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    GeForce GTX 660 Ti vs Mobility Radeon HD 3870 X2

    If you are going to buy a new graphics card and are choosing between GeForce GTX 660 Ti and Mobility Radeon HD 3870 X2, 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 660 Ti stacks up against Mobility Radeon HD 3870 X2, check out specs charts below.
    GeForce GTX 660 Ti Check Price
    Mobility Radeon HD 3870 X2 Check Price

    Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

    Note: Mobility Radeon HD 3870 X2 is only used in laptop graphics. It has 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 Mobility Radeon HD 3870 X2 here:

    Mobility Radeon HD 3870 X2 Laptops

    Main Specs

      GeForce GTX 660 Ti Mobility Radeon HD 3870 X2
    Power consumption (TDP) 150 Watt 110 Watt
    Interface PCIe 3.0 x16 PCIe 2.0 x16
    Supplementary power connectors Two 6-pin
    Memory type GDDR5 GDDR3
    Maximum RAM amount 2 GB 512 MB
    Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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    • GeForce GTX 660 Ti has 36% more power consumption, than Mobility Radeon HD 3870 X2.
    • GeForce GTX 660 Ti is connected by PCIe 3.0 x16, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
    • Mobility Radeon HD 3870 X2 has 510 GB more memory, than GeForce GTX 660 Ti.
    • GeForce GTX 660 Ti is used in Desktops, and Mobility Radeon HD 3870 X2 - in Laptops.
    • GeForce GTX 660 Ti is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
    • Core clock speed of GeForce GTX 660 Ti is 255 MHz higher, than Mobility Radeon HD 3870 X2.
    • GeForce GTX 660 Ti is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
    • Memory clock speed of Mobility Radeon HD 3870 X2 is 844 MHz higher, than GeForce GTX 660 Ti.

    Game benchmarks

    high / 1080p 21−24 6−7
    ultra / 1080p 12−14 4−5
    QHD / 1440p 8−9 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 660 Ti in Assassin's Creed Odyssey is 188% more, than Mobility Radeon HD 3870 X2.

    Full Specs

      GeForce GTX 660 Ti Mobility Radeon HD 3870 X2
    Architecture Kepler RV6xx
    Code name GK104 M88-XT CF
    Type Desktop Laptop
    Release date 16 August 2012 1 September 2008
    Pipelines 1344 640
    Core clock speed 915 MHz 660 MHz
    Boost Clock 980 MHz
    Transistor count 3,540 million 666 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 102.5 billion/sec 10.56
    Floating-point performance 2,459.5 gflops 2x 422.4 gflops
    Length 9.5" (24.1 cm)
    Memory bus width 192-bit GDDR5 256 Bit
    Memory clock speed 6.0 GB/s 850 MHz
    Memory bandwidth 144.2 GB/s 54.4 GB/s
    Shared memory - -
    DirectX 12 (11_0) 10.1 (10_1)
    Shader Model 5.1 4.1
    OpenGL 4.3 3.3
    OpenCL 1.2 N/A
    Vulkan 1.1.126 N/A
    CUDA +
    CUDA cores 1344
    Bus support PCI Express 3.0
    Height 4.376" (11.1 cm)
    SLI options +
    Multi monitor support 4 displays
    HDMI +
    HDCP +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI Internal
    3D Blu-Ray +
    3D Gaming +
    3D Vision +
    Bitcoin / BTC (SHA256) 99 Mh/s
    Laptop size large
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