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    GeForce 840M vs Radeon R9 M295X

    When choosing between GeForce 840M and Radeon R9 M295X, 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 Radeon R9 M295X.
    GeForce 840M Check Price
    Radeon R9 M295X Check Price

    GeForce 840M and Radeon R9 M295X are Laptop Graphics Cards

    Note: GeForce 840M and Radeon R9 M295X 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 Radeon R9 M295X here:

    GeForce 840M Laptops
    Radeon R9 M295X Laptops

    Main Specs

      GeForce 840M Radeon R9 M295X
    Power consumption (TDP) 33 Watt 250 Watt
    Interface PCIe 3.0 x8 MXM-B (3.0)
    Supplementary power connectors None
    Memory type DDR3 Not Listed
    Maximum RAM amount 4 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M295X has 657% more power consumption, than GeForce 840M.
    • GeForce 840M is connected by PCIe 3.0 x8, and Radeon R9 M295X uses MXM-B (3.0) interface.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and Radeon R9 M295X - with GCN 3.
    • Core clock speed of GeForce 840M is 306 MHz higher, than Radeon R9 M295X.
    • GeForce 840M and Radeon R9 M295X are manufactured by 28 nm process technology.

    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 Radeon R9 M295X in Assassin's Creed Odyssey is 683% more, than GeForce 840M.

    Full Specs

      GeForce 840M Radeon R9 M295X
    Architecture Maxwell GCN 3
    Code name N15S-GT Tonga
    Type Laptop Laptop
    Release date 12 March 2014 16 October 2014
    Pipelines 384 2048
    Core clock speed 1029 MHz 723 MHz
    Boost Clock 1124 MHz
    Transistor count 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.98 92.54
    Floating-point performance 863.2 gflops 2,961 gflops
    Memory bus width 64 Bit
    Memory clock speed 2000 MHz
    Memory bandwidth 16.02 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 (11_0) Not Listed
    Shader Model 5.1 6.3
    OpenGL 4.5 4.4
    OpenCL 1.2 Not Listed
    Vulkan 1.1.126
    CUDA +
    FreeSync +
    Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
    Bitcoin / BTC (SHA256) 92 Mh/s 392 Mh/s
    Laptop size medium sized large
    Optimus +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    GPU Boost 2.0
    GameWorks +
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