector, which is the most common resolution.
This projector's resolution (SVGA (800x600)) is actually the worst resolution amongst all comparable spec projectors that were released more than a year ago.
Amongst comparable types of projector the best resolution is WUXGA (1920x1200).
What does "projector native resolution" mean?