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    GeForce 840M vs GeForce 8800M GTX SLI

    If you are going to buy a new graphics card and are choosing between GeForce 840M and GeForce 8800M GTX SLI, 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 GeForce 8800M GTX SLI, check out specs charts below.
    GeForce 840M Check Price
    GeForce 8800M GTX SLI Check Price

    GeForce 840M and GeForce 8800M GTX SLI are Laptop Graphics Cards

    Note: GeForce 840M and GeForce 8800M GTX SLI 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 GeForce 8800M GTX SLI here:

    GeForce 840M Laptops
    GeForce 8800M GTX SLI Laptops

    Main Specs

      GeForce 840M GeForce 8800M GTX SLI
    Power consumption (TDP) 33 Watt 130 Watt
    Interface PCIe 3.0 x8
    Memory type DDR3 GDDR3
    Maximum RAM amount 4 GB 512 MB
    Display Connectors No outputs
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    • GeForce 8800M GTX SLI has 293% more power consumption, than GeForce 840M.
    • GeForce 8800M GTX SLI has 508 GB more memory, than GeForce 840M.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and GeForce 8800M GTX SLI - with G9x.
    • Core clock speed of GeForce 840M is 529 MHz higher, than GeForce 8800M GTX SLI.
    • GeForce 840M is manufactured by 28 nm process technology, and GeForce 8800M GTX SLI - by 65 nm process technology.
    • Memory clock speed of GeForce 840M is 1200 MHz higher, than GeForce 8800M GTX SLI.

    Game benchmarks

    high / 1080p 1−2 6−7
    ultra / 1080p 0−1 4−5
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 16−18
    medium / 1080p 3−4 7−8
    The average gaming FPS of GeForce 8800M GTX SLI in Assassin's Creed Odyssey is 66% more, than GeForce 840M.

    Full Specs

      GeForce 840M GeForce 8800M GTX SLI
    Architecture Maxwell G9x
    Code name N15S-GT NB8E-GTX
    Type Laptop Laptop
    Release date 12 March 2014 19 November 2007
    Pipelines 384 192
    Core clock speed 1029 MHz 500 MHz
    Boost Clock 1124 MHz
    Transistor count 1508 Million
    Manufacturing process technology 28 nm 65 nm
    Texture fill rate 17.98
    Floating-point performance 863.2 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2000 MHz 800 MHz
    Memory bandwidth 16.02 GB/s
    Shared memory - -
    DirectX 12 (11_0) DirectX 10, Shader 4.0
    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 large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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