HWBench.com

    AMD Ryzen 7 5800X vs AMD Ryzen 9 3900XT

    AMD Ryzen 7 5800X
    AMD Socket AM4DESKTOP
    3800 MHz / Cores: 8 / Nov 2020
    AMD Ryzen 7 5800X
    AMD Ryzen 9 3900XT
    AMD Socket AM4DESKTOP
    3900 MHz / Cores: 12 / unknown
    AMD Ryzen 9 3900XT

    Summary

    Synthetic performance index

    • AMD Ryzen 7 5800X
      102%
    • AMD Ryzen 9 3900XT
      100%

    Relative performance

    Single thread performance index

    • AMD Ryzen 7 5800X
      124%
    • AMD Ryzen 9 3900XT
      100%

    Relative performance

    Multi thread performance index

    • AMD Ryzen 7 5800X
      100%
    • AMD Ryzen 9 3900XT
      124%

    Relative performance

    Reasons to consider AMD Ryzen 7 5800X

    Much higher single threaded performance (around 24% higher), makes a noticeable performance difference in gaming and the majority of applications.

    Reasons to consider AMD Ryzen 9 3900XT

    Much higher multi threaded performance (around 24% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
    No winner

    Gaming

    No clear winner declared

    AMD Ryzen 9 3900XT

    Productivity

    HWBench recommends AMD Ryzen 9 3900XT

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

    Specifications

    Features

    AMD Ryzen 7 5800XAMD Ryzen 9 3900XT
    MMX
    SSE
    SSE2
    SSE3
    SSSE3
    SSE4A
    SSE4.1
    SSE4.2
    AES
    AVX
    AVX2
    BMI1
    BMI2
    SHA
    F16C
    FMA3
    AMD64
    EVP
    AMD-V
    SMAP
    SMEP
    SMT
    Precision Boost 2
    XFR 2

    Architecture

    AMD Ryzen 7 5800XAMD Ryzen 9 3900XT
    ArchitectureAMD Zen 3vsAMD Zen 2
    MarketDesktopvsDesktop
    Memory SupportDDR4-3200 MHz Dual-channelvsDDR4-3200 MHz Dual-channel
    CodenameVermeervsMatisse
    Release DateNov 2020vsunknown

    Cores

    AMD Ryzen 7 5800XAMD Ryzen 9 3900XT
    Cores8vs12
    Threads16vs24
    SMPs1vs1
    Integrated GraphicsNovsNo

    Cache

    AMD Ryzen 7 5800XAMD Ryzen 9 3900XT
    L1 Cache64K (per core)vs96K (per core)
    L2 Cache512K (per core)vs512K (per core)
    L3 Cache32MBvs64MB

    Physical

    AMD Ryzen 7 5800XAMD Ryzen 9 3900XT
    SocketAMD Socket AM4vsAMD Socket AM4
    Max Case Temp95°Cvs95°C
    PackagevsµOPGA-1331
    Die Sizeunknownvs74mm²
    Process7 nmvs7 nm

    Performance

    AMD Ryzen 7 5800XAMD Ryzen 9 3900XT
    Cpu Frequency3800 MHzvs3900 MHz
    Turbo Clock4700 MHzvs4700 MHz
    Base Clock100 MHzvs100 MHz
    VoltageN/AvsN/A
    TDP105 Wvs105 W

    Raw performance index

    Raw single-thread performance estimation

    • AMD Ryzen 7 5800X
      5640 points
    • AMD Ryzen 9 3900XT
      5264 points

    Points - higher is better

    Raw multi-thread performance estimation

    • AMD Ryzen 7 5800X
      44505 points
    • AMD Ryzen 9 3900XT
      63947 points

    Points - higher is better

    Synthetic benchmarks

    Cinebench R15 CPU Single 64Bit

    • AMD Ryzen 7 5800X (simulated)
      266.33
    • AMD Ryzen 9 3900XT
      214

    points - higher is better

    Cinebench R15 CPU Multi 64Bit

    • AMD Ryzen 7 5800X (simulated)
      2551.14
    • AMD Ryzen 9 3900XT
      3168

    points - higher is better

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