An affordable projector is always a good option to consider, so ViewSonic PA503W vs LG PH550 comparison definitely makes sense. Based on our rating, PA503W has a total rating of 6 out of 10 versus 7.6 for PH550.
Advantages ViewSonic PA503W over LG PH550
Bigger projection screen size: 30-300 inch vs 25-100 inch
Better brightness: 3600 vs 550 lumens
Advantages LG PH550 over ViewSonic PA503W
Lower power consumption, 60 W vs 260 W
3D support
Wireless connection enabled
Longer lamp life (normal mode): 30000 vs 4500 hours