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    Iris Graphics 5100 vs Mobility Radeon HD 5870

    If you are going to buy a new graphics card and are choosing between Iris Graphics 5100 and Mobility Radeon HD 5870, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Graphics 5100 stacks up against Mobility Radeon HD 5870, check out specs charts below.
    Iris Graphics 5100 Check Price
    Mobility Radeon HD 5870 Check Price

    Iris Graphics 5100 and Mobility Radeon HD 5870 are Laptop Graphics Cards

    Note: Iris Graphics 5100 and Mobility Radeon HD 5870 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 Iris Graphics 5100 or Mobility Radeon HD 5870 here:

    Iris Graphics 5100 Laptops
    Mobility Radeon HD 5870 Laptops

    Main Specs

      Iris Graphics 5100 Mobility Radeon HD 5870
    Power consumption (TDP) 30 Watt 50 Watt
    Interface PCIe 1.0 x16 MXM-B (3.0)
    Memory type System Shared DDR3, GDDR3, GDDR5
    Maximum RAM amount 1 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 5870 has 66% more power consumption, than Iris Graphics 5100.
    • Iris Graphics 5100 is connected by PCIe 1.0 x16, and Mobility Radeon HD 5870 uses MXM-B (3.0) interface.
    • Both cards are used in Laptops.
    • Iris Graphics 5100 is build with Gen. 7.5 Haswell architecture, and Mobility Radeon HD 5870 - with Terascale 2.
    • Core clock speed of Mobility Radeon HD 5870 is 500 MHz higher, than Iris Graphics 5100.
    • Iris Graphics 5100 is manufactured by 22 nm process technology, and Mobility Radeon HD 5870 - by 40 nm process technology.

    Game benchmarks

    high / 1080p 3−4 10−11
    ultra / 1080p 1−2 6−7
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 21−24
    medium / 1080p 5−6 12−14
    The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 116% more, than Iris Graphics 5100.

    Full Specs

      Iris Graphics 5100 Mobility Radeon HD 5870
    Architecture Gen. 7.5 Haswell Terascale 2
    Code name Haswell GT3 Broadway-XT
    Type Laptop Laptop
    Release date 5 June 2013 7 January 2010
    Pipelines 40 800
    Core clock speed 200 MHz 700 MHz
    Boost Clock 1200 MHz
    Transistor count 1,300 million 1,040 million
    Manufacturing process technology 22 nm 40 nm
    Texture fill rate 48.00 28.00
    Floating-point performance 1,120.0 gflops
    Memory bus width 64/128 Bit 128 Bit
    Memory clock speed 1000 MHz
    Memory bandwidth 64 GB/s
    Shared memory + -
    DirectX 12 (11_1) 11.2 (11_0)
    Shader Model 5.1 5.0
    OpenGL 4.3 4.4
    OpenCL 1.2 1.2
    Vulkan 1.1.80 N/A
    Laptop size large
    Quick Sync +
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