Mainstream and high-end are just on different debut schedule cycles apart by 8 months, they don't overlap or succeed each other. LGA1150 only succeeds LGA1155.
Haswell mainstream will arrive in summer 2013, Ivy-E later in the year for X79, then next summer 2014 we'll see if those Broadwell solder rumors are true or not. If they end up true, then you'll see enthusiasts migrate to Haswell-E in X99 chipset later next year-- that will succeed X79, so we still have another 18 months or so for that.
That said, if you run a program that doesn't use all the cores available in a 6-core processor, then of course Core i7-4770K will seem faster than i7-3970X, just like 2600K did to 990X; doesn't mean they succeed each other though. It is about what you do; though it is only a matter of time before another feels threatened by new stuff.
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Posted by: lehpron

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Date: 03/04/13 01:28:06 AM]