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    Iris Plus Graphics 640 vs Radeon R9 M395X

    If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 640 and Radeon R9 M395X, 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 Plus Graphics 640 stacks up against Radeon R9 M395X, check out specs charts below.
    Iris Plus Graphics 640 Check Price
    Radeon R9 M395X Check Price

    Iris Plus Graphics 640 and Radeon R9 M395X are Laptop Graphics Cards

    Note: Iris Plus Graphics 640 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 640 or Radeon R9 M395X here:

    Iris Plus Graphics 640 Laptops
    Radeon R9 M395X Laptops

    Main Specs

      Iris Plus Graphics 640 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 DDR3L/LPDDR3/DDR4 GDDR5
    Maximum RAM amount 32 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M395X has 1566% more power consumption, than Iris Plus Graphics 640.
    • Iris Plus Graphics 640 is connected by PCIe 3.0 x1, and Radeon R9 M395X uses PCIe 3.0 x16 interface.
    • Iris Plus Graphics 640 has 28 GB more memory, than Radeon R9 M395X.
    • Both cards are used in Laptops.
    • Iris Plus Graphics 640 is build with Gen. 9.5 Kaby Lake architecture, and Radeon R9 M395X - with GCN 3.
    • Core clock speed of Radeon R9 M395X is 423 MHz higher, than Iris Plus Graphics 640.
    • Iris Plus Graphics 640 is manufactured by 14 nm process technology, and Radeon R9 M395X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 6−7 24−27
    ultra / 1080p 4−5 14−16
    QHD / 1440p 0−1 9−10
    4K / 2160p − 6−7
    low / 720p 16−18 45−50
    medium / 1080p 8−9 30−35
    The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 233% more, than Iris Plus Graphics 640.

    Full Specs

      Iris Plus Graphics 640 Radeon R9 M395X
    Architecture Gen. 9.5 Kaby Lake GCN 3
    Code name Kaby Lake GT3e Amethyst XT
    Type Laptop Laptop
    Release date 3 January 2017 16 October 2014
    Pipelines 48 2048
    Core clock speed 300 MHz 723 MHz
    Boost Clock 1050 MHz
    Transistor count 189 million 5,000 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 52.80 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 64/128 Bit 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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