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    GeForce GTX 660M vs Mobility Radeon HD 5870

    If you are going to buy a new graphics card and are choosing between GeForce GTX 660M and Mobility Radeon HD 5870, 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 660M stacks up against Mobility Radeon HD 5870, check out specs charts below.
    GeForce GTX 660M Check Price
    Mobility Radeon HD 5870 Check Price

    GeForce GTX 660M and Mobility Radeon HD 5870 are Laptop Graphics Cards

    Note: GeForce GTX 660M and Mobility Radeon HD 5870 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 Mobility Radeon HD 5870 here:

    GeForce GTX 660M Laptops
    Mobility Radeon HD 5870 Laptops

    Main Specs

      GeForce GTX 660M Mobility Radeon HD 5870
    Power consumption (TDP) 50 Watt 50 Watt
    Interface MXM-B (3.0) MXM-B (3.0)
    Memory type GDDR5 DDR3, GDDR3, GDDR5
    Maximum RAM amount 2 GB 1 GB
    Display Connectors No outputs No outputs
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    • Both graphics cards have the same power consumption of 50 Watt.
    • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
    • GeForce GTX 660M has 1 GB more memory, than Mobility Radeon HD 5870.
    • Both cards are used in Laptops.
    • GeForce GTX 660M is build with Kepler architecture, and Mobility Radeon HD 5870 - with Terascale 2.
    • Core clock speed of GeForce GTX 660M is 135 MHz higher, than Mobility Radeon HD 5870.
    • GeForce GTX 660M is manufactured by 28 nm process technology, and Mobility Radeon HD 5870 - by 40 nm process technology.
    • Memory clock speed of GeForce GTX 660M is 1000 MHz higher, than Mobility Radeon HD 5870.

    Game benchmarks

    high / 1080p 6−7 10−11
    ultra / 1080p 4−5 6−7
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 21−24
    medium / 1080p 8−9 12−14
    The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 44% more, than GeForce GTX 660M.

    Full Specs

      GeForce GTX 660M Mobility Radeon HD 5870
    Architecture Kepler Terascale 2
    Code name N13E-GE Broadway-XT
    Type Laptop Laptop
    Release date 22 March 2012 7 January 2010
    Pipelines 384 800
    Core clock speed 835 MHz 700 MHz
    Boost Clock 950 MHz
    Transistor count 1,270 million 1,040 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 30.4 billion/sec 28.00
    Floating-point performance 729.6 gflops 1,120.0 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 2000 MHz 1000 MHz
    Memory bandwidth 64.0 GB/s 64 GB/s
    Shared memory - -
    DirectX 12 API 11.2 (11_0)
    Shader Model 5.1 5.0
    OpenGL 4.5 4.4
    OpenCL 1.1 1.2
    Vulkan 1.1.126 N/A
    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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