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    GeForce GT 640M vs Radeon HD 7730

    When choosing between GeForce GT 640M and Radeon HD 7730, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640M and Radeon HD 7730.
    GeForce GT 640M Check Price
    Radeon HD 7730 Check Price

    GeForce GT 640M is a Laptop Graphics Card

    Note: GeForce GT 640M 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 here:

    GeForce GT 640M Laptops

    Main Specs

      GeForce GT 640M Radeon HD 7730
    Power consumption (TDP) 32 Watt 47 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 1 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon HD 7730 has 46% more power consumption, than GeForce GT 640M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • GeForce GT 640M has 1 GB more memory, than Radeon HD 7730.
    • GeForce GT 640M is used in Laptops, and Radeon HD 7730 - in Desktops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon HD 7730 - with GCN 1.0.
    • GeForce GT 640M and Radeon HD 7730 are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon HD 7730 is 2700 MHz higher, than GeForce GT 640M.

    Game benchmarks

    high / 1080p 0−1 3−4
    ultra / 1080p 0−1 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 10−12 14−16
    medium / 1080p 2−3 5−6
    The average gaming FPS of Radeon HD 7730 in Assassin's Creed Odyssey is 66% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon HD 7730
    Architecture Kepler GCN 1.0
    Code name N13P-GS Cape Verde
    Type Laptop Desktop
    Release date 22 March 2012 1 May 2013
    Pipelines 384 384
    Core clock speed 800 MHz
    Boost Clock 645 MHz
    Transistor count 1,270 million 1,500 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 19.20
    Floating-point performance 480.0 gflops 614.4 gflops
    Length 168 mm
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 - 4000 MHz 4500 MHz
    Memory bandwidth 72 GB/s
    Shared memory -
    DirectX 12 API 12 (11_1)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan 1.1.126 1.2.131
    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
    Optimus +
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