The Epson VS355 vs Optoma GT5600 comparison proves that these projectors have many common features. Based on our rating, VS355 has a total rating of 5.6 out of 10 versus 8 for GT5600.
Advantages Epson VS355 over Optoma GT5600
Bigger projection screen size: 33-320 inch vs 80-100 inch
Longer lamp life (normal mode): 6000 vs 4000 hours