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    GeForce GT 755M SLI vs Mobility Radeon HD 3870 X2

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M SLI 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 GT 755M SLI 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 GT 755M SLI Check Price
    Mobility Radeon HD 3870 X2 Check Price

    GeForce GT 755M SLI and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards

    Note: GeForce GT 755M SLI and Mobility Radeon HD 3870 X2 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 GeForce GT 755M SLI or Mobility Radeon HD 3870 X2 here:

    GeForce GT 755M SLI Laptops
    Mobility Radeon HD 3870 X2 Laptops

    Main Specs

      GeForce GT 755M SLI Mobility Radeon HD 3870 X2
    Power consumption (TDP) 2x ~50 Watt 110 Watt
    Interface PCIe 2.0 x16
    Memory type GDDR5 GDDR3
    Maximum RAM amount 2x 2 GB 512 MB
    Display Connectors No outputs
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    • Mobility Radeon HD 3870 X2 has 5400% more power consumption, than GeForce GT 755M SLI.
    • Mobility Radeon HD 3870 X2 has 510 GB more memory, than GeForce GT 755M SLI.
    • Both cards are used in Laptops.
    • GeForce GT 755M SLI is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
    • Core clock speed of GeForce GT 755M SLI is 320 MHz higher, than Mobility Radeon HD 3870 X2.
    • GeForce GT 755M SLI is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
    • Memory clock speed of GeForce GT 755M SLI is 4550 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 14−16 6−7
    ultra / 1080p 8−9 4−5
    QHD / 1440p 2−3 0−1
    low / 720p 30−35 16−18
    medium / 1080p 18−20 8−9
    The average gaming FPS of GeForce GT 755M SLI in Assassin's Creed Odyssey is 100% more, than Mobility Radeon HD 3870 X2.

    Full Specs

      GeForce GT 755M SLI Mobility Radeon HD 3870 X2
    Architecture Kepler RV6xx
    Code name N14P-? M88-XT CF
    Type Laptop Laptop
    Release date 1 November 2013 1 September 2008
    Pipelines 768 640
    Core clock speed 980 MHz 660 MHz
    Transistor count 2x 1300 Million 666 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 10.56
    Floating-point performance 2x 422.4 gflops
    Memory bus width 2x 128 Bit 256 Bit
    Memory clock speed 5400 MHz 850 MHz
    Memory bandwidth 54.4 GB/s
    Shared memory - -
    DirectX DirectX 11, Shader 5.0 10.1 (10_1)
    Shader Model 4.1
    OpenGL 3.3
    OpenCL N/A
    Vulkan N/A
    CUDA +
    Laptop size large large
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