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    GeForce GT 640M vs Mobility Radeon HD 5870

    In this comparison between GeForce GT 640M and Mobility Radeon HD 5870 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 GeForce GT 640M will be the best choice, for others Mobility Radeon HD 5870 will be their preference. Study the comparison tables below and make your choice.
    GeForce GT 640M Check Price
    Mobility Radeon HD 5870 Check Price

    GeForce GT 640M and Mobility Radeon HD 5870 are Laptop Graphics Cards

    Note: GeForce GT 640M and Mobility Radeon HD 5870 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 GeForce GT 640M or Mobility Radeon HD 5870 here:

    GeForce GT 640M Laptops
    Mobility Radeon HD 5870 Laptops

    Main Specs

      GeForce GT 640M Mobility Radeon HD 5870
    Power consumption (TDP) 32 Watt 50 Watt
    Interface PCIe 3.0 x16 MXM-B (3.0)
    Memory type DDR3\GDDR5 DDR3, GDDR3, GDDR5
    Maximum RAM amount 2 GB 1 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 5870 has 56% more power consumption, than GeForce GT 640M.
    • GeForce GT 640M is connected by PCIe 3.0 x16, and Mobility Radeon HD 5870 uses MXM-B (3.0) interface.
    • GeForce GT 640M has 1 GB more memory, than Mobility Radeon HD 5870.
    • Both cards are used in Laptops.
    • GeForce GT 640M is build with Kepler architecture, and Mobility Radeon HD 5870 - with Terascale 2.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Mobility Radeon HD 5870 - by 40 nm process technology.
    • Memory clock speed of GeForce GT 640M is 800 MHz higher, than Mobility Radeon HD 5870.

    Game benchmarks

    high / 1080p 0−1 10−11
    ultra / 1080p 0−1 6−7
    QHD / 1440p 0−1 0−1
    low / 720p 10−12 21−24
    medium / 1080p 2−3 12−14
    The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 183% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Mobility Radeon HD 5870
    Architecture Kepler Terascale 2
    Code name N13P-GS Broadway-XT
    Type Laptop Laptop
    Release date 22 March 2012 7 January 2010
    Pipelines 384 800
    Core clock speed 700 MHz
    Boost Clock 645 MHz
    Transistor count 1,270 million 1,040 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 28.00
    Floating-point performance 480.0 gflops 1,120.0 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 - 4000 MHz 1000 MHz
    Memory bandwidth 64 GB/s
    Shared memory - -
    DirectX 12 API 11.2 (11_0)
    Shader Model 5.1 5.0
    OpenGL 4.5 4.4
    OpenCL 1.1 1.2
    Vulkan 1.1.126 N/A
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 18 Mh/s
    Laptop size medium sized large
    Optimus +
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