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    GeForce GT 640M LE vs Radeon R9 M395X

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon R9 M395X. 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 Radeon R9 M395X. 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
    Radeon R9 M395X Check Price

    GeForce GT 640M LE and Radeon R9 M395X are Laptop Graphics Cards

    Note: GeForce GT 640M LE and Radeon R9 M395X 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 R9 M395X here:

    GeForce GT 640M LE Laptops
    Radeon R9 M395X Laptops

    Main Specs

      GeForce GT 640M LE Radeon R9 M395X
    Power consumption (TDP) 20 Watt 250 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M395X has 1150% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon R9 M395X uses PCIe 3.0 x16 interface.
    • Radeon R9 M395X has 2 GB more memory, than GeForce GT 640M LE.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon R9 M395X - with GCN 3.
    • GeForce GT 640M LE and Radeon R9 M395X are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M LE is 550 MHz higher, than Radeon R9 M395X.

    Game benchmarks

    high / 1080p 0−1 24−27
    ultra / 1080p − 14−16
    QHD / 1440p 0−1 9−10
    4K / 2160p − 6−7
    low / 720p 1−2 45−50
    medium / 1080p 0−1 30−35
    The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 4600% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Radeon R9 M395X
    Architecture Fermi / Kepler GCN 3
    Code name N13P-LP Amethyst XT
    Type Laptop Laptop
    Release date 22 March 2012 16 October 2014
    Pipelines 384 2048
    Core clock speed 723 MHz
    Transistor count 585 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 92.54
    Floating-point performance 384.0 gflops 2,961 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 1250 MHz
    Memory bandwidth 160.0 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 6.3
    OpenGL 4.5 4.4
    OpenCL 1.1 Not Listed
    Vulkan N/A
    CUDA +
    FreeSync +
    CUDA cores Up to 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) 14 Mh/s 413 Mh/s
    Laptop size medium sized large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    TrueAudio +
    ZeroCore +
    Switchable graphics +
    Mantle +
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