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    Mobility Radeon HD 5870 Crossfire vs Radeon R7 M340

    In this comparison between Mobility Radeon HD 5870 Crossfire and Radeon R7 M340 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Mobility Radeon HD 5870 Crossfire will be the best choice, for others Radeon R7 M340 will be their preference. Study the comparison tables below and make your choice.
    Mobility Radeon HD 5870 Crossfire Check Price
    Radeon R7 M340 Check Price

    Mobility Radeon HD 5870 Crossfire and Radeon R7 M340 are Laptop Graphics Cards

    Note: Mobility Radeon HD 5870 Crossfire and Radeon R7 M340 are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Mobility Radeon HD 5870 Crossfire or Radeon R7 M340 here:

    Mobility Radeon HD 5870 Crossfire Laptops
    Radeon R7 M340 Laptops

    Main Specs

      Mobility Radeon HD 5870 Crossfire Radeon R7 M340
    Power consumption (TDP) 120 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3, GDDR3, GDDR5 DDR3
    Maximum RAM amount 2x1 GB 4 GB
    Display Connectors No outputs
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    • Radeon R7 M340 has 2 GB more memory, than Mobility Radeon HD 5870 Crossfire.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon R7 M340 - with GCN.
    • Core clock speed of Radeon R7 M340 is 321 MHz higher, than Mobility Radeon HD 5870 Crossfire.
    • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon R7 M340 - by 28 nm process technology.
    • Memory clock speed of Mobility Radeon HD 5870 Crossfire and Radeon R7 M340 is 1000 MHz.

    Game benchmarks

    high / 1080p 16−18 0−1
    ultra / 1080p 9−10 −
    QHD / 1440p 4−5 0−1
    low / 720p 30−35 1−2
    medium / 1080p 18−20 0−1
    The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 3100% more, than Radeon R7 M340.

    Full Specs

      Mobility Radeon HD 5870 Crossfire Radeon R7 M340
    Architecture Terascale 2 GCN
    Code name Broadway-XT Meso Pro DDR3
    Type Laptop Laptop
    Release date 7 January 2010 16 June 2015
    Pipelines 1600 320
    Core clock speed 700 MHz 1021 MHz
    Boost Clock 1021 MHz
    Transistor count 950 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 17.16
    Floating-point performance 549.1 gflops
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 1000 MHz 1000 MHz
    Memory bandwidth 16 GB/s
    Shared memory - -
    DirectX DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.4
    OpenCL Not Listed
    Vulkan +
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 74 Mh/s
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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