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    GeForce 840M vs Radeon HD 6970M

    When comparing GeForce 840M and Radeon HD 6970M, 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 HD 6970M 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 HD 6970M Check Price

    GeForce 840M and Radeon HD 6970M are Laptop Graphics Cards

    Note: GeForce 840M and Radeon HD 6970M 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 HD 6970M here:

    GeForce 840M Laptops
    Radeon HD 6970M Laptops

    Main Specs

      GeForce 840M Radeon HD 6970M
    Power consumption (TDP) 33 Watt 75 Watt
    Interface PCIe 3.0 x8 MXM-B (3.0)
    Supplementary power connectors None
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 2 GB
    Display Connectors No outputs No outputs
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    • Radeon HD 6970M has 127% more power consumption, than GeForce 840M.
    • GeForce 840M is connected by PCIe 3.0 x8, and Radeon HD 6970M uses MXM-B (3.0) interface.
    • GeForce 840M has 2 GB more memory, than Radeon HD 6970M.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and Radeon HD 6970M - with Terascale 2.
    • Core clock speed of GeForce 840M is 349 MHz higher, than Radeon HD 6970M.
    • GeForce 840M is manufactured by 28 nm process technology, and Radeon HD 6970M - by 40 nm process technology.
    • Memory clock speed of GeForce 840M is 1100 MHz higher, than Radeon HD 6970M.

    Game benchmarks

    high / 1080p 1−2 10−12
    ultra / 1080p 0−1 6−7
    QHD / 1440p 0−1 1−2
    low / 720p 12−14 24−27
    medium / 1080p 3−4 14−16
    The average gaming FPS of Radeon HD 6970M in Assassin's Creed Odyssey is 183% more, than GeForce 840M.

    Full Specs

      GeForce 840M Radeon HD 6970M
    Architecture Maxwell Terascale 2
    Code name N15S-GT Blackcomb XT
    Type Laptop Laptop
    Release date 12 March 2014 6 January 2011
    Pipelines 384 960
    Core clock speed 1029 MHz 680 MHz
    Boost Clock 1124 MHz
    Transistor count 1,700 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 17.98 32.64
    Floating-point performance 863.2 gflops 1,305.6 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2000 MHz 900 MHz
    Memory bandwidth 16.02 GB/s 115.2 GB/s
    Shared memory - -
    DirectX 12 (11_0) 11.2 (11_0)
    Shader Model 5.1 5.0
    OpenGL 4.5 4.4
    OpenCL 1.2 1.2
    Vulkan 1.1.126 N/A
    CUDA +
    Bus support PCI Express 2.0, PCI Express 3.0
    Bitcoin / BTC (SHA256) 92 Mh/s 118 Mh/s
    Laptop size medium sized large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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