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    Radeon HD 8870M vs Radeon R9 M395X

    If you are going to buy a new graphics card and are choosing between Radeon HD 8870M 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 Radeon HD 8870M stacks up against Radeon R9 M395X, check out specs charts below.
    Radeon HD 8870M Check Price
    Radeon R9 M395X Check Price

    Radeon HD 8870M and Radeon R9 M395X are Laptop Graphics Cards

    Note: Radeon HD 8870M 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 Radeon HD 8870M or Radeon R9 M395X here:

    Radeon HD 8870M Laptops
    Radeon R9 M395X Laptops

    Main Specs

      Radeon HD 8870M Radeon R9 M395X
    Power consumption (TDP) 250 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR5, DDR3 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon R9 M395X has 2 GB more memory, than Radeon HD 8870M.
    • Both cards are used in Laptops.
    • Radeon HD 8870M is build with GCN architecture, and Radeon R9 M395X - with GCN 3.
    • Core clock speed of Radeon HD 8870M is 2 MHz higher, than Radeon R9 M395X.
    • Radeon HD 8870M and Radeon R9 M395X are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon HD 8870M is 3250 MHz higher, than Radeon R9 M395X.

    Game benchmarks

    high / 1080p 7−8 24−27
    ultra / 1080p 4−5 14−16
    QHD / 1440p 0−1 9−10
    4K / 2160p − 6−7
    low / 720p 18−20 45−50
    medium / 1080p 9−10 30−35
    The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 200% more, than Radeon HD 8870M.

    Full Specs

      Radeon HD 8870M Radeon R9 M395X
    Architecture GCN GCN 3
    Code name Venus Amethyst XT
    Type Laptop Laptop
    Release date 18 December 2012 16 October 2014
    Pipelines 640 2048
    Core clock speed 725 MHz 723 MHz
    Boost Clock 775 MHz
    Transistor count 1,500 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 31.00 92.54
    Floating-point performance 992.0 gflops 2,961 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 4500 MHz 1250 MHz
    Memory bandwidth 72 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 (11_1)
    Shader Model 5.1 6.3
    OpenGL 4.6 4.4
    OpenCL 1.2 Not Listed
    Vulkan 1.2.131
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 107 Mh/s 413 Mh/s
    Laptop size large large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    TrueAudio +
    ZeroCore +
    Switchable graphics +
    Mantle +
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