nomenclature is a fancy way of saying the specific name of the processor (in this case the E6750). What the links show is that Intel (who named the processor) don't have specific versions with or without ViiV.
What you will notice at this link: http://www.intel.com/products/viiv/index.htm
is that it's associated with various Intel motherboard chipsets - and IMO it's a software solution that assists in multimedia processing. I installed this on my wife's new computer (with the Intel chipset) and it was a real PITA to get working correctly. But, since you're purchasing this from Dell, it shouldn't be an issue for you.
In short it may be that the computer will have a different motherboard - and without the specs on each we won't be able to advise you adequately.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able. - John
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