Plus Ecc memory and dual graphic cards for the pro. Bu if your software is multi-core I guess its the way to go, but if your just using 4 cores, the iMac 5k is

Plus Ecc memory and dual graphic cards for the pro. Bu if your software is multi-core I guess its the way to go, but if your just using 4 cores, the iMac 5k is pretty competetive if not faster[1] and significantly cheeper. [1]http://barefeats.com/imac5k.html http://barefeats.com/imac5k.html