Photo or 3D quiz - can you spot the difference?

Do you have a good eye? See if you can tell the difference between a photograph and a photorealistic 3D render in this cool quiz.

CGI is not just used to create movie monsters and explosions anymore. It's used more and more to replicate real life for various mediums and does it so convincingly that it's often hard to tell the difference between a real and CG object?

Take a look at the following images and see if you can guess whether each one is real or CG. Then let us know your score!