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    GeForce GTX 860M vs Iris Plus Graphics 645

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 860M and Iris Plus Graphics 645. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 860M and Iris Plus Graphics 645. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GTX 860M Check Price
    Iris Plus Graphics 645 Check Price

    GeForce GTX 860M and Iris Plus Graphics 645 are Laptop Graphics Cards

    Note: GeForce GTX 860M and Iris Plus Graphics 645 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 GTX 860M or Iris Plus Graphics 645 here:

    GeForce GTX 860M Laptops
    Iris Plus Graphics 645 Laptops

    Main Specs

      GeForce GTX 860M Iris Plus Graphics 645
    Power consumption (TDP) 75 Watt 15 Watt
    Interface MXM-B (3.0) PCIe 3.0 x1
    Supplementary power connectors None
    Memory type GDDR5 DDR3/DDR4
    Maximum RAM amount 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 860M has 400% more power consumption, than Iris Plus Graphics 645.
    • GeForce GTX 860M is connected by MXM-B (3.0), and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
    • Both cards are used in Laptops.
    • GeForce GTX 860M is build with Maxwell architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
    • Core clock speed of GeForce GTX 860M is 497 MHz higher, than Iris Plus Graphics 645.
    • GeForce GTX 860M is manufactured by 28 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.

    Game benchmarks

    high / 1080p 16−18 4−5
    ultra / 1080p 10−11 2−3
    QHD / 1440p 5−6 0−1
    4K / 2160p 4−5 −
    low / 720p 30−35 12−14
    medium / 1080p 21−24 5−6
    The average gaming FPS of GeForce GTX 860M in Assassin's Creed Odyssey is 233% more, than Iris Plus Graphics 645.

    Full Specs

      GeForce GTX 860M Iris Plus Graphics 645
    Architecture Maxwell Gen. 9.5 Coffee Lake
    Code name N15P-GX Kaby Lake GT3e
    Type Laptop Laptop
    Release date 12 March 2014 10 July 2019
    Pipelines 640 48
    Core clock speed 797 MHz 300 MHz
    Boost Clock 915 MHz 1150 MHz
    Transistor count 1,870 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 43.40 50.40
    Floating-point performance 1,389 gflops
    Memory bus width 128 Bit
    Memory bandwidth 80.0 GB/s
    Shared memory - +
    DirectX 12 (11_0) 12 (12_1)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.6
    OpenCL 1.1 2.1
    Vulkan 1.1.126 1.1.103
    CUDA +
    CUDA cores 1152 or 640
    Bus support PCI Express 2.0, PCI Express 3.0
    SLI options +
    HDMI +
    Bitcoin / BTC (SHA256) 163 Mh/s
    Laptop size medium sized
    Standard memory configuration GDDR5
    eDP 1.2 signal support Up to 3840x2160
    LVDS signal support Up to 1920x1200
    DisplayPort Multimode (DP++) support Up to 3840x2160
    HDCP content protection +
    7.1 channel HD audio on HDMI +
    TrueHD and DTS-HD audio bitstreaming +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus +
    Quick Sync +
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