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    GeForce GT 645M vs Tesla M6

    In this comparison between GeForce GT 645M and Tesla M6 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 645M will be the best choice, for others Tesla M6 will be their preference. Study the comparison tables below and make your choice.
    GeForce GT 645M Check Price
    Tesla M6

    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 Tesla M6
    Power consumption (TDP) 32 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 8 GB
    Display Connectors No outputs No outputs
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    • Tesla M6 has 212% more power consumption, than GeForce GT 645M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Tesla M6 has 6 GB more memory, than GeForce GT 645M.
    • GeForce GT 645M is used in Laptops, and Tesla M6 - in Desktops.
    • GeForce GT 645M is build with Kepler architecture, and Tesla M6 - with Maxwell 2.0.
    • GeForce GT 645M and Tesla M6 are manufactured by 28 nm process technology.
    • Memory clock speed of Tesla M6 is 3212 MHz higher, than GeForce GT 645M.

    Game benchmarks

    high / 1080p 1−2 35−40
    ultra / 1080p 0−1 24−27
    QHD / 1440p 0−1 20−22
    4K / 2160p − 10−12
    low / 720p 12−14 65−70
    medium / 1080p 2−3 45−50
    The average gaming FPS of Tesla M6 in Assassin's Creed Odyssey is 900% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M Tesla M6
    Architecture Kepler Maxwell 2.0
    Code name N13P-GS GM204
    Type Laptop Workstation
    Release date 22 March 2012 30 August 2015
    Pipelines 384 1536
    Core clock speed 930 MHz
    Boost Clock 1180 MHz
    Transistor count 1,270 million 5,200 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 22.7 billion/sec 113.3
    Floating-point performance 544.5 gflops 3,625 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 MHz 5012 MHz
    Memory bandwidth 160.4 GB/s
    Shared memory -
    DirectX 12 API 12 (12_1)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan 1.1.126 1.1.126
    CUDA + 5.2
    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
    Laptop size medium sized
    Optimus +
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