We had a chance to test and compare two models: Optoma UHL55 vs Optoma HD27 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 7 for HD27.
Advantages Optoma UHL55 over Optoma HD27
Bring the cinematic 4K UHD experience home with the UHL55
Lower power consumption, 170 W vs 260 W
UHL55 is HDR-compatible
Wireless connection enabled
Longer lamp life (normal mode): 20000 vs 5000 hours
More USB ports: 2 vs 1
Stereo sound vs mono from integrated speakers
Advantages Optoma HD27 over Optoma UHL55
Bigger projection screen size: 30-300 inch vs 30-200 inch