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    Mobility Radeon HD 3870 X2 vs Radeon R7 M365X

    When choosing between Mobility Radeon HD 3870 X2 and Radeon R7 M365X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Mobility Radeon HD 3870 X2 and Radeon R7 M365X.
    Mobility Radeon HD 3870 X2 Check Price
    Radeon R7 M365X

    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 Radeon R7 M365X
    Power consumption (TDP) 110 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Memory type GDDR3 GDDR5
    Maximum RAM amount 512 MB 4 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon R7 M365X uses PCIe 3.0 x8 interface.
    • Mobility Radeon HD 3870 X2 has 508 GB more memory, than Radeon R7 M365X.
    • Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon R7 M365X - in Desktops.
    • Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon R7 M365X - with GCN 1.0.
    • Core clock speed of Radeon R7 M365X is 240 MHz higher, than Mobility Radeon HD 3870 X2.
    • Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon R7 M365X - by 28 nm process technology.
    • Memory clock speed of Radeon R7 M365X is 150 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 6−7 0−1
    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 Radeon R7 M365X.

    Full Specs

      Mobility Radeon HD 3870 X2 Radeon R7 M365X
    Architecture RV6xx GCN 1.0
    Code name M88-XT CF Litho
    Type Laptop Desktop
    Release date 1 September 2008 5 May 2015
    Pipelines 640 384
    Core clock speed 660 MHz 900 MHz
    Boost Clock 825 MHz
    Transistor count 666 million 690 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 10.56 23.04
    Floating-point performance 2x 422.4 gflops 737.3 gflops
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 850 MHz 1000 MHz
    Memory bandwidth 54.4 GB/s 64 GB/s
    Shared memory -
    DirectX 10.1 (10_1)
    Shader Model 4.1 5.1
    OpenGL 3.3 4.4
    OpenCL N/A Not Listed
    Vulkan N/A
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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