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    GeForce GT 640M LE vs GeForce GTX 675M

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and GeForce GTX 675M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640M LE and GeForce GTX 675M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GT 640M LE Check Price
    GeForce GTX 675M Check Price

    GeForce GT 640M LE and GeForce GTX 675M are Laptop Graphics Cards

    Note: GeForce GT 640M LE and GeForce GTX 675M 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 GT 640M LE or GeForce GTX 675M here:

    GeForce GT 640M LE Laptops
    GeForce GTX 675M Laptops

    Main Specs

      GeForce GT 640M LE GeForce GTX 675M
    Power consumption (TDP) 20 Watt 100 Watt
    Interface PCIe 2.0 x16 MXM-B (3.0)
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 675M has 400% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GeForce GTX 675M uses MXM-B (3.0) interface.
    • GeForce GT 640M LE and GeForce GTX 675M have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GTX 675M - with Fermi.
    • GeForce GT 640M LE is manufactured by 28 nm process technology, and GeForce GTX 675M - by 40 nm process technology.
    • Memory clock speed of GeForce GT 640M LE is 300 MHz higher, than GeForce GTX 675M.

    Game benchmarks

    high / 1080p 0−1 10−11
    ultra / 1080p − 6−7
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 21−24
    medium / 1080p 0−1 12−14
    The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 2100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE GeForce GTX 675M
    Architecture Fermi / Kepler Fermi
    Code name N13P-LP N13E-GS1
    Type Laptop Laptop
    Release date 22 March 2012 22 March 2012
    Pipelines 384 384
    Core clock speed 620 MHz
    Transistor count 585 million 1,950 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 39.7 billion/sec
    Floating-point performance 384.0 gflops 952.3 gflops
    Memory bus width 128bit 256bit
    Memory clock speed 1800 - 4000 MHz 1500 MHz
    Memory bandwidth 96.0 GB/s
    Shared memory - -
    DirectX 12 API 12 API
    Shader Model 5.1 5.1
    OpenGL 4.5 4.5
    OpenCL 1.1 1.1
    Vulkan N/A N/A
    CUDA + +
    CUDA cores Up to 384 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 2.0
    SLI options +
    HDMI + +
    HDCP + +
    Maximum VGA resolution Up to 2048x1536 Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 14 Mh/s 59 Mh/s
    Laptop size medium sized large
    Optimus + +
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