The BenQ HT3050 vs ViewSonic PA503X comparison proves that these projectors have many common features. Based on our rating, HT3050 has a total rating of 7.3 out of 10 versus 6.6 for PA503X.
Advantages BenQ HT3050 over ViewSonic PA503X
More HDMI connectors: 2 vs 1
Stereo sound vs mono from integrated speakers
Advantages ViewSonic PA503X over BenQ HT3050
Bigger projection screen size: 30-300 inch vs 60-180 inch
Better brightness: 3600 vs 2000 lumens
Lower power consumption, 260 W vs 330 W
Longer lamp life (normal mode): 5000 vs 3500 hours