We had a chance to test and compare two models: Epson EX7210 vs Optoma HD27 and this review should help people who are looking for a good projector. Based on our rating, EX7210 has a total rating of 5.6 out of 10 versus 7 for HD27.
Advantages Epson EX7210 over Optoma HD27
Bigger projection screen size: 33-318 inch vs 30-300 inch
Advantages Optoma HD27 over Epson EX7210
Better brightness: 3200 vs 2800 lumens
Lower noise level, 26 dB vs 37 dB
Lower power consumption, 260 W vs 283 W
Longer lamp life (normal mode): 5000 vs 4000 hours