The Core i7-8086K Review: 40 Years Of x86

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Threaded workloads remain an uncontested strength of AMD's Zen-based processors and their hefty core counts. But tasks that are also affected by memory performance, such as Blender, allow Core i7 to claim a lead. The multi-core Cinebench and POV-Ray tests are dominated by the Ryzen line-up.

At stock settings, Core i7-8086K lead the -8700K in our single-core POV-Ray and Cinebench benchmarks. Overclocking opened up  a much wider gap between the two CPUs.

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LAME is a single-threaded workload that typically illustrates the advantage of higher clock rates and IPC throughput. Not surprisingly, then, Core i7-8086K's frequency advantage lead to a win.   

Our threaded compression and decompression tests work directly from system memory, removing storage throughput from the equation. Thus, we found that performance scaled according to core/thread count.

y-cruncher, a single- and multi-threaded program that computes pi using AVX instructions, kept itself isolated to one core during our single-threaded test, allowing the Core i7-8086K to flaunt its higher frequency relative to the -8700K. Conversely, the multi-threaded y-cruncher test reminded us that both processors have the same multi-core Turbo Boost frequencies.


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Paul Alcorn
Paul Alcorn

Paul Alcorn is the Deputy Managing Editor for Tom's Hardware US. He writes news and reviews on CPUs, storage and enterprise hardware.
41 Comments Comment from the forums
  • AgentLozen
    Cons:
    -No bundled cooler

    You're saying that if Intel paired their little aluminum heatsink with this CPU you would have been more satisfied with this product?

    I've never heard of this silicon lottery place before. That's neat stuff.
    Reply
  • -Fran-
    I'm going to be unfair, but not too much:

    - We doing something for the 40th anniversary? -> Yes.
    - What do we sell for the 40th anniversary? -> A re-branded 8700K.
    - What do we include to make it more expensive? -> A letter from the CEO we most definitely won't be firing in the upcoming weeks! And a weird bottle with coffee beans in it (it seems?).
    - Do we bother in making it special (metal solder, bundled CLC, etc...) or just pick a couple golden sample 8700Ks? -> Don't bother, shrinks our profit; we don't care about the anniversary or making this special, really.

    Too much cynical thought process there?

    Cheers! :P
    Reply
  • PaulAlcorn
    21093123 said:
    Cons:
    -No bundled cooler

    You're saying that if Intel paired their little aluminum heatsink with this CPU you would have been more satisfied with this product?

    I've never heard of this silicon lottery place before. That's neat stuff.

    Touché
    ;)
    Reply
  • mac_angel
    why is it that internet news media no longer uses proof readers or editors?
    Reply
  • ubercake
    I like the article and the page two comparison with the old 8086.
    Reply
  • ingtar33
    so Intel releases 8000 binned cpus for a $100 markup over their basic cpu, plus some crap, however, this release is by lottery only (as in only the lotto winners have permission to buy this chip), and THG does a review?

    seriously?
    Reply
  • mister g
    " But if you go the Silicon Lottery route, expect to pay even more than a brand new Core i7-8086K costs and lose two years of warranty coverage."

    I thought Intel CPUs usually come with a 3 year warranty?
    Reply
  • Math Geek
    21093328 said:
    this release is by lottery only (as in only the lotto winners have permission to buy this chip), and THG does a review?

    seriously?

    think you missed how it went. they did a drawing to give away a bunch of these chips but they also made the rest available for purchase through the normal routs. no lottery there, just have to be quick on the draw and buy one before they sell out. Tom's bought thier's the same way any of us could have since intel did not send out press samples of it. it's a valid product for sale like any other they review.
    Reply
  • g-unit1111
    21093123 said:
    Cons:
    -No bundled cooler

    You're saying that if Intel paired their little aluminum heatsink with this CPU you would have been more satisfied with this product?

    I've never heard of this silicon lottery place before. That's neat stuff.

    Yeah I noticed that too. Intel hasn't been bundling coolers with its' high end CPUs since the X79 days. I honestly wouldn't count this as a hit against it.
    Reply
  • Krazie_Ivan
    and lets check in with Paul on those 8086k temps...

    https://i.pinimg.com/originals/54/23/5a/54235a5fac7cee9c208e0838115f1752.jpg
    Reply