The Epson VS250 vs ViewSonic PA503X comparison proves that these projectors have many common features. Based on our rating, VS250 has a total rating of 5.6 out of 10 versus 6.6 for PA503X.
Advantages Epson VS250 over ViewSonic PA503X
Bigger projection screen size: 30-350 inch vs 30-300 inch
Advantages ViewSonic PA503X over Epson VS250
Better brightness: 3600 vs 3200 lumens
Lower power consumption, 260 W vs 296 W
3D support
Longer lamp life (normal mode): 5000 vs 3000 hours