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    GeForce GT 640M vs Iris Xe MAX Graphics

    When comparing GeForce GT 640M and Iris Xe MAX Graphics, 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 and Iris Xe MAX Graphics is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GT 640M Check Price
    Iris Xe MAX Graphics Check Price

    GeForce GT 640M and Iris Xe MAX Graphics are Laptop Graphics Cards

    Note: GeForce GT 640M and Iris Xe MAX 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 or Iris Xe MAX Graphics here:

    GeForce GT 640M Laptops
    Iris Xe MAX Graphics Laptops

    Main Specs

      GeForce GT 640M Iris Xe MAX Graphics
    Power consumption (TDP) 32 Watt
    Interface PCIe 3.0 x16
    Memory type DDR3\GDDR5 LPDDR4x
    Maximum RAM amount 2 GB 4 MB
    Display Connectors No outputs
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    • Iris Xe MAX Graphics has 2 GB more memory, than GeForce GT 640M.
    • Both cards are used in Laptops.
    • GeForce GT 640M is build with Kepler architecture, and Iris Xe MAX Graphics - with Gen. 12 Xe.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Iris Xe MAX Graphics - by 10 nm process technology.
    • Memory clock speed of Iris Xe MAX Graphics is 2466 MHz higher, than GeForce GT 640M.

    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 Iris Xe MAX Graphics in Assassin's Creed Odyssey is 766% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Iris Xe MAX Graphics
    Architecture Kepler Gen. 12 Xe
    Code name N13P-GS iDG1LPDEV
    Type Laptop Laptop
    Release date 22 March 2012 31 October 2020
    Pipelines 384 96
    Boost Clock 645 MHz 1650 MHz
    Transistor count 1,270 million
    Manufacturing process technology 28 nm 10 nm
    Floating-point performance 480.0 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 - 4000 MHz 4266 MHz
    Shared memory - -
    DirectX 12 API DirectX 12.1
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan 1.1.126
    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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