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    Iris Pro Graphics P580 vs Radeon R7 M340

    If you are going to buy a new graphics card and are choosing between Iris Pro Graphics P580 and Radeon R7 M340, 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 Pro Graphics P580 stacks up against Radeon R7 M340, check out specs charts below.
    Iris Pro Graphics P580 Check Price
    Radeon R7 M340 Check Price

    Iris Pro Graphics P580 and Radeon R7 M340 are Laptop Graphics Cards

    Note: Iris Pro Graphics P580 and Radeon R7 M340 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 Pro Graphics P580 or Radeon R7 M340 here:

    Iris Pro Graphics P580 Laptops
    Radeon R7 M340 Laptops

    Main Specs

      Iris Pro Graphics P580 Radeon R7 M340
    Power consumption (TDP) 15 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3L/LPDDR3/DDR4 DDR3
    Maximum RAM amount 64 GB 4 GB
    Display Connectors No outputs No outputs
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    • Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon R7 M340 uses PCIe 3.0 x8 interface.
    • Iris Pro Graphics P580 has 60 GB more memory, than Radeon R7 M340.
    • Both cards are used in Laptops.
    • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon R7 M340 - with GCN.
    • Core clock speed of Radeon R7 M340 is 671 MHz higher, than Iris Pro Graphics P580.
    • Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon R7 M340 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 10−11 0−1
    ultra / 1080p 6−7 −
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 1−2
    medium / 1080p 12−14 0−1
    The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 2100% more, than Radeon R7 M340.

    Full Specs

      Iris Pro Graphics P580 Radeon R7 M340
    Architecture Gen. 9 Skylake GCN
    Code name Skylake GT4e Meso Pro DDR3
    Type Laptop Laptop
    Release date 1 September 2015 16 June 2015
    Pipelines 72 320
    Core clock speed 350 MHz 1021 MHz
    Boost Clock 1100 MHz 1021 MHz
    Transistor count 189 million 950 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 75.60 17.16
    Floating-point performance 549.1 gflops
    Memory bus width 128 Bit
    Memory clock speed 1000 MHz
    Memory bandwidth 16 GB/s
    Shared memory + -
    DirectX 12 (12_1)
    Shader Model 6.4 5.1
    OpenGL 4.6 4.4
    OpenCL 2.1 Not Listed
    Vulkan 1.1.97 +
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 74 Mh/s
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Quick Sync +
    Compute units 6
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