HWBench.com

    AMD Phenom II X4 840 vs AMD FX-4300

    AMD Phenom II X4 840
    AMD Socket AM3DESKTOP
    3200 MHz / Cores: 4 / Jan 2011
    AMD Phenom II X4 840
    AMD FX-4300
    AMD Socket AM3+DESKTOP
    3800 MHz / Cores: 4 / Oct 2012
    AMD FX-4300

    Summary

    Synthetic performance index

    • AMD Phenom II X4 840
      100%
    • AMD FX-4300
      108%

    Relative performance

    Single thread performance index

    • AMD Phenom II X4 840
      100%
    • AMD FX-4300
      119%

    Relative performance

    Multi thread performance index

    • AMD Phenom II X4 840
      101%
    • AMD FX-4300
      100%

    Relative performance

    Reasons to consider AMD Phenom II X4 840

    None

    Reasons to consider AMD FX-4300

    19% higher single threaded performance.
    This is a newer product, it might have better application compatibility/performance (check features chart below).
    No winner

    Gaming

    No clear winner declared

    No winner

    Productivity

    No clear winner declared

    Specifications

    Features

    AMD Phenom II X4 840AMD FX-4300
    MMX
    3DNow!
    SSE
    SSE2
    SSE3
    SSE4A
    AMD64
    NX bit
    AMD Virtualization
    SSSE3
    SSE4.1
    SSE4.2
    SSE4a
    AMD-V
    AES
    AVX
    CLMUL
    CVT16
    EVP
    FMA4
    XOP
    Turbo Core
    HT3.1

    Architecture

    AMD Phenom II X4 840AMD FX-4300
    ArchitectureAMD K10vsAMD Piledriver
    MarketDesktopvsDesktop
    Memory SupportDDR3vsDDR3
    CodenamePropusvsVishera
    Release DateJan 2011vsOct 2012

    Cores

    AMD Phenom II X4 840AMD FX-4300
    Cores4vs4
    Threads4vs4
    SMPs1vs1
    Integrated GraphicsNovsNo

    Cache

    AMD Phenom II X4 840AMD FX-4300
    L1 Cache128 KB (per core)vs192 KB
    L2 Cache512 KB (per core)vs4096 KB
    L3 Cache0 KBvs8192 KB (shared)

    Physical

    AMD Phenom II X4 840AMD FX-4300
    SocketAMD Socket AM3vsAMD Socket AM3+
    Max Case Tempunknownvsunknown
    PackageuPGAvsuPGA
    Die Size169mm²vs315mm²
    Process45 nmvs32 nm

    Performance

    AMD Phenom II X4 840AMD FX-4300
    Cpu Frequency3200 MHzvs3800 MHz
    Turbo Clocknonevs4000 MHz
    Base Clock200 MHzvs200 MHz
    Voltage1.4 Vvs1.425 V
    TDP95 Wvs95 W

    Raw performance index

    Raw single-thread performance estimation

    • AMD Phenom II X4 840
      2016 points
    • AMD FX-4300
      2440 points

    Points - higher is better

    Raw multi-thread performance estimation

    • AMD Phenom II X4 840
      8064 points
    • AMD FX-4300
      7603 points

    Points - higher is better

    Synthetic benchmarks

    GeekBench 3 (32-bit Multi Core)

    • AMD Phenom II X4 840
      5504
    • AMD FX-4300
      5412

    points - higher is better

    GeekBench 3 (32-bit Single Core)

    • AMD Phenom II X4 840
      1627
    • AMD FX-4300
      1941

    points - higher is better

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