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    GeForce 840M vs Radeon R9 M470X

    When comparing GeForce 840M and Radeon R9 M470X, 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 Radeon R9 M470X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce 840M Check Price
    Radeon R9 M470X Check Price

    GeForce 840M and Radeon R9 M470X are Laptop Graphics Cards

    Note: GeForce 840M and Radeon R9 M470X 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 M470X here:

    GeForce 840M Laptops
    Radeon R9 M470X Laptops

    Main Specs

      GeForce 840M Radeon R9 M470X
    Power consumption (TDP) 33 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x16
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce 840M is connected by PCIe 3.0 x8, and Radeon R9 M470X uses PCIe 3.0 x16 interface.
    • GeForce 840M and Radeon R9 M470X have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and Radeon R9 M470X - with GCN 2.
    • Core clock speed of Radeon R9 M470X is 71 MHz higher, than GeForce 840M.
    • GeForce 840M and Radeon R9 M470X are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon R9 M470X is 4000 MHz higher, than GeForce 840M.

    Game benchmarks

    high / 1080p 1−2 16−18
    ultra / 1080p 0−1 10−11
    QHD / 1440p 0−1 4−5
    low / 720p 12−14 35−40
    medium / 1080p 3−4 21−24
    The average gaming FPS of Radeon R9 M470X in Assassin's Creed Odyssey is 316% more, than GeForce 840M.

    Full Specs

      GeForce 840M Radeon R9 M470X
    Architecture Maxwell GCN 2
    Code name N15S-GT Emerald
    Type Laptop Laptop
    Release date 12 March 2014 14 May 2016
    Pipelines 384 896
    Core clock speed 1029 MHz 1100 MHz
    Boost Clock 1124 MHz 1100 MHz
    Transistor count 2,080 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.98 61.60
    Floating-point performance 863.2 gflops 1,971 gflops
    Memory bus width 64 Bit 128 Bit
    Memory clock speed 2000 MHz 6000 MHz
    Memory bandwidth 16.02 GB/s 96 GB/s
    Shared memory - -
    DirectX 12 (11_0) 12 (12_0)
    Shader Model 5.1 6.3
    OpenGL 4.5 4.6
    OpenCL 1.2 2.0
    Vulkan 1.1.126 1.2.131
    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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