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    Radeon R9 M290X vs Radeon RX 640

    When choosing between Radeon R9 M290X 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 Radeon R9 M290X and Radeon RX 640.
    Radeon R9 M290X Check Price
    Radeon RX 640 Check Price

    Radeon R9 M290X and Radeon RX 640 are Laptop Graphics Cards

    Note: Radeon R9 M290X 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 Radeon R9 M290X or Radeon RX 640 here:

    Radeon R9 M290X Laptops
    Radeon RX 640 Laptops

    Main Specs

      Radeon R9 M290X Radeon RX 640
    Power consumption (TDP) 100 Watt 50 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Supplementary power connectors None None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 M290X has 100% more power consumption, than Radeon RX 640.
    • Radeon R9 M290X is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
    • Radeon R9 M290X and Radeon RX 640 have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • Radeon R9 M290X is build with GCN architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 368 MHz higher, than Radeon R9 M290X.
    • Radeon R9 M290X is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 4800 MHz higher, than Radeon R9 M290X.

    Game benchmarks

    high / 1080p 16−18 5−6
    ultra / 1080p 10−11 3−4
    QHD / 1440p 4−5 2−3
    4K / 2160p 4−5 −
    low / 720p 30−35 16−18
    medium / 1080p 20−22 7−8
    The average gaming FPS of Radeon R9 M290X in Assassin's Creed Odyssey is 142% more, than Radeon RX 640.

    Full Specs

      Radeon R9 M290X Radeon RX 640
    Architecture GCN Polaris
    Code name Neptune Polaris 12
    Type Laptop Laptop
    Release date 7 January 2014 12 August 2019
    Pipelines 1280 640
    Core clock speed 850 MHz 1218 MHz
    Boost Clock 900 MHz 1218 MHz
    Transistor count 2,800 million 2,200 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 72.00 38.98
    Floating-point performance 2,304 gflops
    Memory bus width 256 Bit 64 Bit
    Memory clock speed 1200 MHz 6000 MHz
    Memory bandwidth 153.6 GB/s 112.0 GB/s
    Shared memory - -
    DirectX 12 (12_0)
    Shader Model 5.1 6.4
    OpenGL 4.4 4.6
    OpenCL Not Listed 2.0
    Vulkan 1.2.131
    FreeSync + +
    Bus support PCIe 3.0 x16
    Bitcoin / BTC (SHA256) 300 Mh/s
    Laptop size large large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 20
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