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    GeForce GT 640M LE vs Radeon R7 M275DX

    If you are going to buy a new graphics card and are choosing between GeForce GT 640M LE and Radeon R7 M275DX, 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 Radeon R7 M275DX, check out specs charts below.
    GeForce GT 640M LE Check Price
    Radeon R7 M275DX Check Price

    GeForce GT 640M LE and Radeon R7 M275DX are Laptop Graphics Cards

    Note: GeForce GT 640M LE and Radeon R7 M275DX 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 Radeon R7 M275DX here:

    GeForce GT 640M LE Laptops
    Radeon R7 M275DX Laptops

    Main Specs

      GeForce GT 640M LE Radeon R7 M275DX
    Power consumption (TDP) 20 Watt
    Interface PCIe 2.0 x16
    Memory type DDR3\DDR5 DDR3
    Maximum RAM amount 2 GB
    Display Connectors No outputs
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    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon R7 M275DX - with GCN.
    • GeForce GT 640M LE and Radeon R7 M275DX are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 0−1 9−10
    ultra / 1080p − 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 21−24
    medium / 1080p 0−1 10−12
    The average gaming FPS of Radeon R7 M275DX in Assassin's Creed Odyssey is 2100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Radeon R7 M275DX
    Architecture Fermi / Kepler GCN
    Code name N13P-LP
    Type Laptop Laptop
    Release date 22 March 2012 4 June 2014
    Pipelines 384 896
    Transistor count 585 million
    Manufacturing process technology 28 nm 28 nm
    Floating-point performance 384.0 gflops
    Memory bus width 128bit
    Memory clock speed 1800 - 4000 MHz
    Shared memory - +
    DirectX 12 API DirectX 12, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan N/A
    CUDA +
    CUDA cores Up to 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) 14 Mh/s
    Laptop size medium sized medium sized
    Optimus +
    Eyefinity +
    AppAcceleration +
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