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    GeForce GTX 580M vs Iris Plus Graphics 645

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 580M 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 580M 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 580M Check Price
    Iris Plus Graphics 645 Check Price

    GeForce GTX 580M and Iris Plus Graphics 645 are Laptop Graphics Cards

    Note: GeForce GTX 580M 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 580M or Iris Plus Graphics 645 here:

    GeForce GTX 580M Laptops
    Iris Plus Graphics 645 Laptops

    Main Specs

      GeForce GTX 580M Iris Plus Graphics 645
    Power consumption (TDP) 100 Watt 15 Watt
    Interface MXM-B (3.0) PCIe 3.0 x1
    Supplementary power connectors None
    Memory type GDDR5 DDR3/DDR4
    Maximum RAM amount 2 MB
    Display Connectors No outputs No outputs
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    • GeForce GTX 580M has 566% more power consumption, than Iris Plus Graphics 645.
    • GeForce GTX 580M 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 580M is build with Fermi architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
    • Core clock speed of GeForce GTX 580M is 320 MHz higher, than Iris Plus Graphics 645.
    • GeForce GTX 580M is manufactured by 40 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.

    Game benchmarks

    high / 1080p 10−12 4−5
    ultra / 1080p 6−7 2−3
    QHD / 1440p 1−2 0−1
    low / 720p 24−27 12−14
    medium / 1080p 14−16 5−6
    The average gaming FPS of GeForce GTX 580M in Assassin's Creed Odyssey is 133% more, than Iris Plus Graphics 645.

    Full Specs

      GeForce GTX 580M Iris Plus Graphics 645
    Architecture Fermi Gen. 9.5 Coffee Lake
    Code name N12E-GTX2 Kaby Lake GT3e
    Type Laptop Laptop
    Release date 28 June 2011 10 July 2019
    Pipelines 384 48
    Core clock speed 620 MHz 300 MHz
    Boost Clock 1150 MHz
    Transistor count 1,950 million
    Manufacturing process technology 40 nm 14 nm
    Texture fill rate 39.7 billion/sec 50.40
    Floating-point performance 952.3 gflops
    Memory bus width 256 Bit
    Memory clock speed 1500 MHz
    Memory bandwidth 96.0 GB/s
    Shared memory - +
    DirectX 12 API 12 (12_1)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.6
    OpenCL 1.1 2.1
    Vulkan N/A 1.1.103
    CUDA +
    CUDA cores 384
    Bus support PCI-E 2.0
    SLI options +
    3D Blu-Ray +
    3D Gaming +
    Bitcoin / BTC (SHA256) 40 Mh/s
    Laptop size large
    Optimus +
    Quick Sync +
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