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    Iris Plus Graphics 645 vs Quadro M4000M

    In this comparison between Iris Plus Graphics 645 and Quadro M4000M 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 Iris Plus Graphics 645 will be the best choice, for others Quadro M4000M will be their preference. Study the comparison tables below and make your choice.
    Iris Plus Graphics 645 Check Price
    Quadro M4000M Check Price

    Iris Plus Graphics 645 and Quadro M4000M are Laptop Graphics Cards

    Note: Iris Plus Graphics 645 and Quadro M4000M 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 Iris Plus Graphics 645 or Quadro M4000M here:

    Iris Plus Graphics 645 Laptops
    Quadro M4000M Laptops

    Main Specs

      Iris Plus Graphics 645 Quadro M4000M
    Power consumption (TDP) 15 Watt 100 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 4 GB
    Display Connectors No outputs No outputs
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    • Quadro M4000M has 566% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Quadro M4000M uses PCIe 3.0 x16 interface.
    • Iris Plus Graphics 645 is used in Laptops, and Quadro M4000M - in Mobile workstations.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Quadro M4000M - with Maxwell.
    • Core clock speed of Quadro M4000M is 675 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Quadro M4000M - by 28 nm process technology.

    Game benchmarks

    high / 1080p 4−5 35−40
    ultra / 1080p 2−3 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 12−14 60−65
    medium / 1080p 5−6 40−45
    The average gaming FPS of Quadro M4000M in Assassin's Creed Odyssey is 583% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Quadro M4000M
    Architecture Gen. 9.5 Coffee Lake Maxwell
    Code name Kaby Lake GT3e GM204
    Type Laptop Mobile workstation
    Release date 10 July 2019 2 October 2015
    Pipelines 48 1,280
    Core clock speed 300 MHz 975 MHz
    Boost Clock 1150 MHz 1013 MHz
    Transistor count 5,200 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 50.40 78.00
    Floating-point performance 2,496 gflops
    Memory bus width 256 Bit
    Memory clock speed 5012 MHz
    Memory bandwidth 160 GB/s
    Shared memory + -
    DirectX 12 (12_1) 12
    Shader Model 6.4 5.0
    OpenGL 4.6 4.5
    OpenCL 2.1 1.2
    Vulkan 1.1.103 1.1.126
    CUDA 5.2
    Bitcoin / BTC (SHA256) 251 Mh/s
    Laptop size large
    Optimus +
    Quick Sync +
    Display Port 1.2
    3D Vision Pro +
    Mosaic +
    nView Display Management +
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