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    GeForce 840M vs Mobility Radeon HD 5870 Crossfire

    If you are going to buy a new graphics card and are choosing between GeForce 840M and Mobility Radeon HD 5870 Crossfire, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 840M stacks up against Mobility Radeon HD 5870 Crossfire, check out specs charts below.
    GeForce 840M Check Price
    Mobility Radeon HD 5870 Crossfire Check Price

    GeForce 840M and Mobility Radeon HD 5870 Crossfire are Laptop Graphics Cards

    Note: GeForce 840M and Mobility Radeon HD 5870 Crossfire 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 Mobility Radeon HD 5870 Crossfire here:

    GeForce 840M Laptops
    Mobility Radeon HD 5870 Crossfire Laptops

    Main Specs

      GeForce 840M Mobility Radeon HD 5870 Crossfire
    Power consumption (TDP) 33 Watt 120 Watt
    Interface PCIe 3.0 x8
    Memory type DDR3 DDR3, GDDR3, GDDR5
    Maximum RAM amount 4 GB 2x1 GB
    Display Connectors No outputs
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    • Mobility Radeon HD 5870 Crossfire has 263% more power consumption, than GeForce 840M.
    • GeForce 840M has 2 GB more memory, than Mobility Radeon HD 5870 Crossfire.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and Mobility Radeon HD 5870 Crossfire - with Terascale 2.
    • Core clock speed of GeForce 840M is 329 MHz higher, than Mobility Radeon HD 5870 Crossfire.
    • GeForce 840M is manufactured by 28 nm process technology, and Mobility Radeon HD 5870 Crossfire - by 40 nm process technology.
    • Memory clock speed of GeForce 840M is 1000 MHz higher, than Mobility Radeon HD 5870 Crossfire.

    Game benchmarks

    high / 1080p 1−2 16−18
    ultra / 1080p 0−1 9−10
    QHD / 1440p 0−1 4−5
    low / 720p 12−14 30−35
    medium / 1080p 3−4 18−20
    The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 266% more, than GeForce 840M.

    Full Specs

      GeForce 840M Mobility Radeon HD 5870 Crossfire
    Architecture Maxwell Terascale 2
    Code name N15S-GT Broadway-XT
    Type Laptop Laptop
    Release date 12 March 2014 7 January 2010
    Pipelines 384 1600
    Core clock speed 1029 MHz 700 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 128 Bit
    Memory clock speed 2000 MHz 1000 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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