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    GeForce GT 640M LE vs Radeon R7 250X

    In this comparison between GeForce GT 640M LE and Radeon R7 250X 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 640M LE will be the best choice, for others Radeon R7 250X will be their preference. Study the comparison tables below and make your choice.
    GeForce GT 640M LE Check Price
    Radeon R7 250X Check Price

    GeForce GT 640M LE is a Laptop Graphics Card

    Note: GeForce GT 640M LE 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 640M LE here:

    GeForce GT 640M LE Laptops

    Main Specs

      GeForce GT 640M LE Radeon R7 250X
    Power consumption (TDP) 20 Watt 80 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1 x 6-pin
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Radeon R7 250X has 300% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon R7 250X uses PCIe 3.0 x16 interface.
    • GeForce GT 640M LE and Radeon R7 250X have maximum RAM of 2 GB.
    • GeForce GT 640M LE is used in Laptops, and Radeon R7 250X - in Desktops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon R7 250X - with GCN 1.0.
    • GeForce GT 640M LE and Radeon R7 250X are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M LE is 175 MHz higher, than Radeon R7 250X.

    Game benchmarks

    high / 1080p 0−1 10−12
    ultra / 1080p − 6−7
    QHD / 1440p 0−1 1−2
    low / 720p 1−2 24−27
    medium / 1080p 0−1 14−16
    The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 2400% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Radeon R7 250X
    Architecture Fermi / Kepler GCN 1.0
    Code name N13P-LP Cape Verde
    Type Laptop Desktop
    Release date 22 March 2012 13 February 2014
    Pipelines 384 640
    Boost Clock 1000 MHz
    Transistor count 585 million 1,500 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 38.00
    Floating-point performance 384.0 gflops 1,216 gflops
    Length 210 mm
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 - 4000 MHz 1625 MHz
    Memory bandwidth 96 GB/s
    Shared memory -
    DirectX 12 API
    Shader Model 5.1 5.1
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan N/A
    CUDA +
    FreeSync +
    CUDA cores Up to 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 14 Mh/s 152 Mh/s
    Laptop size medium sized
    Optimus +
    Eyefinity +
    Design reference
    CrossFire +
    DDMA audio +
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