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    Iris Plus Graphics 645 vs Radeon R9 M295X

    If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 645 and Radeon R9 M295X, 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 645 stacks up against Radeon R9 M295X, check out specs charts below.
    Iris Plus Graphics 645 Check Price
    Radeon R9 M295X Check Price

    Iris Plus Graphics 645 and Radeon R9 M295X are Laptop Graphics Cards

    Note: Iris Plus Graphics 645 and Radeon R9 M295X 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 M295X here:

    Iris Plus Graphics 645 Laptops
    Radeon R9 M295X Laptops

    Main Specs

      Iris Plus Graphics 645 Radeon R9 M295X
    Power consumption (TDP) 15 Watt 250 Watt
    Interface PCIe 3.0 x1 MXM-B (3.0)
    Supplementary power connectors None
    Memory type DDR3/DDR4 Not Listed
    Display Connectors No outputs No outputs
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    • Radeon R9 M295X has 1566% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 M295X uses MXM-B (3.0) interface.
    • Both cards are used in Laptops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 M295X - with GCN 3.
    • Core clock speed of Radeon R9 M295X is 423 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 M295X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 4−5 35−40
    ultra / 1080p 2−3 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 12−14 60−65
    medium / 1080p 5−6 40−45
    The average gaming FPS of Radeon R9 M295X in Assassin's Creed Odyssey is 583% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Radeon R9 M295X
    Architecture Gen. 9.5 Coffee Lake GCN 3
    Code name Kaby Lake GT3e Tonga
    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 bandwidth 160.0 GB/s
    Shared memory + -
    DirectX 12 (12_1) Not Listed
    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) 392 Mh/s
    Laptop size large
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Quick Sync +
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