HWBench.com

    Intel Core i9-7940X vs Intel Core i9-7920X

    Intel Core i9-7940X
    Intel Socket 2066DESKTOP
    3100 MHz / Cores: 14 / Sep 2017
    Intel Core i9-7940X
    Intel Core i9-7920X
    Intel Socket 2066DESKTOP
    2900 MHz / Cores: 12 / Sep 2017
    Intel Core i9-7920X

    Summary

    Synthetic performance index

    • Intel Core i9-7940X
      116%
    • Intel Core i9-7920X
      100%

    Relative performance

    Single thread performance index

    • Intel Core i9-7940X
      100%
    • Intel Core i9-7920X
      100%

    Relative performance

    Multi thread performance index

    • Intel Core i9-7940X
      134%
    • Intel Core i9-7920X
      100%

    Relative performance

    Reasons to consider Intel Core i9-7940X

    Much higher multi threaded performance (around 34% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.

    Reasons to consider Intel Core i9-7920X

    None
    No winner

    Gaming

    No clear winner declared

    Intel Core i9-7940X

    Productivity

    HWBench recommends Intel Core i9-7940X

    Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.

    Specifications

    Features

    Intel Core i9-7940XIntel Core i9-7920X
    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
    Boost 3.0

    Architecture

    Intel Core i9-7940XIntel Core i9-7920X
    ArchitectureIntel_KabylakevsIntel_Kabylake
    MarketDesktopvsDesktop
    Memory SupportDDR4vsDDR4
    CodenameSkylake-XvsSkylake-X
    Release DateSep 2017vsSep 2017

    Cores

    Intel Core i9-7940XIntel Core i9-7920X
    Cores14vs12
    Threads28vs24
    SMPs1vs1
    Integrated GraphicsNovsNo

    Cache

    Intel Core i9-7940XIntel Core i9-7920X
    L1 Cache64 KB (per core)vs64 KB (per core)
    L2 Cache1024 KB (per core)vs1024 KB (per core)
    L3 Cache19712 KB (shared)vs16896 KB (shared)

    Physical

    Intel Core i9-7940XIntel Core i9-7920X
    SocketIntel Socket 2066vsIntel Socket 2066
    Max Case Tempunknownvs72°C
    PackageFC-LGA2066vsFC-LGA2066
    Die Size428mm²vs428mm²
    Process14 nmvs14 nm

    Performance

    Intel Core i9-7940XIntel Core i9-7920X
    Cpu Frequency3100 MHzvs2900 MHz
    Turbo Clock4400 MHzvs4400 MHz
    Base Clock100 MHzvs100 MHz
    Voltageunknownvsunknown
    TDP165 Wvs140 W

    Raw performance index

    Raw single-thread performance estimation

    • Intel Core i9-7940X
      5280 points
    • Intel Core i9-7920X
      5280 points

    Points - higher is better

    Raw multi-thread performance estimation

    • Intel Core i9-7940X
      62496 points
    • Intel Core i9-7920X
      50112 points

    Points - higher is better

    Synthetic benchmarks

    Cinebench R15 CPU Single 64Bit

    • Intel Core i9-7940X (simulated)
      194
    • Intel Core i9-7920X (simulated)
      195.44

    points - higher is better

    Cinebench R15 CPU Multi 64Bit

    • Intel Core i9-7940X (simulated)
      3077.72
    • Intel Core i9-7920X (simulated)
      2287.31

    points - higher is better

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