It makes sense comparing BenQ TH671ST vs Nebula Mars II because they both are able to give some premium features. Based on our rating, TH671ST has a total rating of 7.3 out of 10 versus 6.6 for Mars II.
Advantages BenQ TH671ST over Nebula Mars II
Bigger projection screen size: 30-300 inch vs 30-150 inch
Better brightness: 3000 vs 300 lumens
More HDMI connectors: 2 vs 1
Advantages Nebula Mars II over BenQ TH671ST
Lower noise level, 32 dB vs 33 dB
Lower power consumption, 57 W vs 355 W
Longer lamp life (normal mode): 30000 vs 4000 hours