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    GeForce GTX 675M vs Iris Plus Graphics 645

    When comparing GeForce GTX 675M and Iris Plus Graphics 645, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 675M and Iris Plus Graphics 645 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GTX 675M Check Price
    Iris Plus Graphics 645 Check Price

    GeForce GTX 675M and Iris Plus Graphics 645 are Laptop Graphics Cards

    Note: GeForce GTX 675M 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 675M or Iris Plus Graphics 645 here:

    GeForce GTX 675M Laptops
    Iris Plus Graphics 645 Laptops

    Main Specs

      GeForce GTX 675M Iris Plus Graphics 645
    Power consumption (TDP) 100 Watt 15 Watt
    Interface MXM-B (3.0) PCIe 3.0 x1
    Memory type GDDR5 DDR3/DDR4
    Maximum RAM amount 2 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 675M has 566% more power consumption, than Iris Plus Graphics 645.
    • GeForce GTX 675M 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 675M is build with Fermi architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
    • Core clock speed of GeForce GTX 675M is 320 MHz higher, than Iris Plus Graphics 645.
    • GeForce GTX 675M is manufactured by 40 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.

    Game benchmarks

    high / 1080p 10−11 4−5
    ultra / 1080p 6−7 2−3
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 12−14
    medium / 1080p 12−14 5−6
    The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 116% more, than Iris Plus Graphics 645.

    Full Specs

      GeForce GTX 675M Iris Plus Graphics 645
    Architecture Fermi Gen. 9.5 Coffee Lake
    Code name N13E-GS1 Kaby Lake GT3e
    Type Laptop Laptop
    Release date 22 March 2012 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 256bit
    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 Express 2.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 59 Mh/s
    Laptop size large
    Optimus +
    Quick Sync +
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