It makes sense comparing ViewSonic PA503W vs Optoma HD131Xe because they both are able to give some premium features. Based on our rating, PA503W has a total rating of 6 out of 10 versus 6.6 for HD131Xe.
Advantages ViewSonic PA503W over Optoma HD131Xe
Better brightness: 3600 vs 2500 lumens
Lower power consumption, 260 W vs 262 W
Longer lamp life (normal mode): 4500 vs 3500 hours
Advantages Optoma HD131Xe over ViewSonic PA503W
Bigger projection screen size: 38-301 inch vs 30-300 inch