It makes sense comparing ViewSonic PA503W vs Epson PowerLite 1781W because they both are able to give some premium features. Based on our rating, PA503W has a total rating of 6 out of 10 versus 7 for PowerLite 1781W.
Advantages ViewSonic PA503W over Epson PowerLite 1781W
Bigger projection screen size: 30-300 inch vs 50-150 inch
Better brightness: 3600 vs 3200 lumens
Lower noise level, 33 dB vs 39 dB
Lower power consumption, 260 W vs 309 W
Longer lamp life (normal mode): 4500 vs 4000 hours
Advantages Epson PowerLite 1781W over ViewSonic PA503W