HWBench.com

    AMD Phenom II X4 840 vs AMD Athlon II X4 651K

    AMD Phenom II X4 840
    AMD Socket AM3DESKTOP
    3200 MHz / Cores: 4 / Jan 2011
    AMD Phenom II X4 840
    AMD Athlon II X4 651K
    AMD Socket FM1DESKTOP
    3000 MHz / Cores: 4 / Nov 2011
    AMD Athlon II X4 651K

    Summary

    Reasons to consider AMD Phenom II X4 840

    None

    Reasons to consider AMD Athlon II X4 651K

    Higher theoretical gaming performance, based on raw specifications plus core architecture.
    Higher theoretical multi-threaded performance, based on specifications plus core architecture.
    Higher overall performance, based on specifications plus core architecture.
    AMD Athlon II X4 651K

    Gaming

    HWBench recommends AMD Athlon II X4 651K

    Based on game and synthetic benchmarks, and theoretical specifications.
    AMD Athlon II X4 651K

    Productivity

    HWBench recommends AMD Athlon II X4 651K

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

    Specifications

    Features

    AMD Phenom II X4 840AMD Athlon II X4 651K
    MMX
    3DNow!
    SSE
    SSE2
    SSE3
    SSE4A
    AMD64
    NX bit
    AMD Virtualization
    AMD-V

    Architecture

    AMD Phenom II X4 840AMD Athlon II X4 651K
    ArchitectureAMD K10vsAMD LLano
    MarketDesktopvsDesktop
    Memory SupportDDR3vsDDR3
    CodenamePropusvsLlano
    Release DateJan 2011vsNov 2011

    Cores

    AMD Phenom II X4 840AMD Athlon II X4 651K
    Cores4vs4
    Threads4vs4
    SMPs1vs1
    Integrated GraphicsNovsNo

    Cache

    AMD Phenom II X4 840AMD Athlon II X4 651K
    L1 Cache128 KB (per core)vs128 KB (per core)
    L2 Cache512 KB (per core)vs1024 KB (per core)
    L3 Cache0 KBvs0 KB

    Physical

    AMD Phenom II X4 840AMD Athlon II X4 651K
    SocketAMD Socket AM3vsAMD Socket FM1
    Max Case Tempunknownvsunknown
    PackageuPGAvsuPGA
    Die Size169mm²vs228mm²
    Process45 nmvs32 nm

    Performance

    AMD Phenom II X4 840AMD Athlon II X4 651K
    Cpu Frequency3200 MHzvs3000 MHz
    Turbo Clocknonevsnone
    Base Clock200 MHzvs100 MHz
    Voltage1.4 Vvs1.4125 V
    TDP95 Wvs100 W

    Raw performance index

    Raw single-thread performance estimation

    • AMD Phenom II X4 840
      2016 points
    • AMD Athlon II X4 651K
      3000 points

    Points - higher is better

    Raw multi-thread performance estimation

    • AMD Phenom II X4 840
      8064 points
    • AMD Athlon II X4 651K
      12000 points

    Points - higher is better

    Similar comparisons

    AMD Phenom II X4 840VS Intel Core i5-1035G1
    AMD Phenom II X4 840Intel Core i5-1035G1
    AMD Phenom II X4 840VS Intel Core i7-1060G7
    AMD Phenom II X4 840Intel Core i7-1060G7
    AMD Athlon II X4 651KVS AMD Ryzen 5 3580U
    AMD Athlon II X4 651KAMD Ryzen 5 3580U
    AMD Athlon II X4 651KVS Intel Core i7-10710U
    AMD Athlon II X4 651KIntel Core i7-10710U
    Intel Pentium Gold G6400VS Intel Pentium Gold G6500
    Intel Pentium Gold G6400Intel Pentium Gold G6500
    Intel Pentium Gold G6500VS AMD Ryzen 3 4300U
    Intel Pentium Gold G6500AMD Ryzen 3 4300U