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    Mobility Radeon HD 3870 X2 vs Radeon HD 7970M Crossfire

    Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon HD 7970M Crossfire. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 3870 X2 and Radeon HD 7970M Crossfire. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    Mobility Radeon HD 3870 X2 Check Price
    Radeon HD 7970M Crossfire Check Price

    Mobility Radeon HD 3870 X2 and Radeon HD 7970M Crossfire are Laptop Graphics Cards

    Note: Mobility Radeon HD 3870 X2 and Radeon HD 7970M Crossfire 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 Mobility Radeon HD 3870 X2 or Radeon HD 7970M Crossfire here:

    Mobility Radeon HD 3870 X2 Laptops
    Radeon HD 7970M Crossfire Laptops

    Main Specs

      Mobility Radeon HD 3870 X2 Radeon HD 7970M Crossfire
    Power consumption (TDP) 110 Watt 200 Watt
    Interface PCIe 2.0 x16
    Memory type GDDR3 GDDR5
    Maximum RAM amount 512 MB
    Display Connectors No outputs
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    • Radeon HD 7970M Crossfire has 81% more power consumption, than Mobility Radeon HD 3870 X2.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 7970M Crossfire - with GCN.
    • Core clock speed of Radeon HD 7970M Crossfire is 190 MHz higher, than Mobility Radeon HD 3870 X2.
    • Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 7970M Crossfire - by 28 nm process technology.
    • Memory clock speed of Radeon HD 7970M Crossfire is 3950 MHz higher, than Mobility Radeon HD 3870 X2.

    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 HD 7970M Crossfire in Assassin's Creed Odyssey is 355% more, than Mobility Radeon HD 3870 X2.

    Full Specs

      Mobility Radeon HD 3870 X2 Radeon HD 7970M Crossfire
    Architecture RV6xx GCN
    Code name M88-XT CF Wimbledon XT
    Type Laptop Laptop
    Release date 1 September 2008 1 May 2012
    Pipelines 640 2560
    Core clock speed 660 MHz 850 MHz
    Transistor count 666 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 10.56
    Floating-point performance 2x 422.4 gflops
    Memory bus width 256 Bit 2x 256 Bit
    Memory clock speed 850 MHz 4800 MHz
    Memory bandwidth 54.4 GB/s
    Shared memory - -
    DirectX 10.1 (10_1) DirectX 11.1, Shader 5.0
    Shader Model 4.1
    OpenGL 3.3
    OpenCL N/A
    Vulkan N/A
    Laptop size large large
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