We had a chance to test and compare two models: BenQ TH671ST vs Optoma HD27 and this review should help people who are looking for a good projector. Based on our rating, TH671ST has a total rating of 7.3 out of 10 versus 7 for HD27.
Advantages BenQ TH671ST over Optoma HD27
Wireless connection enabled
Advantages Optoma HD27 over BenQ TH671ST
Better brightness: 3200 vs 3000 lumens
Lower noise level, 26 dB vs 33 dB
Lower power consumption, 260 W vs 355 W
3D support
Longer lamp life (normal mode): 5000 vs 4000 hours