The Epson EX7240 vs Optoma HD142X comparison shows that these projectors have some important differences and common features. Based on our rating, EX7240 has a total rating of 6.3 out of 10 versus 7.3 for HD142X.
Advantages Epson EX7240 over Optoma HD142X
Bigger projection screen size: 33-320 inch vs 30-300 inch