Triple vs. Dual Channel Memory

I am looking to build a new workstation.  I'm looking at two possible processors: the new Intel i7 2600K processor and the old Intel i7 950.  My question is regarding Dual vs. Triple Channel memory performance.  The 2600K uses dual channel memory while the 950 uses triple channel memory.  In Solidworks, would you really notice any performance difference using dual channel memory?

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