It makes sense comparing BenQ HT3550 vs BenQ HT1075 because they both are able to give some premium features. Based on our rating, HT3550 has a total rating of 8 out of 10 versus 7.3 for HT1075.
Advantages BenQ HT3550 over BenQ HT1075
Bring the cinematic 4K UHD experience home with the HT3550
Lower noise level, 30 dB vs 31 dB
Lower power consumption, 350 W vs 353 W
HT3550 is HDR-compatible
Longer lamp life (normal mode): 4000 vs 3500 hours
More USB ports: 2 vs 1
Stereo sound vs mono from integrated speakers
Advantages BenQ HT1075 over BenQ HT3550
Bigger projection screen size: 40-235 inch vs 30-200 inch