The BenQ HT3550 vs Optoma HD142X comparison shows that these projectors have some important differences and common features. Based on our rating, HT3550 has a total rating of 8 out of 10 versus 7.3 for HD142X.
Advantages BenQ HT3550 over Optoma HD142X
Bring the cinematic 4K UHD experience home with the HT3550
HT3550 is HDR-compatible
More USB ports: 2 vs 1
Stereo sound vs mono from integrated speakers
Advantages Optoma HD142X over BenQ HT3550
Bigger projection screen size: 30-300 inch vs 30-200 inch
Better brightness: 3000 vs 2000 lumens
Lower noise level, 28 dB vs 30 dB
Lower power consumption, 260 W vs 350 W
Longer lamp life (normal mode): 5000 vs 4000 hours