The highest resolution supported by the VPL-VW350ES is 4096 x 2160. That's over twenty-eight times the resolution of a 640 x 480 (VGA) projector, which is the most common resolution supported by projectors of this type and age. This Sony data projector also support graphics resolutions of 1280 x 720 (HD 720) and 1920 x 1080 (HD 1080) and 3840 x 2160.
This projector's resolution (4096 x 2160) is in fact the best supported resolution across all comparable spec multimedia projectors that were released around the same time as the VPL-VW350ES.
The worst supported resolution amongst similar types of projector is 640 x 480 (VGA).