Folding down the Mac Pro's side door gives you easy and almost instant access to its innards, and virtually every component is simple to swap out. The Mac Pro stomps the iMac in the customization department. Professional consumers in areas like 3D rendering, video editing, and other extremely processor-intensive applications surely appreciate the much greater power the Mac Pro can afford them. The top-end iMac is an incredibly powerful machine by consumer and even professional standards, but a fully-upgraded Mac Pro is practically ostentatious in the amount of raw processing power it can wield. AMD Radeon HD 6970M with 2 GB of video RAM.The best you can do with an iMac via Apple's configuration options? Two ATI Radeon HD 5770 with 1 GB of video RAM - each.Two 2.93 GHz 6-Core Intel Xeon processors (for a total of 12 cores).A Mac Pro that's been maxed-out on Apple's online store with as much RAM and hard disk capacity as you can shove into it is a Godzilla of a machine: That's nearly twice the 11,581 score earned by the most powerful iMac, a quad-core 3.4 GHz model.īenchmarks only tell part of the story, however.

Benchmark performance in Geekbench shows the 12-core 2.93 GHz Mac Pro coming in with an astounding score of 21,789. Although the iMac is an extremely powerful machine in its own right, the Mac Pro's performance still kicks the iMac's butt all the way up and down the block.

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