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    GeForce GT 640M vs Radeon R9 M395

    When choosing between GeForce GT 640M and Radeon R9 M395, 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 R9 M395.
    GeForce GT 640M Check Price
    Radeon R9 M395 Check Price

    GeForce GT 640M and Radeon R9 M395 are Laptop Graphics Cards

    Note: GeForce GT 640M and Radeon R9 M395 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 Radeon R9 M395 here:

    GeForce GT 640M Laptops
    Radeon R9 M395 Laptops

    Main Specs

      GeForce GT 640M Radeon R9 M395
    Power consumption (TDP) 32 Watt
    Interface PCIe 3.0 x16
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs
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    • Radeon R9 M395 has 2 GB more memory, than GeForce GT 640M.
    • Both cards are used in Laptops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon R9 M395 - with GCN.
    • GeForce GT 640M and Radeon R9 M395 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M is 550 MHz higher, than Radeon R9 M395.

    Game benchmarks

    high / 1080p 0−1 35−40
    ultra / 1080p 0−1 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 10−12 60−65
    medium / 1080p 2−3 40−45
    The average gaming FPS of Radeon R9 M395 in Assassin's Creed Odyssey is 766% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon R9 M395
    Architecture Kepler GCN
    Code name N13P-GS
    Type Laptop Laptop
    Release date 22 March 2012 9 June 2015
    Pipelines 384 1792
    Core clock speed 834 MHz
    Boost Clock 645 MHz
    Transistor count 1,270 million 5000 Million
    Manufacturing process technology 28 nm 28 nm
    Floating-point performance 480.0 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 1250 MHz
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1
    OpenGL 4.5 4.4
    OpenCL 1.1 Not Listed
    Vulkan 1.1.126 +
    CUDA +
    FreeSync +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 18 Mh/s 336 Mh/s
    Laptop size medium sized large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    TrueAudio +
    ZeroCore +
    Switchable graphics +
    Mantle +
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