It makes sense comparing Optoma HD143X vs Epson PowerLite 1771W because they both are able to give some premium features. Based on our rating, HD143X has a total rating of 6.6 out of 10 versus 6 for PowerLite 1771W.
Advantages Optoma HD143X over Epson PowerLite 1771W
Bigger projection screen size: 37-307 inch vs 30-300 inch
Lower noise level, 31 dB vs 40 dB
3D support
More HDMI connectors: 2 vs 1
Advantages Epson PowerLite 1771W over Optoma HD143X
Lower power consumption, 322 W vs 330 W
Wireless connection enabled
Longer lamp life (normal mode): 4000 vs 3500 hours