It makes sense comparing Optoma HD131Xe vs Epson PowerLite 1781W because they both are able to give some premium features. Based on our rating, HD131Xe has a total rating of 6.6 out of 10 versus 7 for PowerLite 1781W.
Advantages Optoma HD131Xe over Epson PowerLite 1781W
Bigger projection screen size: 38-301 inch vs 50-150 inch
Lower noise level, 26 dB vs 39 dB
Lower power consumption, 262 W vs 309 W
3D support
More HDMI connectors: 2 vs 1
Advantages Epson PowerLite 1781W over Optoma HD131Xe
Better brightness: 3200 vs 2500 lumens
Wireless connection enabled
Longer lamp life (normal mode): 4000 vs 3500 hours