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    GeForce 840M vs Radeon R9 M395

    If you are going to buy a new graphics card and are choosing between GeForce 840M and Radeon R9 M395, 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 Radeon R9 M395, check out specs charts below.
    GeForce 840M Check Price
    Radeon R9 M395 Check Price

    GeForce 840M and Radeon R9 M395 are Laptop Graphics Cards

    Note: GeForce 840M and Radeon R9 M395 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 M395 here:

    GeForce 840M Laptops
    Radeon R9 M395 Laptops

    Main Specs

      GeForce 840M Radeon R9 M395
    Power consumption (TDP) 33 Watt
    Interface PCIe 3.0 x8
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs
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    • GeForce 840M and Radeon R9 M395 have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and Radeon R9 M395 - with GCN.
    • Core clock speed of GeForce 840M is 195 MHz higher, than Radeon R9 M395.
    • GeForce 840M and Radeon R9 M395 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 840M is 750 MHz higher, than Radeon R9 M395.

    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 M395 in Assassin's Creed Odyssey is 683% more, than GeForce 840M.

    Full Specs

      GeForce 840M Radeon R9 M395
    Architecture Maxwell GCN
    Code name N15S-GT
    Type Laptop Laptop
    Release date 12 March 2014 9 June 2015
    Pipelines 384 1792
    Core clock speed 1029 MHz 834 MHz
    Boost Clock 1124 MHz
    Transistor count 5000 Million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.98
    Floating-point performance 863.2 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2000 MHz 1250 MHz
    Memory bandwidth 16.02 GB/s
    Shared memory - -
    DirectX 12 (11_0)
    Shader Model 5.1
    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 336 Mh/s
    Laptop size medium sized large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    TrueAudio +
    ZeroCore +
    Switchable graphics +
    Mantle +
    GPU Boost 2.0
    GameWorks +
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