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    GeForce GTX 680MX vs Mobility Radeon HD 3870 X2

    In this comparison between GeForce GTX 680MX and Mobility Radeon HD 3870 X2 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GTX 680MX will be the best choice, for others Mobility Radeon HD 3870 X2 will be their preference. Study the comparison tables below and make your choice.
    GeForce GTX 680MX Check Price
    Mobility Radeon HD 3870 X2 Check Price

    GeForce GTX 680MX and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards

    Note: GeForce GTX 680MX and Mobility Radeon HD 3870 X2 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 680MX or Mobility Radeon HD 3870 X2 here:

    GeForce GTX 680MX Laptops
    Mobility Radeon HD 3870 X2 Laptops

    Main Specs

      GeForce GTX 680MX Mobility Radeon HD 3870 X2
    Power consumption (TDP) 122 Watt 110 Watt
    Interface PCIe 2.0 x16
    Memory type GDDR5 GDDR3
    Maximum RAM amount 2 GB 512 MB
    Display Connectors No outputs
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    • GeForce GTX 680MX has 10% more power consumption, than Mobility Radeon HD 3870 X2.
    • Mobility Radeon HD 3870 X2 has 510 GB more memory, than GeForce GTX 680MX.
    • Both cards are used in Laptops.
    • GeForce GTX 680MX is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
    • Core clock speed of GeForce GTX 680MX is 60 MHz higher, than Mobility Radeon HD 3870 X2.
    • GeForce GTX 680MX is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
    • Memory clock speed of GeForce GTX 680MX is 1650 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 21−24 6−7
    ultra / 1080p 12−14 4−5
    QHD / 1440p 7−8 0−1
    4K / 2160p 5−6 −
    low / 720p 40−45 16−18
    medium / 1080p 27−30 8−9
    The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 188% more, than Mobility Radeon HD 3870 X2.

    Full Specs

      GeForce GTX 680MX Mobility Radeon HD 3870 X2
    Architecture Kepler RV6xx
    Code name M88-XT CF
    Type Laptop Laptop
    Release date 23 October 2012 1 September 2008
    Pipelines 1536 640
    Core clock speed 720 MHz 660 MHz
    Transistor count 3540 Million 666 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 92.2 billion/sec 10.56
    Floating-point performance 2x 422.4 gflops
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 2500 MHz 850 MHz
    Memory bandwidth 160 GB/s 54.4 GB/s
    Shared memory - -
    DirectX 12 API 10.1 (10_1)
    Shader Model 4.1
    OpenGL 4.5 3.3
    OpenCL 1.1 N/A
    Vulkan N/A
    CUDA +
    CUDA cores 1536
    Bus support PCI Express 3.0
    SLI options +
    3D Vision +
    Bitcoin / BTC (SHA256) 57 Mh/s
    Laptop size large large
    Optimus +
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