That Denon will be sweet if Amazon has their 50% off sale when the new models roll out.
In Direct Mode (no EQ of any kind), they will sound the same if played at the same exact volume.
Whether one is better than the other, it depends on what you do with them. The big difference among AVR and processors will be the features and EQ.
For example, I would unequivocally take the Denon over anything else that does not have Audyssey Dynamic EQ (DEQ).
AFAIK, the only new products that have Audyssey DEQ include Denon, Marantz, and McIntosh.
But some people prefer ARC (Anthem) or DIRAC (Emotiva) or other EQ systems.
So the salient difference is DIRAC vs AUDYSSEY (for me it's the DEQ), not Emotiva vs Denon or Pre-pro vs AVR.
But you might want to keep an eye on Amazon or Fry's during the late Summer, or Fall & Winter. You might see the Denon 7200 for $1,500 brand new.
So to answer your question, I would take the Denon over Emotiva.