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    GeForce 940M vs Radeon RX 640

    When choosing between GeForce 940M and Radeon RX 640, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 940M and Radeon RX 640.
    GeForce 940M Check Price
    Radeon RX 640 Check Price

    GeForce 940M and Radeon RX 640 are Laptop Graphics Cards

    Note: GeForce 940M and Radeon RX 640 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 940M or Radeon RX 640 here:

    GeForce 940M Laptops
    Radeon RX 640 Laptops

    Main Specs

      GeForce 940M Radeon RX 640
    Power consumption (TDP) 75 Watt 50 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • GeForce 940M has 50% more power consumption, than Radeon RX 640.
    • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
    • GeForce 940M and Radeon RX 640 have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • GeForce 940M is build with Maxwell architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 146 MHz higher, than GeForce 940M.
    • GeForce 940M is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 4000 MHz higher, than GeForce 940M.

    Game benchmarks

    high / 1080p 2−3 5−6
    ultra / 1080p 1−2 3−4
    QHD / 1440p 0−1 2−3
    low / 720p 12−14 16−18
    medium / 1080p 4−5 7−8
    The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 60% more, than GeForce 940M.

    Full Specs

      GeForce 940M Radeon RX 640
    Architecture Maxwell Polaris
    Code name N16S-GT-S/B Polaris 12
    Type Laptop Laptop
    Release date 12 March 2015 12 August 2019
    Pipelines 384 640
    Core clock speed 1072 MHz 1218 MHz
    Boost Clock 1176 MHz 1218 MHz
    Transistor count 1,870 million 2,200 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 28.22 38.98
    Floating-point performance 903.2 gflops
    Memory bus width 64 Bit 64 Bit
    Memory clock speed 2000 MHz 6000 MHz
    Memory bandwidth 14.4 GB/s 112.0 GB/s
    Shared memory - -
    DirectX 12 (11_0) 12 (12_0)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.6
    OpenCL 1.2 2.0
    Vulkan 1.1.126 1.2.131
    CUDA +
    FreeSync +
    Bus support PCI Express 3.0
    Bitcoin / BTC (SHA256) 101 Mh/s
    Laptop size medium sized large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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