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    Iris Plus Graphics 645 vs Quadro M4000

    When choosing between Iris Plus Graphics 645 and Quadro M4000, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Iris Plus Graphics 645 and Quadro M4000.
    Iris Plus Graphics 645 Check Price
    Quadro M4000 Check Price

    Iris Plus Graphics 645 is a Laptop Graphics Card

    Note: Iris Plus Graphics 645 is only used in laptop graphics. It has 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 here:

    Iris Plus Graphics 645 Laptops

    Main Specs

      Iris Plus Graphics 645 Quadro M4000
    Power consumption (TDP) 15 Watt 120 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x16
    Supplementary power connectors 1 x 6-pin
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 8 GB
    Display Connectors No outputs 4x DisplayPort
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    • Quadro M4000 has 700% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Quadro M4000 uses PCIe 3.0 x16 interface.
    • Iris Plus Graphics 645 is used in Laptops, and Quadro M4000 - in Desktops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Quadro M4000 - with Maxwell 2.0.
    • Core clock speed of Quadro M4000 is 473 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Quadro M4000 - 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 M4000 in Assassin's Creed Odyssey is 583% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Quadro M4000
    Architecture Gen. 9.5 Coffee Lake Maxwell 2.0
    Code name Kaby Lake GT3e GM204
    Type Laptop Workstation
    Release date 10 July 2019 29 June 2015
    Pipelines 48 1664
    Core clock speed 300 MHz 773 MHz
    Boost Clock 1150 MHz
    Transistor count 5,200 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 50.40 80.39
    Floating-point performance 2,573 gflops
    Length 241 mm
    Memory bus width 256 Bit
    Memory clock speed 6008 MHz
    Shared memory +
    DirectX 12 (12_1) 12
    Shader Model 6.4 5
    OpenGL 4.6 4.5
    OpenCL 2.1 1.2
    Vulkan 1.1.103 +
    CUDA 5.2
    SLI options +
    Bitcoin / BTC (SHA256) 299 Mh/s
    Quick Sync +
    3D Vision Pro +
    Mosaic +
    Width 1" (2.5 cm)
    Number of simultaneous displays 4
    nView Desktop Management +
    Multi-display synchronization Quadro Sync
    High-Performance Video I/O6 +
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