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    GeForce 920MX vs Radeon RX 640

    Find out if it is worth upgrading your current GPU setup by comparing GeForce 920MX and Radeon RX 640. 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 920MX and Radeon RX 640. 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 920MX Check Price
    Radeon RX 640 Check Price

    GeForce 920MX and Radeon RX 640 are Laptop Graphics Cards

    Note: GeForce 920MX 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 920MX or Radeon RX 640 here:

    GeForce 920MX Laptops
    Radeon RX 640 Laptops

    Main Specs

      GeForce 920MX Radeon RX 640
    Power consumption (TDP) 16 Watt 50 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x8
    Supplementary power connectors None None
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon RX 640 has 212% more power consumption, than GeForce 920MX.
    • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
    • Radeon RX 640 has 2 GB more memory, than GeForce 920MX.
    • Both cards are used in Laptops.
    • GeForce 920MX is build with Maxwell architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 253 MHz higher, than GeForce 920MX.
    • GeForce 920MX is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 4200 MHz higher, than GeForce 920MX.

    Game benchmarks

    high / 1080p 2−3 5−6
    ultra / 1080p 0−1 3−4
    QHD / 1440p 0−1 2−3
    low / 720p 12−14 16−18
    medium / 1080p 3−4 7−8
    The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 66% more, than GeForce 920MX.

    Full Specs

      GeForce 920MX Radeon RX 640
    Architecture Maxwell Polaris
    Code name N16V-GMR Polaris 12
    Type Laptop Laptop
    Release date 25 March 2015 12 August 2019
    Pipelines 256 640
    Core clock speed 965 MHz 1218 MHz
    Boost Clock 993 MHz 1218 MHz
    Transistor count 2,200 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 23.83 38.98
    Floating-point performance 602.1 gflops
    Memory bus width 64 Bit 64 Bit
    Memory clock speed 1800 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
    Laptop size large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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