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    Radeon HD 6990M Crossfire vs Radeon R7 M270

    Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990M Crossfire and Radeon R7 M270. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 6990M Crossfire and Radeon R7 M270. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    Radeon HD 6990M Crossfire Check Price
    Radeon R7 M270 Check Price

    Radeon HD 6990M Crossfire and Radeon R7 M270 are Laptop Graphics Cards

    Note: Radeon HD 6990M Crossfire and Radeon R7 M270 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 6990M Crossfire or Radeon R7 M270 here:

    Radeon HD 6990M Crossfire Laptops
    Radeon R7 M270 Laptops

    Main Specs

      Radeon HD 6990M Crossfire Radeon R7 M270
    Interface PCIe 3.0 x8
    Memory type GDDR5 Not Listed
    Maximum RAM amount 2x2 GB
    Display Connectors No outputs
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    • Both cards are used in Laptops.
    • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R7 M270 - with GCN.
    • Core clock speed of Radeon R7 M270 is 110 MHz higher, than Radeon HD 6990M Crossfire.
    • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R7 M270 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 35−40 0−1
    ultra / 1080p 21−24 −
    QHD / 1440p 16−18 0−1
    4K / 2160p 10−11 −
    low / 720p 60−65 1−2
    medium / 1080p 40−45 0−1
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 6100% more, than Radeon R7 M270.

    Full Specs

      Radeon HD 6990M Crossfire Radeon R7 M270
    Architecture Terascale 2 GCN
    Code name Blackcomb XTX Opal XT / Mars
    Type Laptop Laptop
    Release date 12 July 2011 7 January 2014
    Pipelines 2240 384
    Core clock speed 715 MHz 825 MHz
    Transistor count 2x1700 Million 950 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 19.80
    Floating-point performance 633.6 gflops
    Memory bus width 256 Bit
    Memory clock speed 900 MHz
    Memory bandwidth 28.8 GB/s
    Shared memory - -
    DirectX DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.4
    OpenCL Not Listed
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large medium sized
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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