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    Iris Plus Graphics 645 vs Radeon R9 M395X

    When choosing between Iris Plus Graphics 645 and Radeon R9 M395X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Iris Plus Graphics 645 and Radeon R9 M395X.
    Iris Plus Graphics 645 Check Price
    Radeon R9 M395X Check Price

    Iris Plus Graphics 645 and Radeon R9 M395X are Laptop Graphics Cards

    Note: Iris Plus Graphics 645 and Radeon R9 M395X 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 Plus Graphics 645 or Radeon R9 M395X here:

    Iris Plus Graphics 645 Laptops
    Radeon R9 M395X Laptops

    Main Specs

      Iris Plus Graphics 645 Radeon R9 M395X
    Power consumption (TDP) 15 Watt 250 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 4 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M395X has 1566% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 M395X uses PCIe 3.0 x16 interface.
    • Both cards are used in Laptops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 M395X - with GCN 3.
    • Core clock speed of Radeon R9 M395X is 423 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 M395X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 4−5 24−27
    ultra / 1080p 2−3 14−16
    QHD / 1440p 0−1 9−10
    4K / 2160p − 6−7
    low / 720p 12−14 45−50
    medium / 1080p 5−6 30−35
    The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 400% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Radeon R9 M395X
    Architecture Gen. 9.5 Coffee Lake GCN 3
    Code name Kaby Lake GT3e Amethyst XT
    Type Laptop Laptop
    Release date 10 July 2019 16 October 2014
    Pipelines 48 2048
    Core clock speed 300 MHz 723 MHz
    Boost Clock 1150 MHz
    Transistor count 5,000 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 50.40 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 256 Bit
    Memory clock speed 1250 MHz
    Memory bandwidth 160.0 GB/s
    Shared memory + -
    DirectX 12 (12_1)
    Shader Model 6.4 6.3
    OpenGL 4.6 4.4
    OpenCL 2.1 Not Listed
    Vulkan 1.1.103
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 413 Mh/s
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    TrueAudio +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Quick Sync +
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