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    GeForce 940A vs Mobility Radeon HD 3870 X2

    Find out if it is worth upgrading your current GPU setup by comparing GeForce 940A and Mobility Radeon HD 3870 X2. 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 GeForce 940A and Mobility Radeon HD 3870 X2. 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.
    GeForce 940A
    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 940A Mobility Radeon HD 3870 X2
    Power consumption (TDP) 33 Watt 110 Watt
    Interface PCIe 3.0 x8 PCIe 2.0 x16
    Memory type DDR3 GDDR3
    Maximum RAM amount 1 GB 512 MB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 3870 X2 has 233% more power consumption, than GeForce 940A.
    • GeForce 940A is connected by PCIe 3.0 x8, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
    • Mobility Radeon HD 3870 X2 has 511 GB more memory, than GeForce 940A.
    • GeForce 940A is used in Desktops, and Mobility Radeon HD 3870 X2 - in Laptops.
    • GeForce 940A is build with Maxwell architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
    • Core clock speed of GeForce 940A is 369 MHz higher, than Mobility Radeon HD 3870 X2.
    • GeForce 940A is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
    • Memory clock speed of GeForce 940A is 1152 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 4−5 6−7
    ultra / 1080p 2−3 4−5
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 16−18
    medium / 1080p 5−6 8−9
    The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 50% more, than GeForce 940A.

    Full Specs

      GeForce 940A Mobility Radeon HD 3870 X2
    Architecture Maxwell RV6xx
    Code name GM108 M88-XT CF
    Type Desktop Laptop
    Release date 13 March 2015 1 September 2008
    Pipelines 384 640
    Core clock speed 1029 MHz 660 MHz
    Boost Clock 1124 MHz
    Transistor count 666 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 17.98 10.56
    Floating-point performance 863.2 gflops 2x 422.4 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2002 MHz 850 MHz
    Memory bandwidth 16.02 GB/s 54.4 GB/s
    Shared memory -
    DirectX 12 (11_0) 10.1 (10_1)
    Shader Model 5.1 4.1
    OpenGL 4.6 3.3
    OpenCL 1.2 N/A
    Vulkan 1.1.126 N/A
    CUDA 5.0
    Laptop size large
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