The ViewSonic PA503W vs LG PF1000UW comparison proves that these projectors have many common features. Based on our rating, PA503W has a total rating of 6 out of 10 versus 7.6 for PF1000UW.
Advantages ViewSonic PA503W over LG PF1000UW
Bigger projection screen size: 30-300 inch vs 60-100 inch