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    Mobility Radeon HD 3870 X2 vs Quadro CX

    In this comparison between Mobility Radeon HD 3870 X2 and Quadro CX 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 Mobility Radeon HD 3870 X2 will be the best choice, for others Quadro CX will be their preference. Study the comparison tables below and make your choice.
    Mobility Radeon HD 3870 X2 Check Price
    Quadro CX

    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

      Mobility Radeon HD 3870 X2 Quadro CX
    Power consumption (TDP) 110 Watt 150 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type GDDR3 GDDR3
    Maximum RAM amount 512 MB 1536 MB
    Display Connectors No outputs 1x DVI, 2x DisplayPort, 1x S-Video
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    • Quadro CX has 36% more power consumption, than Mobility Radeon HD 3870 X2.
    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • Quadro CX has 1024 GB more memory, than Mobility Radeon HD 3870 X2.
    • Mobility Radeon HD 3870 X2 is used in Laptops, and Quadro CX - in Desktops.
    • Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Quadro CX - with Tesla 2.0.
    • Core clock speed of Mobility Radeon HD 3870 X2 is 58 MHz higher, than Quadro CX.
    • Mobility Radeon HD 3870 X2 and Quadro CX are manufactured by 55 nm process technology.
    • Memory clock speed of Quadro CX is 750 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 6−7 1−2
    ultra / 1080p 4−5 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 10−12
    medium / 1080p 8−9 2−3
    The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 100% more, than Quadro CX.

    Full Specs

      Mobility Radeon HD 3870 X2 Quadro CX
    Architecture RV6xx Tesla 2.0
    Code name M88-XT CF GT200B
    Type Laptop Workstation
    Release date 1 September 2008 11 November 2008
    Pipelines 640 192
    Core clock speed 660 MHz 602 MHz
    Transistor count 666 million 1,400 million
    Manufacturing process technology 55 nm 55 nm
    Texture fill rate 10.56 38.53
    Floating-point performance 2x 422.4 gflops 462.3 gflops
    Length 267 mm
    Memory bus width 256 Bit 384 Bit
    Memory clock speed 850 MHz 1600 MHz
    Memory bandwidth 54.4 GB/s 76.8 GB/s
    Shared memory -
    DirectX 10.1 (10_1) 11.1 (10_0)
    Shader Model 4.1 4.0
    OpenGL 3.3 3.3
    OpenCL N/A 1.1
    Vulkan N/A N/A
    CUDA 1.3
    Laptop size large
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