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    Radeon RX 560 vs Radeon RX 640

    When choosing between Radeon RX 560 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 RX 560 and Radeon RX 640.
    Radeon RX 560 Check Price
    Radeon RX 640 Check Price

    Radeon RX 640 is a Laptop Graphics Card

    Note: Radeon RX 640 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 Radeon RX 640 here:

    Radeon RX 640 Laptops

    Main Specs

      Radeon RX 560 Radeon RX 640
    Power consumption (TDP) 75 Watt 50 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x8
    Supplementary power connectors None None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon RX 560 has 50% more power consumption, than Radeon RX 640.
    • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
    • Radeon RX 560 and Radeon RX 640 have maximum RAM of 4 GB.
    • Radeon RX 560 is used in Desktops, and Radeon RX 640 - in Laptops.
    • Radeon RX 560 is build with GCN 4.0 architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 43 MHz higher, than Radeon RX 560.
    • Radeon RX 560 and Radeon RX 640 are manufactured by 14 nm process technology.
    • Memory clock speed of Radeon RX 560 is 1000 MHz higher, than Radeon RX 640.

    Game benchmarks

    high / 1080p 18−20 5−6
    ultra / 1080p 10−12 3−4
    QHD / 1440p 5−6 2−3
    4K / 2160p 4−5 −
    low / 720p 35−40 16−18
    medium / 1080p 21−24 7−8
    The average gaming FPS of Radeon RX 560 in Assassin's Creed Odyssey is 171% more, than Radeon RX 640.

    Full Specs

      Radeon RX 560 Radeon RX 640
    Architecture GCN 4.0 Polaris
    Code name Polaris 21 Polaris 12
    Type Desktop Laptop
    Release date 18 April 2017 12 August 2019
    Pipelines 1024 640
    Core clock speed 1175 MHz 1218 MHz
    Boost Clock 1275 MHz 1218 MHz
    Transistor count 3,000 million 2,200 million
    Manufacturing process technology 14 nm 14 nm
    Texture fill rate 81.60 38.98
    Floating-point performance 2,611 gflops
    Length 170 mm
    Memory bus width 128 Bit 64 Bit
    Memory clock speed 7000 MHz 6000 MHz
    Memory bandwidth 112.0 GB/s 112.0 GB/s
    Shared memory -
    DirectX 12 (12_0) 12 (12_0)
    Shader Model 6.4 6.4
    OpenGL 4.6 4.6
    OpenCL 2.0 2.0
    Vulkan 1.2.131 1.2.131
    FreeSync +
    Laptop size large
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