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    GeForce GT 645M vs Iris Xe MAX Graphics

    In this comparison between GeForce GT 645M and Iris Xe MAX Graphics you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 645M will be the best choice, for others Iris Xe MAX Graphics will be their preference. Study the comparison tables below and make your choice.
    GeForce GT 645M Check Price
    Iris Xe MAX Graphics Check Price

    GeForce GT 645M and Iris Xe MAX Graphics are Laptop Graphics Cards

    Note: GeForce GT 645M 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 645M or Iris Xe MAX Graphics here:

    GeForce GT 645M Laptops
    Iris Xe MAX Graphics Laptops

    Main Specs

      GeForce GT 645M 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 645M.
    • Both cards are used in Laptops.
    • GeForce GT 645M is build with Kepler architecture, and Iris Xe MAX Graphics - with Gen. 12 Xe.
    • GeForce GT 645M 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 645M.

    Game benchmarks

    high / 1080p 1−2 35−40
    ultra / 1080p 0−1 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 12−14 60−65
    medium / 1080p 2−3 40−45
    The average gaming FPS of Iris Xe MAX Graphics in Assassin's Creed Odyssey is 840% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M 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 1650 MHz
    Transistor count 1,270 million
    Manufacturing process technology 28 nm 10 nm
    Texture fill rate 22.7 billion/sec
    Floating-point performance 544.5 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 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) 19 Mh/s
    Laptop size medium sized
    Optimus +
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