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    GeForce GT 645M vs Quadro K1200

    If you are going to buy a new graphics card and are choosing between GeForce GT 645M and Quadro K1200, 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 GT 645M stacks up against Quadro K1200, check out specs charts below.
    GeForce GT 645M Check Price
    Quadro K1200 Check Price

    GeForce GT 645M is a Laptop Graphics Card

    Note: GeForce GT 645M is only used in laptop graphics. It has 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 GT 645M here:

    GeForce GT 645M Laptops

    Main Specs

      GeForce GT 645M Quadro K1200
    Power consumption (TDP) 32 Watt 45 Watt
    Interface PCIe 3.0 x16 PCIe 2.0 x16
    Supplementary power connectors None
    Memory type DDR3\GDDR5 128 Bit
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs 4x mini-DisplayPort
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    • Quadro K1200 has 40% more power consumption, than GeForce GT 645M.
    • GeForce GT 645M is connected by PCIe 3.0 x16, and Quadro K1200 uses PCIe 2.0 x16 interface.
    • Quadro K1200 has 2 GB more memory, than GeForce GT 645M.
    • GeForce GT 645M is used in Laptops, and Quadro K1200 - in Desktops.
    • GeForce GT 645M is build with Kepler architecture, and Quadro K1200 - with Maxwell.
    • GeForce GT 645M and Quadro K1200 are manufactured by 28 nm process technology.
    • Memory clock speed of Quadro K1200 is 3200 MHz higher, than GeForce GT 645M.

    Game benchmarks

    high / 1080p 1−2 14−16
    ultra / 1080p 0−1 8−9
    QHD / 1440p 0−1 3−4
    low / 720p 12−14 30−35
    medium / 1080p 2−3 18−20
    The average gaming FPS of Quadro K1200 in Assassin's Creed Odyssey is 340% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M Quadro K1200
    Architecture Kepler Maxwell
    Code name N13P-GS GM107
    Type Laptop Workstation
    Release date 22 March 2012 28 January 2015
    Pipelines 384 512
    Core clock speed 1058 MHz
    Boost Clock 1124 MHz
    Transistor count 1,270 million 1,870 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 22.7 billion/sec 35.97
    Floating-point performance 544.5 gflops 1,151 gflops
    Length 160 mm
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 MHz 5000 MHz
    Shared memory -
    DirectX 12 API 12
    Shader Model 5.1 5
    OpenGL 4.5 4.5
    OpenCL 1.1 1.2
    Vulkan 1.1.126 +
    CUDA + 5.0
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 19 Mh/s 132 Mh/s
    Laptop size medium sized
    Optimus +
    3D Vision Pro +
    Mosaic +
    Width 1" (2.5 cm)
    Number of simultaneous displays 4
    nView Desktop Management +
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