An affordable projector is always a good option to consider, so Optoma ML750ST vs LG PH550 comparison definitely makes sense. Based on our rating, ML750ST has a total rating of 7 out of 10 versus 7.6 for PH550.
Advantages Optoma ML750ST over LG PH550
Better brightness: 700 vs 550 lumens
Advantages LG PH550 over Optoma ML750ST
Bigger projection screen size: 25-100 inch vs 30-80 inch
Lower power consumption, 60 W vs 77 W
Longer lamp life (normal mode): 30000 vs 20000 hours