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    GeForce GT 640M LE vs Radeon R9 M290X

    When comparing GeForce GT 640M LE and Radeon R9 M290X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 640M LE and Radeon R9 M290X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GT 640M LE Check Price
    Radeon R9 M290X Check Price

    GeForce GT 640M LE and Radeon R9 M290X are Laptop Graphics Cards

    Note: GeForce GT 640M LE and Radeon R9 M290X 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 M290X here:

    GeForce GT 640M LE Laptops
    Radeon R9 M290X Laptops

    Main Specs

      GeForce GT 640M LE Radeon R9 M290X
    Power consumption (TDP) 20 Watt 100 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 M290X has 400% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon R9 M290X uses PCIe 3.0 x16 interface.
    • Radeon R9 M290X 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 M290X - with GCN.
    • GeForce GT 640M LE and Radeon R9 M290X are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M LE is 600 MHz higher, than Radeon R9 M290X.

    Game benchmarks

    high / 1080p 0−1 16−18
    ultra / 1080p − 10−11
    QHD / 1440p 0−1 4−5
    4K / 2160p − 4−5
    low / 720p 1−2 30−35
    medium / 1080p 0−1 20−22
    The average gaming FPS of Radeon R9 M290X in Assassin's Creed Odyssey is 3100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Radeon R9 M290X
    Architecture Fermi / Kepler GCN
    Code name N13P-LP Neptune
    Type Laptop Laptop
    Release date 22 March 2012 7 January 2014
    Pipelines 384 1280
    Core clock speed 850 MHz
    Boost Clock 900 MHz
    Transistor count 585 million 2,800 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 72.00
    Floating-point performance 384.0 gflops 2,304 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 1200 MHz
    Memory bandwidth 153.6 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 5.1
    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 x16
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 14 Mh/s 300 Mh/s
    Laptop size medium sized large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 20
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