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    GeForce 840M vs Mobility Radeon HD 4850

    When comparing GeForce 840M and Mobility Radeon HD 4850, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce 840M and Mobility Radeon HD 4850 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce 840M Check Price
    Mobility Radeon HD 4850 Check Price

    GeForce 840M and Mobility Radeon HD 4850 are Laptop Graphics Cards

    Note: GeForce 840M and Mobility Radeon HD 4850 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 4850 here:

    GeForce 840M Laptops
    Mobility Radeon HD 4850 Laptops

    Main Specs

      GeForce 840M Mobility Radeon HD 4850
    Power consumption (TDP) 33 Watt
    Interface PCIe 3.0 x8 PCIe 2.0 x16
    Memory type DDR3 GDDR3
    Maximum RAM amount 4 GB 1 GB
    Display Connectors No outputs No outputs
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    • GeForce 840M is connected by PCIe 3.0 x8, and Mobility Radeon HD 4850 uses PCIe 2.0 x16 interface.
    • GeForce 840M has 3 GB more memory, than Mobility Radeon HD 4850.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and Mobility Radeon HD 4850 - with Terascale 1.
    • Core clock speed of GeForce 840M is 529 MHz higher, than Mobility Radeon HD 4850.
    • GeForce 840M is manufactured by 28 nm process technology, and Mobility Radeon HD 4850 - by 55 nm process technology.
    • Memory clock speed of GeForce 840M is 1150 MHz higher, than Mobility Radeon HD 4850.

    Game benchmarks

    high / 1080p 1−2 3−4
    ultra / 1080p 0−1 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 14−16
    medium / 1080p 3−4 5−6
    The average gaming FPS of Mobility Radeon HD 4850 in Assassin's Creed Odyssey is 33% more, than GeForce 840M.

    Full Specs

      GeForce 840M Mobility Radeon HD 4850
    Architecture Maxwell Terascale 1
    Code name N15S-GT M98
    Type Laptop Laptop
    Release date 12 March 2014 9 January 2009
    Pipelines 384 800
    Core clock speed 1029 MHz 500 MHz
    Boost Clock 1124 MHz
    Transistor count 956 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 17.98 20.00
    Floating-point performance 863.2 gflops 800.0 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2000 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 4.5 3.3
    OpenCL 1.2 1.1
    Vulkan 1.1.126 N/A
    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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