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    GeForce GTX 660M vs Radeon Pro 5300M

    If you are going to buy a new graphics card and are choosing between GeForce GTX 660M and Radeon Pro 5300M, 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 Radeon Pro 5300M, check out specs charts below.
    GeForce GTX 660M Check Price
    Radeon Pro 5300M Check Price

    GeForce GTX 660M and Radeon Pro 5300M are Laptop Graphics Cards

    Note: GeForce GTX 660M and Radeon Pro 5300M 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 Pro 5300M here:

    GeForce GTX 660M Laptops
    Radeon Pro 5300M Laptops

    Main Specs

      GeForce GTX 660M Radeon Pro 5300M
    Power consumption (TDP) 50 Watt 85 Watt
    Interface MXM-B (3.0) PCIe 4.0 x8
    Supplementary power connectors None
    Memory type GDDR5 GDDR6
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon Pro 5300M has 70% more power consumption, than GeForce GTX 660M.
    • GeForce GTX 660M is connected by MXM-B (3.0), and Radeon Pro 5300M uses PCIe 4.0 x8 interface.
    • Radeon Pro 5300M has 2 GB more memory, than GeForce GTX 660M.
    • GeForce GTX 660M is used in Laptops, and Radeon Pro 5300M - in Mobile workstations.
    • GeForce GTX 660M is build with Kepler architecture, and Radeon Pro 5300M - with Navi / RDNA.
    • GeForce GTX 660M is manufactured by 28 nm process technology, and Radeon Pro 5300M - by 7 nm process technology.
    • Memory clock speed of Radeon Pro 5300M is 10000 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 Pro 5300M in Assassin's Creed Odyssey is 355% more, than GeForce GTX 660M.

    Full Specs

      GeForce GTX 660M Radeon Pro 5300M
    Architecture Kepler Navi / RDNA
    Code name N13E-GE Navi 14
    Type Laptop Mobile workstation
    Release date 22 March 2012 13 November 2019
    Pipelines 384 1280
    Core clock speed 835 MHz
    Boost Clock 950 MHz 1250 MHz
    Transistor count 1,270 million 6,400 million
    Manufacturing process technology 28 nm 7 nm
    Texture fill rate 30.4 billion/sec 100.0
    Floating-point performance 729.6 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 2000 MHz 12000 MHz
    Memory bandwidth 64.0 GB/s 192.0 GB/s
    Shared memory - -
    DirectX 12 API 12 (12_1)
    Shader Model 5.1 6.5
    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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