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    GeForce 840M vs Maxwell GPU Surface Book 940M GDDR5

    Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and Maxwell GPU Surface Book 940M GDDR5. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840M and Maxwell GPU Surface Book 940M GDDR5. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce 840M Check Price
    Maxwell GPU Surface Book 940M GDDR5 Check Price

    GeForce 840M and Maxwell GPU Surface Book 940M GDDR5 are Laptop Graphics Cards

    Note: GeForce 840M and Maxwell GPU Surface Book 940M GDDR5 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 Maxwell GPU Surface Book 940M GDDR5 here:

    GeForce 840M Laptops
    Maxwell GPU Surface Book 940M GDDR5 Laptops

    Main Specs

      GeForce 840M Maxwell GPU Surface Book 940M GDDR5
    Power consumption (TDP) 33 Watt
    Interface PCIe 3.0 x8
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 1 GB
    Display Connectors No outputs
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    • GeForce 840M has 3 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
    • Both cards are used in Laptops.
    • GeForce 840M and Maxwell GPU Surface Book 940M GDDR5 are build with Maxwell architecture.
    • Core clock speed of GeForce 840M is 75 MHz higher, than Maxwell GPU Surface Book 940M GDDR5.
    • GeForce 840M and Maxwell GPU Surface Book 940M GDDR5 are manufactured by 28 nm process technology.
    • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3012 MHz higher, than GeForce 840M.

    Game benchmarks

    high / 1080p 1−2 9−10
    ultra / 1080p 0−1 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 21−24
    medium / 1080p 3−4 12−14
    The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 150% more, than GeForce 840M.

    Full Specs

      GeForce 840M Maxwell GPU Surface Book 940M GDDR5
    Architecture Maxwell Maxwell
    Code name N15S-GT Surface Book
    Type Laptop Laptop
    Release date 12 March 2014 1 October 2015
    Pipelines 384 384
    Core clock speed 1029 MHz 954 MHz
    Boost Clock 1124 MHz 993 MHz
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.98
    Floating-point performance 863.2 gflops
    Memory bus width 64 Bit 64 Bit
    Memory clock speed 2000 MHz 5012 MHz
    Memory bandwidth 16.02 GB/s
    Shared memory - -
    DirectX 12 (11_0) DirectX 12 (FL 11_0), Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.2
    Vulkan 1.1.126
    CUDA + +
    Bus support PCI Express 2.0, PCI Express 3.0
    Bitcoin / BTC (SHA256) 92 Mh/s
    Laptop size medium sized
    Optimus + +
    GPU Boost 2.0
    GameWorks +
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