The Epson 3100 vs Optoma GT5600 comparison proves that these projectors have many common features. Based on our rating, 3100 has a total rating of 7 out of 10 versus 8 for GT5600.
Advantages Epson 3100 over Optoma GT5600
Bigger projection screen size: 40-200 inch vs 80-100 inch
Lower noise level, 24 dB vs 25 dB
Advantages Optoma GT5600 over Epson 3100
Better brightness: 3600 vs 2600 lumens
Lower power consumption, 285 W vs 356 W
Wireless connection enabled
Longer lamp life (normal mode): 4000 vs 3500 hours