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    GeForce GTX 660M vs Radeon R8 M445DX

    When comparing GeForce GTX 660M and Radeon R8 M445DX, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 660M and Radeon R8 M445DX is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GTX 660M Check Price
    Radeon R8 M445DX Check Price

    GeForce GTX 660M and Radeon R8 M445DX are Laptop Graphics Cards

    Note: GeForce GTX 660M and Radeon R8 M445DX 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 R8 M445DX here:

    GeForce GTX 660M Laptops
    Radeon R8 M445DX Laptops

    Main Specs

      GeForce GTX 660M Radeon R8 M445DX
    Power consumption (TDP) 50 Watt
    Interface MXM-B (3.0) IGP
    Memory type GDDR5 DDR4/DDR3
    Maximum RAM amount 2 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 660M is connected by MXM-B (3.0), and Radeon R8 M445DX uses IGP interface.
    • Both cards are used in Laptops.
    • GeForce GTX 660M is build with Kepler architecture, and Radeon R8 M445DX - with GCN.
    • Core clock speed of GeForce GTX 660M is 115 MHz higher, than Radeon R8 M445DX.
    • GeForce GTX 660M and Radeon R8 M445DX are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GTX 660M is 1067 MHz higher, than Radeon R8 M445DX.

    Game benchmarks

    high / 1080p 6−7 0−1
    ultra / 1080p 4−5 −
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 1−2
    medium / 1080p 8−9 0−1
    The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 1600% more, than Radeon R8 M445DX.

    Full Specs

      GeForce GTX 660M Radeon R8 M445DX
    Architecture Kepler GCN
    Code name N13E-GE Meso
    Type Laptop Laptop
    Release date 22 March 2012 1 June 2016
    Pipelines 384 704
    Core clock speed 835 MHz 720 / 1020 MHz
    Boost Clock 950 MHz 1021 MHz
    Transistor count 1,270 million 1,550 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.4 billion/sec 20.42
    Floating-point performance 729.6 gflops
    Memory bus width 128bit 128 + 64 Bit
    Memory clock speed 2000 MHz 933 / 1000 MHz
    Memory bandwidth 64.0 GB/s
    Shared memory - -
    DirectX 12 API 12 (12_0)
    Shader Model 5.1 6.0
    OpenGL 4.5 4.6
    OpenCL 1.1 2.0
    Vulkan 1.1.126 1.2.131
    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 medium sized
    Optimus +
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