The Epson Home Cinema 3700 vs ViewSonic PA503X comparison proves that these projectors have many common features. Based on our rating, Home Cinema 3700 has a total rating of 7.3 out of 10 versus 6.6 for PA503X.
Advantages Epson Home Cinema 3700 over ViewSonic PA503X
More HDMI connectors: 2 vs 1
Stereo sound vs mono from integrated speakers
Advantages ViewSonic PA503X over Epson Home Cinema 3700
Better brightness: 3600 vs 3000 lumens
Lower power consumption, 260 W vs 384 W
Longer lamp life (normal mode): 5000 vs 3500 hours