The PH1201QL supports a maximum resolution of 4096 x 2160. That's over twenty-eight times the resolution of the most common supported graphics resolutions of 640 x 480 (VGA). This NEC multimedia projector also support supported graphics resolutionss of 2048 x 1080 and 3840 x 2160 and 1920 x 1080 (HD 1080).
A 4096 x 2160 supported graphics resolutions is in fact the best supported resolution amongst all projectors that are a similar age to the PH1201QL.
A 640 x 480 (VGA) supported graphics resolutions is the worst supported resolution amongst similar types of projector.