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    GeForce GTX 675M vs Mobility Radeon HD 3870 X2

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 675M 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 GTX 675M 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 GTX 675M Check Price
    Mobility Radeon HD 3870 X2 Check Price

    GeForce GTX 675M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards

    Note: GeForce GTX 675M 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 GTX 675M or Mobility Radeon HD 3870 X2 here:

    GeForce GTX 675M Laptops
    Mobility Radeon HD 3870 X2 Laptops

    Main Specs

      GeForce GTX 675M Mobility Radeon HD 3870 X2
    Power consumption (TDP) 100 Watt 110 Watt
    Interface MXM-B (3.0) PCIe 2.0 x16
    Memory type GDDR5 GDDR3
    Maximum RAM amount 2 GB 512 MB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 3870 X2 has 10% more power consumption, than GeForce GTX 675M.
    • GeForce GTX 675M is connected by MXM-B (3.0), and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
    • Mobility Radeon HD 3870 X2 has 510 GB more memory, than GeForce GTX 675M.
    • Both cards are used in Laptops.
    • GeForce GTX 675M is build with Fermi architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
    • Core clock speed of Mobility Radeon HD 3870 X2 is 40 MHz higher, than GeForce GTX 675M.
    • GeForce GTX 675M is manufactured by 40 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
    • Memory clock speed of GeForce GTX 675M is 650 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 10−11 6−7
    ultra / 1080p 6−7 4−5
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 16−18
    medium / 1080p 12−14 8−9
    The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 44% more, than Mobility Radeon HD 3870 X2.

    Full Specs

      GeForce GTX 675M Mobility Radeon HD 3870 X2
    Architecture Fermi RV6xx
    Code name N13E-GS1 M88-XT CF
    Type Laptop Laptop
    Release date 22 March 2012 1 September 2008
    Pipelines 384 640
    Core clock speed 620 MHz 660 MHz
    Transistor count 1,950 million 666 million
    Manufacturing process technology 40 nm 55 nm
    Texture fill rate 39.7 billion/sec 10.56
    Floating-point performance 952.3 gflops 2x 422.4 gflops
    Memory bus width 256bit 256 Bit
    Memory clock speed 1500 MHz 850 MHz
    Memory bandwidth 96.0 GB/s 54.4 GB/s
    Shared memory - -
    DirectX 12 API 10.1 (10_1)
    Shader Model 5.1 4.1
    OpenGL 4.5 3.3
    OpenCL 1.1 N/A
    Vulkan N/A N/A
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 59 Mh/s
    Laptop size large large
    Optimus +
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