It makes sense comparing LG PF50KA vs Optoma UHL55 because they both are able to give some premium features. Based on our rating, PF50KA has a total rating of 6.6 out of 10 versus 9 for UHL55.
Advantages LG PF50KA over Optoma UHL55
Lower power consumption, 65 W vs 170 W
Longer lamp life (normal mode): 30000 vs 20000 hours
Advantages Optoma UHL55 over LG PF50KA
Bring the cinematic 4K UHD experience home with the UHL55
Bigger projection screen size: 30-200 inch vs 25-100 inch