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CPU

Intel Core i7-8700 3.2 GHz 6-Core Processor

(44 Ratings, 4.9 Average)

Prices

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Specifications

Manufacturer

Intel

Part #

BX80684I78700

Manufacturer

Intel

Core Count

6

Core Clock

3.2 GHz

Boost Clock

4.6 GHz

TDP

65 W

Series

Intel Core i7

Microarchitecture

Coffee Lake

Core Family

Coffee Lake

Socket

LGA1151

Integrated Graphics

Intel UHD Graphics 630

Maximum Supported Memory

128 GB

ECC Support

No

Packaging

Boxed

Includes CPU Cooler

Yes

L1 Cache

  • 6 x 32 kB Instruction
  • 6 x 32 kB Data

L2 Cache

6 x 256 kB

L3 Cache

1 x 12 MB

Lithography

14 nm

Simultaneous Multithreading

Yes: Hyper-Threading

Price History

    Reviews

    Silvermike
    • 207 points
    • 6 months ago

    Fast enough... but I need to delid to get max performance.

    Dragon0000007
    • 43 points
    • 12 months ago

    from completed build Cute White ITX Lazer3D SFF

    Better that “K” for ITX, because it’s more efficient to undervolt it -0.9v, VCCIO and VCCSA to 1.15, and then upgrade its build-in overclock: Turbo Boost (long OC) up from 65W to 95W, and Max TurboBoost (short ultraOC) up from 122W to 125W, its duration from 25 sec. up to 96 sec. Yes, 8700 base freq is 3200, but this setup allow you to stay at I7-8700 built-in OC 4300/4600(1 core) longer and safer. This is done in Intel XTU utility or in BIOS. So, while browsing (balanced Win10 profile): CPU stays under 3000 Mhz, total power use - under 40W, CPU&GPU temps - under 35C. Browsing (CPU and PSU fans in passive mode) - all the same with temps under 45C.

    Here is the difference between CPU power profiles in Win10: (5%) idle CPU stays under 2000 MHz, consuming 15W. (100%) idle CPU stays at 4300 Mhz, consuming 20W. Stress Testing: 4300 Mhz (6 cores), total consumption stays under 250W, CPU&GPU temps under 70C. On the other hand, overclocking “K” to 5000Mhz means something like +10% faster and +100% more power consumption, not really efficient.

    Also, if your build is really silent, you could start hearing strange very quiet whines. It’s Asrock motherboard’s fault. Just disable CPU C-States in BIOS to stop them. C-States downvolt CPU at idle, but sometimes too awkwardly (voltage will jump and overload motherboard’s capacitors). Win10 does the same job anyway, just without whining. Also, if you disable C7 state only, bad "whine" will go, but you'll still be able to hear CPU "working". It's kind of cute, like very quiet old IBM System 360.

    Pentium88
    • 30 points
    • 18 months ago

    Very fast CPU - excellent for gaming and multitasking. Intel 8th generation CPUs give a big performance boost compared to pervious Intel generations.

    erp987
    • 27 points
    • 23 months ago

    from completed build My Demise!

    Works as intended, don't plan to overclock or anything so i got the non K version, plus I'm no programmer or heavy software user. Its enough for my gaming needs and Internet entertainment.

    TheAlexHenrik
    • 25 points
    • 20 months ago

    from completed build mITX Build in the Node 202

    Switching from a i5 4690k to this, I am so happy, especially when I play something like Cities: Skylines, butter smooth.

    cygni
    • 24 points
    • 13 months ago

    from completed build Inverted! RTX 2080 + 8700

    Excellent CPU, but only if you remember to get a motherboard that allows you to adjust the TDP of the CPU!

    At stock settings, it will turbo up to 4.3ghz all core, but then quickly cut timing to stay under the 65w rated TDP. This will lead to very disappointing performance numbers from a CPU of this price.

    By going into the motherboard settings of a board with TDP override and manually setting the TDP to 95w or higher, the CPU will turbo up to 4.3ghz and stay there, meaning it will exactly match the performance of a more expensive stock 8700K!

    flyxman007
    • 21 points
    • 23 months ago

    from completed build My super computer

    It is really a powerful CPU! It can run up to 4.7GHz. I had trouble to decide between this and AMD CPUs. 1600x with mobo costs me around 280. It will cost me 70 more to use 1700, or same price as this if I use 1800x. Given Node202 is such a small case, lower TDP is better. Overall 8700 gives me better performance, lower TDP, stable platform. Plus, I like the mobo has 8 USB ports at rear. I need use a couple of external HDD, USB drive, wireless keyboard, wireless mouse. 8700k is overpriced at the moment, without overclocking, there is really no difference to 8700.

    caument
    • 16 points
    • 15 months ago

    from completed build RGB-Gone

    Excellent processor for those not looking to overclock. Temps are a nonissue.

    SixSix7
    • 15 points
    • 22 months ago

    from completed build A Leap of Faith

    I knew that I wouldn't have much interest in overclocking but I still wanted a hyperthreaded Coffee Lake processor which left me with only one real choice. The 8700 is basically an 8700K at stock settings except my cores only reach 4.6 GHz as opposed to 4.7 GHz on the 8700K. Installation was super easy and it has absolutely met my expectations so far.

    My only recommendation for anyone interested in this chip is to buy an aftermarket cooler! Even though its locked, the turbo frequencies can still warm things up quite a bit and the stock cooler is pretty ugly!

    Fortgis
    • 13 points
    • 15 months ago

    Got it for 300$ at my (far away) local Frys Electronics. No problems so far, does everything I need it to at a reasonable speed. 6 Cores is nice and the 4.6 turbo boost helps quite a bit as a non-overclocker.

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