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    GeForce GTX 660M vs Radeon R9 M295X

    When choosing between GeForce GTX 660M and Radeon R9 M295X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 660M and Radeon R9 M295X.
    GeForce GTX 660M Check Price
    Radeon R9 M295X Check Price

    GeForce GTX 660M and Radeon R9 M295X are Laptop Graphics Cards

    Note: GeForce GTX 660M and Radeon R9 M295X 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 R9 M295X here:

    GeForce GTX 660M Laptops
    Radeon R9 M295X Laptops

    Main Specs

      GeForce GTX 660M Radeon R9 M295X
    Power consumption (TDP) 50 Watt 250 Watt
    Interface MXM-B (3.0) MXM-B (3.0)
    Supplementary power connectors None
    Memory type GDDR5 Not Listed
    Maximum RAM amount 2 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M295X has 400% more power consumption, than GeForce GTX 660M.
    • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
    • Both cards are used in Laptops.
    • GeForce GTX 660M is build with Kepler architecture, and Radeon R9 M295X - with GCN 3.
    • Core clock speed of GeForce GTX 660M is 112 MHz higher, than Radeon R9 M295X.
    • GeForce GTX 660M and Radeon R9 M295X are manufactured by 28 nm process technology.

    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 R9 M295X in Assassin's Creed Odyssey is 355% more, than GeForce GTX 660M.

    Full Specs

      GeForce GTX 660M Radeon R9 M295X
    Architecture Kepler GCN 3
    Code name N13E-GE Tonga
    Type Laptop Laptop
    Release date 22 March 2012 16 October 2014
    Pipelines 384 2048
    Core clock speed 835 MHz 723 MHz
    Boost Clock 950 MHz
    Transistor count 1,270 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.4 billion/sec 92.54
    Floating-point performance 729.6 gflops 2,961 gflops
    Memory bus width 128bit
    Memory clock speed 2000 MHz
    Memory bandwidth 64.0 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 API Not Listed
    Shader Model 5.1 6.3
    OpenGL 4.5 4.4
    OpenCL 1.1 Not Listed
    Vulkan 1.1.126
    CUDA +
    FreeSync +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 36 Mh/s 392 Mh/s
    Laptop size large large
    Optimus +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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