HWBench.com

    Intel Core i7-7740X vs Intel Core i7-7700K

    Intel Core i7-7740X
    Intel Socket 2066DESKTOP
    4300 MHz / Cores: 4 / Jun 2017
    Intel Core i7-7740X
    Intel Core i7-7700K
    Intel Socket 1151DESKTOP
    4200 MHz / Cores: 4 / Sep 2016
    Intel Core i7-7700K

    Summary

    Synthetic performance index

    • Intel Core i7-7740X
      108%
    • Intel Core i7-7700K
      100%

    Relative performance

    Single thread performance index

    • Intel Core i7-7740X
      109%
    • Intel Core i7-7700K
      100%

    Relative performance

    Multi thread performance index

    • Intel Core i7-7740X
      107%
    • Intel Core i7-7700K
      100%

    Relative performance

    Reasons to consider Intel Core i7-7740X

    9% higher single threaded performance.
    7% higher multi threaded performance.
    Around 8% higher average synthetic performance.

    Reasons to consider Intel Core i7-7700K

    Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-7740X.
    Intel Core i7-7740X

    Gaming

    HWBench recommends Intel Core i7-7740X

    Based on game and synthetic benchmarks, and theoretical specifications.
    No winner

    Productivity

    No clear winner declared

    Specifications

    Features

    Intel Core i7-7740XIntel Core i7-7700K
    MMX
    SSE
    SSE2
    SSE3
    SSSE3
    SSE4.2
    AVX
    AVX2
    EIST
    Intel 64
    XD bit
    VT-x
    VT-d
    HTT
    AES-NI
    TSX
    TXT
    CLMUL
    FMA3
    F16C
    BMI1
    BMI2
    Boost 2.0

    Architecture

    Intel Core i7-7740XIntel Core i7-7700K
    ArchitectureIntel_KabylakevsIntel_Kabylake
    MarketDesktopvsDesktop
    Memory SupportDDR4vsDDR4
    CodenameKaby Lake-XvsKaby Lake
    Release DateJun 2017vsSep 2016

    Cores

    Intel Core i7-7740XIntel Core i7-7700K
    Cores4vs4
    Threads8vs8
    SMPs1vs1
    Integrated GraphicsNovsIntel HD Graphics 630

    Cache

    Intel Core i7-7740XIntel Core i7-7700K
    L1 Cache64 KB (per core)vs64 KB (per core)
    L2 Cache256 KB (per core)vs256 KB (per core)
    L3 Cache8192 KB (shared)vs8192 KB (shared)

    Physical

    Intel Core i7-7740XIntel Core i7-7700K
    SocketIntel Socket 2066vsIntel Socket 1151
    Max Case Temp72°Cvs72°C
    PackageFC-LGA2066vs
    Die Size308mm²vsunknown
    Process14 nmvs14 nm

    Performance

    Intel Core i7-7740XIntel Core i7-7700K
    Cpu Frequency4300 MHzvs4200 MHz
    Turbo Clock4600 MHzvs4500 MHz
    Base Clock100 MHzvs100 MHz
    Voltageunknownvsunknown
    TDP112 Wvs95 W

    Raw performance index

    Raw single-thread performance estimation

    • Intel Core i7-7740X
      5520 points
    • Intel Core i7-7700K
      5400 points

    Points - higher is better

    Raw multi-thread performance estimation

    • Intel Core i7-7740X
      24768 points
    • Intel Core i7-7700K
      24192 points

    Points - higher is better

    Synthetic benchmarks

    Cinebench R15 CPU Single 64Bit

    • Intel Core i7-7740X (simulated)
      214.67
    • Intel Core i7-7700K
      196

    points - higher is better

    Cinebench R15 CPU Multi 64Bit

    • Intel Core i7-7740X (simulated)
      1047.53
    • Intel Core i7-7700K
      972

    points - higher is better

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