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    GeForce 840M vs GeForce GTX 485M SLI

    When choosing between GeForce 840M and GeForce GTX 485M SLI, 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 GeForce 840M and GeForce GTX 485M SLI.
    GeForce 840M Check Price
    GeForce GTX 485M SLI Check Price

    GeForce 840M and GeForce GTX 485M SLI are Laptop Graphics Cards

    Note: GeForce 840M and GeForce GTX 485M SLI 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 840M or GeForce GTX 485M SLI here:

    GeForce 840M Laptops
    GeForce GTX 485M SLI Laptops

    Main Specs

      GeForce 840M GeForce GTX 485M SLI
    Power consumption (TDP) 33 Watt 100 Watt
    Interface PCIe 3.0 x8
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 2x2 GB
    Display Connectors No outputs
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    • GeForce GTX 485M SLI has 203% more power consumption, than GeForce 840M.
    • GeForce 840M has 2 GB more memory, than GeForce GTX 485M SLI.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and GeForce GTX 485M SLI - with Fermi.
    • Core clock speed of GeForce 840M is 454 MHz higher, than GeForce GTX 485M SLI.
    • GeForce 840M is manufactured by 28 nm process technology, and GeForce GTX 485M SLI - by 40 nm process technology.
    • Memory clock speed of GeForce 840M is 500 MHz higher, than GeForce GTX 485M SLI.

    Game benchmarks

    high / 1080p 1−2 35−40
    ultra / 1080p 0−1 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 12−14 60−65
    medium / 1080p 3−4 40−45
    The average gaming FPS of GeForce GTX 485M SLI in Assassin's Creed Odyssey is 683% more, than GeForce 840M.

    Full Specs

      GeForce 840M GeForce GTX 485M SLI
    Architecture Maxwell Fermi
    Code name N15S-GT N11E-GTX-A1
    Type Laptop Laptop
    Release date 12 March 2014 6 January 2011
    Pipelines 384 768
    Core clock speed 1029 MHz 575 MHz
    Boost Clock 1124 MHz
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 17.98
    Floating-point performance 863.2 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2000 MHz 1500 MHz
    Memory bandwidth 16.02 GB/s
    Shared memory - -
    DirectX 12 (11_0) DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.2
    Vulkan 1.1.126
    CUDA +
    Bus support PCI Express 2.0, PCI Express 3.0
    Bitcoin / BTC (SHA256) 92 Mh/s
    Laptop size medium sized large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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