We had a chance to test and compare two models: Optoma X600 vs Epson Pro EX9220 and this review should help people who are looking for a good projector. Based on our rating, X600 has a total rating of 7 out of 10 versus 7.3 for Pro EX9220.
Advantages Optoma X600 over Epson Pro EX9220
Better brightness: 6000 vs 3600 lumens
Lower noise level, 28 dB vs 37 dB
3D support
More HDMI connectors: 2 vs 1
Advantages Epson Pro EX9220 over Optoma X600
Bigger projection screen size: 34-435 inch vs 23-300 inch
Lower power consumption, 315 W vs 380 W
Wireless connection enabled
Longer lamp life (normal mode): 6000 vs 2500 hours