I don't think there are any differences other than the can't retrain if you screw up in the sim, and the do a quick any worthless logbook review. If you do screw up in the sim I think the examiners are pretty clumsy so they drop their pencils a lot and have to go look for them.
Overall, I've had 2 bad experiences at CAE and really hope I'll be able to complete my training elsewhere in the future.