I don't get it. The first numbers listed are for Ivy Bridge. The last set says that they're Sandy Bridge and lists the MSRP of the Sandy Bridge cpu's. Which is it?
They can't be equivalents since their features are so different.
Isn't it true that the Ivy Bridge cpu's are socket LGA-1155 and will fit Sandy Bridge motherboards, but, you must have an Ivy Bridge motherboard to enable the new features of Ivy Bridge cpu's?
If so, then reverse compatiblity with Sandy Bridge motherboards is rather stupid and no computer enthusiast in their right mind would ever consider even trying this. It would be pointless and a complete waste of a new cpu.
BTW, have you noticed how the handy-dandy computer component supplier you always use and/or brag about is completely ripping you off by charging an extreme premium for your new cpu's? And almost certainly everything else? Let's see, NewEgg has i7-2700K's selling at $369.99, while Intel lists them as having an MSRP of $332.00. That's about a 12% markup above what they actually pay Intel for, in 1,000 units per flat. Now you know how they can offer "Free" 3-day shipping on almost everything.
Tanstaafl, and shipping!