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    GeForce 840M vs GeForce 9800M GTS SLI

    If you are going to buy a new graphics card and are choosing between GeForce 840M and GeForce 9800M GTS 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 9800M GTS SLI, check out specs charts below.
    GeForce 840M Check Price
    GeForce 9800M GTS SLI Check Price

    GeForce 840M and GeForce 9800M GTS SLI are Laptop Graphics Cards

    Note: GeForce 840M and GeForce 9800M GTS 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 9800M GTS SLI here:

    GeForce 840M Laptops
    GeForce 9800M GTS SLI Laptops

    Main Specs

      GeForce 840M GeForce 9800M GTS SLI
    Power consumption (TDP) 33 Watt 150 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 9800M GTS SLI has 354% more power consumption, than GeForce 840M.
    • GeForce 9800M GTS SLI has 508 GB more memory, than GeForce 840M.
    • Both cards are used in Laptops.
    • GeForce 840M is build with Maxwell architecture, and GeForce 9800M GTS SLI - with G9x.
    • Core clock speed of GeForce 840M is 429 MHz higher, than GeForce 9800M GTS SLI.
    • GeForce 840M is manufactured by 28 nm process technology, and GeForce 9800M GTS SLI - by 55/65 nm process technology.
    • Memory clock speed of GeForce 840M is 1200 MHz higher, than GeForce 9800M GTS SLI.

    Game benchmarks

    high / 1080p 1−2 5−6
    ultra / 1080p 0−1 3−4
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 14−16
    medium / 1080p 3−4 7−8
    The average gaming FPS of GeForce 9800M GTS SLI in Assassin's Creed Odyssey is 50% more, than GeForce 840M.

    Full Specs

      GeForce 840M GeForce 9800M GTS SLI
    Architecture Maxwell G9x
    Code name N15S-GT NB9E-GT
    Type Laptop Laptop
    Release date 12 March 2014 15 July 2008
    Pipelines 384 128
    Core clock speed 1029 MHz 600 MHz
    Boost Clock 1124 MHz
    Transistor count 1508 Million
    Manufacturing process technology 28 nm 55/65 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
    SLI options +
    Bitcoin / BTC (SHA256) 92 Mh/s
    Laptop size medium sized large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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