We had a chance to test and compare two models: Optoma HD27 vs Optoma UHD50 and this review should help people who are looking for a good projector. Based on our rating, HD27 has a total rating of 7 out of 10 versus 8.6 for UHD50.
Advantages Optoma HD27 over Optoma UHD50
Better brightness: 3200 vs 2400 lumens
Lower noise level, 26 dB vs 28 dB
Lower power consumption, 260 W vs 348 W
Longer lamp life (normal mode): 5000 vs 4000 hours
Advantages Optoma UHD50 over Optoma HD27
Bring the cinematic 4K UHD experience home with the UHD50
Bigger projection screen size: 34-302 inch vs 30-300 inch