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The new Mac Pro is built around Intel's new Xeon E5 chipset, and will come with an option to have a total of 12 cores of processing power, up to 40GB/s of PCI Express gen 3 bandwidth, and 256-bit-wide floating-point instructions.
This gives the new Mac Pro twice the floating-point performance of the existing Mac Pro.
Backing up the Xeon cores is up to 64GB of RAM running through a four-channel DDR3 memory controller running at 1866MHz which will deliver up to 60GB/s of memory bandwidth. The new Mac Pro will also be kitted out with ECC RAM to improve reliability.
This is a system designed to chew through the toughest video render or simulation jobs.
The graphics are handled by dual state-of-the-art AMD FirePro workstation-class GPUs, each with up to 6GB of dedicated VRAM. The provide up to 4096 stream processors, dual 384-bit memeory buses, up to 12GB of GDDR5 VRAM and 528GB/s total bandwidth.
These can handle not only rendering a 4K video, put also powering up to three 4K displays simultaneously, and deliver up to 7 teraflops of power (compared to a maximum on 2.7 teraflops for the current Mac Pro).