It makes sense comparing ViewSonic PA503W vs BenQ HT1075 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 7.3 for HT1075.
Advantages ViewSonic PA503W over BenQ HT1075
Bigger projection screen size: 30-300 inch vs 40-235 inch
Better brightness: 3600 vs 2200 lumens
Lower power consumption, 260 W vs 353 W
Longer lamp life (normal mode): 4500 vs 3500 hours