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    GeForce GTX 660M vs Radeon HD 7970M Crossfire

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Radeon HD 7970M Crossfire. 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 GeForce GTX 660M and Radeon HD 7970M Crossfire. 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.
    GeForce GTX 660M Check Price
    Radeon HD 7970M Crossfire Check Price

    GeForce GTX 660M and Radeon HD 7970M Crossfire are Laptop Graphics Cards

    Note: GeForce GTX 660M and Radeon HD 7970M 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 660M or Radeon HD 7970M Crossfire here:

    GeForce GTX 660M Laptops
    Radeon HD 7970M Crossfire Laptops

    Main Specs

      GeForce GTX 660M Radeon HD 7970M Crossfire
    Power consumption (TDP) 50 Watt 200 Watt
    Interface MXM-B (3.0)
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2 GB
    Display Connectors No outputs
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    • Radeon HD 7970M Crossfire has 300% more power consumption, than GeForce GTX 660M.
    • Both cards are used in Laptops.
    • GeForce GTX 660M is build with Kepler architecture, and Radeon HD 7970M Crossfire - with GCN.
    • Core clock speed of Radeon HD 7970M Crossfire is 15 MHz higher, than GeForce GTX 660M.
    • GeForce GTX 660M and Radeon HD 7970M Crossfire are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon HD 7970M Crossfire is 2800 MHz higher, than GeForce GTX 660M.

    Game benchmarks

    high / 1080p 6−7 35−40
    ultra / 1080p 4−5 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 16−18 60−65
    medium / 1080p 8−9 40−45
    The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 355% more, than GeForce GTX 660M.

    Full Specs

      GeForce GTX 660M Radeon HD 7970M Crossfire
    Architecture Kepler GCN
    Code name N13E-GE Wimbledon XT
    Type Laptop Laptop
    Release date 22 March 2012 1 May 2012
    Pipelines 384 2560
    Core clock speed 835 MHz 850 MHz
    Boost Clock 950 MHz
    Transistor count 1,270 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.4 billion/sec
    Floating-point performance 729.6 gflops
    Memory bus width 128bit 2x 256 Bit
    Memory clock speed 2000 MHz 4800 MHz
    Memory bandwidth 64.0 GB/s
    Shared memory - -
    DirectX 12 API DirectX 11.1, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan 1.1.126
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 36 Mh/s
    Laptop size large large
    Optimus +
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