The LG PF50KA vs Optoma HD142X comparison shows that these projectors have some important differences and common features. Based on our rating, PF50KA has a total rating of 6.6 out of 10 versus 7.3 for HD142X.
Advantages LG PF50KA over Optoma HD142X
Lower power consumption, 65 W vs 260 W
Longer lamp life (normal mode): 30000 vs 5000 hours
Stereo sound vs mono from integrated speakers
Advantages Optoma HD142X over LG PF50KA
Bigger projection screen size: 30-300 inch vs 25-100 inch