We had a chance to test and compare two models: Optoma UHL55 vs Optoma UHD50 and this review should help people who are looking for a good projector. Based on our rating, UHL55 has a total rating of 9 out of 10 versus 8.6 for UHD50.
Advantages Optoma UHL55 over Optoma UHD50
Lower power consumption, 170 W vs 348 W
Wireless connection enabled
Longer lamp life (normal mode): 20000 vs 4000 hours
More USB ports: 2 vs 1
Advantages Optoma UHD50 over Optoma UHL55
Bigger projection screen size: 34-302 inch vs 30-200 inch