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    GeForce GTX 880M vs Radeon HD 6990M Crossfire

    If you are going to buy a new graphics card and are choosing between GeForce GTX 880M and Radeon HD 6990M Crossfire, 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 GeForce GTX 880M stacks up against Radeon HD 6990M Crossfire, check out specs charts below.
    GeForce GTX 880M Check Price
    Radeon HD 6990M Crossfire Check Price

    GeForce GTX 880M and Radeon HD 6990M Crossfire are Laptop Graphics Cards

    Note: GeForce GTX 880M and Radeon HD 6990M Crossfire 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 GeForce GTX 880M or Radeon HD 6990M Crossfire here:

    GeForce GTX 880M Laptops
    Radeon HD 6990M Crossfire Laptops

    Main Specs

      GeForce GTX 880M Radeon HD 6990M Crossfire
    Power consumption (TDP) 122 Watt
    Interface MXM-B (3.0)
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 8 GB 2x2 GB
    Display Connectors No outputs
      Check Price Check Price
    • GeForce GTX 880M has 6 GB more memory, than Radeon HD 6990M Crossfire.
    • Both cards are used in Laptops.
    • GeForce GTX 880M is build with Kepler architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
    • Core clock speed of GeForce GTX 880M is 239 MHz higher, than Radeon HD 6990M Crossfire.
    • GeForce GTX 880M is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.

    Game benchmarks

    high / 1080p 20−22 35−40
    ultra / 1080p 12−14 21−24
    QHD / 1440p 6−7 16−18
    4K / 2160p 5−6 10−11
    low / 720p 40−45 60−65
    medium / 1080p 24−27 40−45
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 68% more, than GeForce GTX 880M.

    Full Specs

      GeForce GTX 880M Radeon HD 6990M Crossfire
    Architecture Kepler Terascale 2
    Code name N15E-GX-A2 Blackcomb XTX
    Type Laptop Laptop
    Release date 12 March 2014 12 July 2011
    Pipelines 1536 2240
    Core clock speed 954 MHz 715 MHz
    Boost Clock 993 MHz
    Transistor count 3,540 million 2x1700 Million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 127.1
    Floating-point performance 3,050 gflops
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 900 MHz
    Memory bandwidth 160.0 GB/s
    Shared memory - -
    DirectX 12 (11_0) DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan 1.1.126
    CUDA +
    CUDA cores 1536
    Bus support PCI Express 2.0, PCI Express 3.0
    SLI options +
    HDMI +
    Bitcoin / BTC (SHA256) 96 Mh/s
    Laptop size large large
    Standard memory configuration GDDR5
    eDP 1.2 signal support Up to 3840x2160
    LVDS signal support Up to 1920x1200
    DisplayPort Multimode (DP++) support Up to 3840x2160
    HDCP content protection +
    7.1 channel HD audio on HDMI +
    TrueHD and DTS-HD audio bitstreaming +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus +
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