The ViewSonic PA503W vs Optoma EH416 comparison shows that these projectors have some important differences and common features. Based on our rating, PA503W has a total rating of 6 out of 10 versus 8 for EH416.
Advantages ViewSonic PA503W over Optoma EH416
Lower power consumption, 260 W vs 309 W
Longer lamp life (normal mode): 4500 vs 3000 hours