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    GeForce GT 640M LE vs GeForce GTX 980M

    If you are going to buy a new graphics card and are choosing between GeForce GT 640M LE and GeForce GTX 980M, 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 640M LE stacks up against GeForce GTX 980M, check out specs charts below.
    GeForce GT 640M LE Check Price
    GeForce GTX 980M Check Price

    GeForce GT 640M LE and GeForce GTX 980M are Laptop Graphics Cards

    Note: GeForce GT 640M LE and GeForce GTX 980M 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 980M here:

    GeForce GT 640M LE Laptops
    GeForce GTX 980M Laptops

    Main Specs

      GeForce GT 640M LE GeForce GTX 980M
    Power consumption (TDP) 20 Watt
    Interface PCIe 2.0 x16 MXM-B (3.0)
    Supplementary power connectors None
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 8 GB
    Display Connectors No outputs No outputs
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    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GeForce GTX 980M uses MXM-B (3.0) interface.
    • GeForce GTX 980M has 6 GB more memory, than GeForce GT 640M LE.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GTX 980M - with Maxwell.
    • GeForce GT 640M LE and GeForce GTX 980M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GTX 980M is 700 MHz higher, than GeForce GT 640M LE.

    Game benchmarks

    high / 1080p 0−1 35−40
    ultra / 1080p − 24−27
    QHD / 1440p 0−1 18−20
    4K / 2160p − 10−11
    low / 720p 1−2 60−65
    medium / 1080p 0−1 45−50
    The average gaming FPS of GeForce GTX 980M in Assassin's Creed Odyssey is 6100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE GeForce GTX 980M
    Architecture Fermi / Kepler Maxwell
    Code name N13P-LP GM204
    Type Laptop Laptop
    Release date 22 March 2012 7 October 2014
    Pipelines 384 1536
    Core clock speed 1038 MHz
    Boost Clock 1127 MHz
    Transistor count 585 million 5,200 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 51.84
    Floating-point performance 384.0 gflops 3,462 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 2500 MHz
    Memory bandwidth 160 GB/s
    Shared memory - -
    G-SYNC support +
    DirectX 12 API 12 (12_1)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.5
    OpenCL 1.1 1.1
    Vulkan N/A 1.1.126
    CUDA + +
    CUDA cores Up to 384 1536
    Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 3.0
    SLI options +
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 14 Mh/s 383 Mh/s
    Laptop size medium sized large
    DisplayPort Multimode (DP++) support +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus + +
    GameStream +
    GeForce ShadowPlay +
    GPU Boost 2.0
    GameWorks +
    BatteryBoost +
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