The highest resolution of the VPL-VW1100ES is DCI 4K (4096 x 2160). That's over four times the resolution of the most frequently found projector native resolution of 1080p (1920x1080).
This projector's resolution (DCI 4K (4096 x 2160)) is in fact the best resolution amongst all projectors of this spec and age.
The worst resolution across comparable types of projector is WVGA (854x480).
What does "projector native resolution" mean?