The Optoma EH416 vs BenQ TH671ST comparison proves that these projectors have many common features. Based on our rating, EH416 has a total rating of 8 out of 10 versus 7.3 for TH671ST.
Advantages Optoma EH416 over BenQ TH671ST
Better brightness: 4200 vs 3000 lumens
Lower noise level, 29 dB vs 33 dB
Lower power consumption, 309 W vs 355 W
3D support
Advantages BenQ TH671ST over Optoma EH416
Longer lamp life (normal mode): 4000 vs 3000 hours