Pricing Info of Intel's Upcoming Sandy Bridge-E CPU's have been leaked over at VR-Zone.com. According to the details, Intel would target its High end Extreme Edition "Core i7 3960X" Processor towards Enthusiasts with a price tag of 999US$.
Core i7 3960X Extreme Edition would feature 6 Cores/ 12 Threads, 15MB L3 Cache. Stock clock speed would be maintained at 3.33Ghz which can turbo upto 3.9Ghz. This CPU would replace the current fastest Core i7 990X CPU, Also the CPU would be shipped without any cooling solution as reported earlier over here.
The Core i7 3930K (Unlocked Multiplier) Processor would replace the Core i7 970 and would come with a price tag of US$583, Considering this means that you'd be paying 400$ more for a 100mhz clock speed and 3MB more L3 Cache. Performance wise it can't be said how much of a difference would the 3960X offer over this. Both feature overclocking and 6C/12Threads.
The Entry level Core i7 3820 Quad Core which features a locked multiplier and 10MB L3 Cache would be priced at $294 which is same as the Sandy Bridge's Flagship i72600K CPU, Can't say anything about performance gains over it.
Also newer models to the Sandy Bridge-E CPU's and i7 2600K would arrive in 1H 2012, These include a new flagship model Core i7 3980X Extreme Edition CPU, i7 2800K (Replacement for i7 2600K) and two other successors to the 3930K and 3820. These are denoted by the ≥ Symbol shown in the roadmap below:
More info on Sandy Bridge-E Processors below: