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    GeForce GTX 660 vs Iris Graphics 5100

    When comparing GeForce GTX 660 and Iris Graphics 5100, 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 660 and Iris Graphics 5100 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GTX 660 Check Price
    Iris Graphics 5100 Check Price

    Iris Graphics 5100 is a Laptop Graphics Card

    Note: Iris Graphics 5100 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 Graphics 5100 here:

    Iris Graphics 5100 Laptops

    Main Specs

      GeForce GTX 660 Iris Graphics 5100
    Power consumption (TDP) 140 Watt 30 Watt
    Interface PCIe 3.0 x16 PCIe 1.0 x16
    Supplementary power connectors One 6-pin
    Memory type GDDR5 System Shared
    Maximum RAM amount 2 GB
    Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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    • GeForce GTX 660 has 366% more power consumption, than Iris Graphics 5100.
    • GeForce GTX 660 is connected by PCIe 3.0 x16, and Iris Graphics 5100 uses PCIe 1.0 x16 interface.
    • GeForce GTX 660 is used in Desktops, and Iris Graphics 5100 - in Laptops.
    • GeForce GTX 660 is build with Kepler architecture, and Iris Graphics 5100 - with Gen. 7.5 Haswell.
    • Core clock speed of GeForce GTX 660 is 780 MHz higher, than Iris Graphics 5100.
    • GeForce GTX 660 is manufactured by 28 nm process technology, and Iris Graphics 5100 - by 22 nm process technology.

    Game benchmarks

    high / 1080p 20−22 3−4
    ultra / 1080p 12−14 1−2
    QHD / 1440p 6−7 0−1
    4K / 2160p 5−6 −
    low / 720p 40−45 14−16
    medium / 1080p 24−27 5−6
    The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 316% more, than Iris Graphics 5100.

    Full Specs

      GeForce GTX 660 Iris Graphics 5100
    Architecture Kepler Gen. 7.5 Haswell
    Code name GK106 Haswell GT3
    Type Desktop Laptop
    Release date 6 September 2012 5 June 2013
    Pipelines 960 40
    Core clock speed 980 MHz 200 MHz
    Boost Clock 1033 MHz 1200 MHz
    Transistor count 2,540 million 1,300 million
    Manufacturing process technology 28 nm 22 nm
    Texture fill rate 78.4 billion/sec 48.00
    Floating-point performance 1,981 gflops
    Length 9.5" (24.1 cm)
    Memory bus width 192-bit GDDR5 64/128 Bit
    Memory clock speed 6.0 GB/s
    Memory bandwidth 144.2 GB/s
    Shared memory +
    DirectX 12 (11_0) 12 (11_1)
    Shader Model 5.1 5.1
    OpenGL 4.3 4.3
    OpenCL 1.2 1.2
    Vulkan 1.1.126 1.1.80
    CUDA +
    CUDA cores 960
    Bus support PCI Express 3.0
    Height 4.376" (11.1 cm)
    SLI options +
    Multi monitor support 4 displays
    HDMI +
    HDCP +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI Internal
    3D Blu-Ray +
    3D Gaming +
    3D Vision +
    Bitcoin / BTC (SHA256) 66 Mh/s
    Quick Sync +
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