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    GeForce GT 640M LE vs Radeon HD 4870 X2

    If you are going to buy a new graphics card and are choosing between GeForce GT 640M LE and Radeon HD 4870 X2, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GT 640M LE stacks up against Radeon HD 4870 X2, check out specs charts below.
    GeForce GT 640M LE Check Price
    Radeon HD 4870 X2

    GeForce GT 640M LE is a Laptop Graphics Card

    Note: GeForce GT 640M LE is only used in laptop graphics. It has 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 here:

    GeForce GT 640M LE Laptops

    Main Specs

      GeForce GT 640M LE Radeon HD 4870 X2
    Power consumption (TDP) 20 Watt 286 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 1 GB
    Display Connectors No outputs 2x DVI, 1x S-Video
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    • Radeon HD 4870 X2 has 1330% more power consumption, than GeForce GT 640M LE.
    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • GeForce GT 640M LE has 1 GB more memory, than Radeon HD 4870 X2.
    • GeForce GT 640M LE is used in Laptops, and Radeon HD 4870 X2 - in Desktops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 4870 X2 - with TeraScale.
    • GeForce GT 640M LE is manufactured by 28 nm process technology, and Radeon HD 4870 X2 - by 55 nm process technology.
    • Memory clock speed of Radeon HD 4870 X2 is 1800 MHz higher, than GeForce GT 640M LE.

    Game benchmarks

    high / 1080p 0−1 3−4
    ultra / 1080p − 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 14−16
    medium / 1080p 0−1 6−7
    The average gaming FPS of Radeon HD 4870 X2 in Assassin's Creed Odyssey is 1400% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Radeon HD 4870 X2
    Architecture Fermi / Kepler TeraScale
    Code name N13P-LP R700
    Type Laptop Desktop
    Release date 22 March 2012 12 August 2008
    Pipelines 384 800
    Core clock speed 700 MHz
    Transistor count 585 million 956 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 28.00
    Floating-point performance 384.0 gflops 2x 1,120.0 gflops
    Length 267 mm
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 3600 MHz
    Memory bandwidth 115.2 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
    Optimus +
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