We had a chance to test and compare two models: Optoma ML750ST vs Epson Pro EX9220 and this review should help people who are looking for a good projector. Based on our rating, ML750ST has a total rating of 7 out of 10 versus 7.3 for Pro EX9220.
Advantages Optoma ML750ST over Epson Pro EX9220
Lower noise level, 22 dB vs 37 dB
Lower power consumption, 77 W vs 315 W
3D support
Longer lamp life (normal mode): 20000 vs 6000 hours
Advantages Epson Pro EX9220 over Optoma ML750ST
Bigger projection screen size: 34-435 inch vs 30-80 inch