The Optoma ML750ST vs Optoma HD142X comparison shows that these projectors have some important differences and common features. Based on our rating, ML750ST has a total rating of 7 out of 10 versus 7.3 for HD142X.
Advantages Optoma ML750ST over Optoma HD142X
Lower noise level, 22 dB vs 28 dB
Lower power consumption, 77 W vs 260 W
Longer lamp life (normal mode): 20000 vs 5000 hours
Advantages Optoma HD142X over Optoma ML750ST
Bigger projection screen size: 30-300 inch vs 30-80 inch