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    GeForce GT 640M LE vs Mobility Radeon HD 4870 X2

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Mobility Radeon HD 4870 X2. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640M LE and Mobility Radeon HD 4870 X2. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GT 640M LE Check Price
    Mobility Radeon HD 4870 X2 Check Price

    GeForce GT 640M LE and Mobility Radeon HD 4870 X2 are Laptop Graphics Cards

    Note: GeForce GT 640M LE and Mobility Radeon HD 4870 X2 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 LE or Mobility Radeon HD 4870 X2 here:

    GeForce GT 640M LE Laptops
    Mobility Radeon HD 4870 X2 Laptops

    Main Specs

      GeForce GT 640M LE Mobility Radeon HD 4870 X2
    Power consumption (TDP) 20 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Memory type DDR3\DDR5 GDDR3, GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • GeForce GT 640M LE and Mobility Radeon HD 4870 X2 have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Mobility Radeon HD 4870 X2 - with Terascale 1.
    • GeForce GT 640M LE is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 X2 - by 55 nm process technology.
    • Memory clock speed of GeForce GT 640M LE is 912 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 0−1 9−10
    ultra / 1080p − 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 21−24
    medium / 1080p 0−1 12−14
    The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 2100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Mobility Radeon HD 4870 X2
    Architecture Fermi / Kepler Terascale 1
    Code name N13P-LP M98-XT
    Type Laptop Laptop
    Release date 22 March 2012 9 January 2009
    Pipelines 384 1600
    Core clock speed 550 MHz
    Transistor count 585 million 956 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 22.00
    Floating-point performance 384.0 gflops 2x 880.0 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 888 MHz
    Memory bandwidth 89.6 GB/s
    Shared memory - -
    DirectX 12 API 10.1 (10_1)
    Shader Model 5.1 4.1
    OpenGL 4.5 3.3
    OpenCL 1.1 1.1
    Vulkan N/A N/A
    CUDA +
    CUDA cores Up to 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) 14 Mh/s
    Laptop size medium sized large
    Optimus +
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