The Epson EX3220 vs BenQ TH671ST comparison proves that these projectors have many common features. Based on our rating, EX3220 has a total rating of 5.6 out of 10 versus 7.3 for TH671ST.
Advantages Epson EX3220 over BenQ TH671ST
Bigger projection screen size: 30-350 inch vs 30-300 inch
Lower power consumption, 283 W vs 355 W
Longer lamp life (normal mode): 5000 vs 4000 hours