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    GeForce GT 640M LE vs Radeon HD 7660G plus HD 7670M Dual Graphics

    If you are going to buy a new graphics card and are choosing between GeForce GT 640M LE and Radeon HD 7660G plus HD 7670M Dual Graphics, 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 7660G plus HD 7670M Dual Graphics, check out specs charts below.
    GeForce GT 640M LE Check Price
    Radeon HD 7660G plus HD 7670M Dual Graphics Check Price

    GeForce GT 640M LE and Radeon HD 7660G plus HD 7670M Dual Graphics are Laptop Graphics Cards

    Note: GeForce GT 640M LE and Radeon HD 7660G plus HD 7670M Dual Graphics 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 Radeon HD 7660G plus HD 7670M Dual Graphics here:

    GeForce GT 640M LE Laptops
    Radeon HD 7660G plus HD 7670M Dual Graphics Laptops

    Main Specs

      GeForce GT 640M LE Radeon HD 7660G plus HD 7670M Dual Graphics
    Power consumption (TDP) 20 Watt
    Interface PCIe 2.0 x16
    Memory type DDR3\DDR5 DDR3,GDDR5
    Maximum RAM amount 2 GB
    Display Connectors No outputs
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    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 7660G plus HD 7670M Dual Graphics - with Terascale 2.
    • GeForce GT 640M LE is manufactured by 28 nm process technology, and Radeon HD 7660G plus HD 7670M Dual Graphics - by 40 / 32 nm process technology.
    • Memory clock speed of GeForce GT 640M LE and Radeon HD 7660G plus HD 7670M Dual Graphics is 1800 MHz.

    Game benchmarks

    high / 1080p 0−1 1−2
    ultra / 1080p − 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 12−14
    medium / 1080p 0−1 3−4
    The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Assassin's Creed Odyssey is 1200% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Radeon HD 7660G plus HD 7670M Dual Graphics
    Architecture Fermi / Kepler Terascale 2
    Code name N13P-LP
    Type Laptop Laptop
    Release date 22 March 2012 15 May 2012
    Pipelines 384 862
    Core clock speed 685 / 600 MHz
    Transistor count 585 million
    Manufacturing process technology 28 nm 40 / 32 nm
    Floating-point performance 384.0 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 - 4000 MHz 1800 MHz
    Shared memory - -
    DirectX 12 API DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan 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 medium sized
    Optimus +
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