An affordable projector is always a good option to consider, so ViewSonic PA503W vs Optoma HD143X comparison definitely makes sense. Based on our rating, PA503W has a total rating of 6 out of 10 versus 6.6 for HD143X.
Advantages ViewSonic PA503W over Optoma HD143X
Better brightness: 3600 vs 3000 lumens
Lower power consumption, 260 W vs 330 W
Longer lamp life (normal mode): 4500 vs 3500 hours
Advantages Optoma HD143X over ViewSonic PA503W
Bigger projection screen size: 37-307 inch vs 30-300 inch