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Intel Core i7-3960X Review: Sandy Bridge-E And X79 Express

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Intel's Sandy Bridge design impressed us nearly a year ago, but it was intended for mainstream customers. The company took its time readying the enthusiast version, Sandy Bridge-E. Now, the LGA 2011-based platform and its accompanying CPUs are ready.

Core i7-3960X Versus Core i7-990X

Across 16 different threaded and single-threaded applications, not counting games, Core i7-3960X is about 12% faster than Core i7-990X.

Price-wise, the processors are pretty comparable, though remember that Intel isn’t bundling a cooler with its Sandy Bridge-E-based CPUs. Also, you’ll need an X79-based motherboard and a quad-channel memory kit.

That’s an expensive list of upgrades for a 12% boost if you already own Core i7-990X. But if you have money burning a hole in your pocket, this flagship most certainly outperforms the old one.

120 Comments Comment from the forums
  • Maziar 14 November 2011 14:23
    Wow,lots of details and benchies.Great review as always Chris !
    Reply
  • SpadeM 14 November 2011 14:50
    So no SAS/Full Sata 3 ports but u do get PCIe 3 ... no Quicksync but u do get 2 more cores and the added cache ... no USB 3.0 but u get quad channel memory which in real life every day computing is a minimal gain at best. Feels an awful lot like a weak trade if you ask me. I'm basically asked to buy the P67 chipset with sprinkles on top. And for 1000$ it feels like it falls short. For heavy workloads it's cheaper and faster to make yourself 2 systems based on 1155 or bulldozer and render, fold, chew numbers that way. X79 should have launched with an ivy bridge based cpu inside and a better chipset to live to it's name.
    What we have today is simply a platform for bragging rights not a serious contender to the X38, X48, X58 family.
    Reply
  • nikorr 14 November 2011 14:58
    Enjoyed the review Chris ! WoW.
    Reply
  • illfindu 14 November 2011 15:00
    Not to take the review to much off topic but its worth bringing up because this review was so complete , as in covering a vast array of situations and programs. Its truly embarrassing for AMD that the FX-8XXX series is beaten not only bye chips with half the cores but half the cores that are a generation behind. In fact as of this moment the FX set is almost inspiring it its lack of any value at first glance at some of these marks one could say that AMD's most expensive chip at over 200$ is one of its slowest being beaten bye both the x4 and x6 phenoms.
    Reply
  • redsunrises 14 November 2011 15:07
    Illfindu, you are beating a dead horse... Old news, lets move on (sorry, just tired of the same thing being said over and over, which will end in an amd fanboy fight). Great review though!
    Reply
  • ohim 14 November 2011 15:12
    This article tells me 2 things , either our current software is a total piece of crap since it has absolutely no clue of multi core cpus, or the future without AMD is so grim that intel makes you pay 1000 bucks for a cpu that doesn`t perform really that fast ... but for sure the software industry needs to take a better look at those multicore optimisations.
    Reply
  • stonedatheist 14 November 2011 15:12
    I think Intel would be raking in the dough if they left all 8 cores enabled for the 3960X. I doubt that a later revision will enable them. 8c/16t will probably hit the desktop with IB-E (can't wait) :)
    Reply
  • joytech22 14 November 2011 15:13
    :| Well AMD is fighting a losing battle.. (In High-End CPU's, which I actually use for rendering etc..)
    I would LOVE to see them pick up their game and provide me with a worthy upgrade over my 4GHz i7 2600 (Non-K). I would swoop it up.

    Look, BD had 4 modules with two "cores" each, each module is equivalent to a Sandy Bridge core.
    They should just combine both of those cores or make them a single core, so we get 4 threads.

    Then create 4-6-8 core versions of those CPU's..
    Think about it.. the FX8150 is more of a 4-core CPU where the resources are halved pretty much so you get two threads per core, it would have been MUCH MUCH better if they just kept 4 strong cores.


    Not sure why either but I always seem to start an AMD related comment :\
    Reply
  • sudeshc 14 November 2011 15:21
    great but too expensive....
    Reply
  • JeanLuc 14 November 2011 15:23
    Hi Chris,

    The labels are wrong on the graphs on this page the last ones should read DDR2-2133 on the last two shouldn't it?

    JeanLuc
    Reply