We had a chance to test and compare two models: Optoma HD143X vs Epson Pro EX9220 and this review should help people who are looking for a good projector. Based on our rating, HD143X has a total rating of 6.6 out of 10 versus 7.3 for Pro EX9220.
Advantages Optoma HD143X over Epson Pro EX9220
Lower noise level, 31 dB vs 37 dB
3D support
More HDMI connectors: 2 vs 1
Advantages Epson Pro EX9220 over Optoma HD143X
Bigger projection screen size: 34-435 inch vs 37-307 inch
Better brightness: 3600 vs 3000 lumens
Lower power consumption, 315 W vs 330 W
Wireless connection enabled
Longer lamp life (normal mode): 6000 vs 3500 hours