The Epson PowerLite 680 vs Optoma GT5600 comparison proves that these projectors have many common features. Based on our rating, PowerLite 680 has a total rating of 6.6 out of 10 versus 8 for GT5600.
Advantages Epson PowerLite 680 over Optoma GT5600
Longer lamp life (normal mode): 5000 vs 4000 hours
More HDMI connectors: 3 vs 2
Advantages Optoma GT5600 over Epson PowerLite 680
Bigger projection screen size: 80-100 inch vs 55-100 inch