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    GeForce 845M vs GeForce GTX 680M

    When comparing GeForce 845M and GeForce GTX 680M, 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 845M and GeForce GTX 680M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce 845M Check Price
    GeForce GTX 680M Check Price

    GeForce 845M and GeForce GTX 680M are Laptop Graphics Cards

    Note: GeForce 845M and GeForce GTX 680M 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 845M or GeForce GTX 680M here:

    GeForce 845M Laptops
    GeForce GTX 680M Laptops

    Main Specs

      GeForce 845M GeForce GTX 680M
    Power consumption (TDP) 45 Watt 100 Watt
    Interface PCIe 3.0 x8 MXM-B (3.0)
    Supplementary power connectors None
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 680M has 122% more power consumption, than GeForce 845M.
    • GeForce 845M is connected by PCIe 3.0 x8, and GeForce GTX 680M uses MXM-B (3.0) interface.
    • GeForce GTX 680M has 2 GB more memory, than GeForce 845M.
    • Both cards are used in Laptops.
    • GeForce 845M is build with Maxwell architecture, and GeForce GTX 680M - with Kepler.
    • Core clock speed of GeForce 845M is 351 MHz higher, than GeForce GTX 680M.
    • GeForce 845M and GeForce GTX 680M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 845M is 200 MHz higher, than GeForce GTX 680M.

    Game benchmarks

    high / 1080p 3−4 16−18
    ultra / 1080p 1−2 9−10
    QHD / 1440p 0−1 4−5
    4K / 2160p − 4−5
    low / 720p 14−16 30−35
    medium / 1080p 6−7 20−22
    The average gaming FPS of GeForce GTX 680M in Assassin's Creed Odyssey is 233% more, than GeForce 845M.

    Full Specs

      GeForce 845M GeForce GTX 680M
    Architecture Maxwell Kepler
    Code name GM108 N13E-GTX
    Type Laptop Laptop
    Release date 12 March 2014 4 June 2012
    Pipelines 384 1344
    Core clock speed 1071 MHz 720 MHz
    Boost Clock 1150 MHz 758 MHz
    Transistor count 1,870 million 3,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 37.63 80.6 billion/sec
    Floating-point performance 883.7 gflops 2,038 gflops
    Memory bus width 64/128 Bit 256 Bit
    Memory clock speed 2000 - 5000 MHz 1800 MHz
    Memory bandwidth 40.1 GB/s 115.2 GB/s
    Shared memory - -
    DirectX 12 (11_0) 12 API
    Shader Model 5.1 5.1
    OpenGL 4.6 4.5
    OpenCL 1.2 1.1
    Vulkan 1.1.126 1.1.126
    CUDA + +
    CUDA cores 1344
    Bus support PCI Express 3.0
    SLI options +
    Bitcoin / BTC (SHA256) 76 Mh/s 100 Mh/s
    Laptop size medium sized large
    Optimus + +
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