It makes sense comparing Optoma UHD60 vs Optoma UHL55 because they both are able to give some premium features. Based on our rating, both projectors have the same overall rating of 9.
Advantages Optoma UHD60 over Optoma UHL55
Bigger projection screen size: 26-302 inch vs 30-200 inch
Better brightness: 3000 vs 1500 lumens
Advantages Optoma UHL55 over Optoma UHD60
Lower power consumption, 170 W vs 348 W
Wireless connection enabled
Longer lamp life (normal mode): 20000 vs 4000 hours