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    Radeon R7 250X vs Radeon RX 640

    When comparing Radeon R7 250X and Radeon RX 640, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon R7 250X and Radeon RX 640 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Radeon R7 250X 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 R7 250X Radeon RX 640
    Power consumption (TDP) 80 Watt 50 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Supplementary power connectors 1 x 6-pin None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R7 250X has 60% more power consumption, than Radeon RX 640.
    • Radeon R7 250X is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
    • Radeon RX 640 has 2 GB more memory, than Radeon R7 250X.
    • Radeon R7 250X is used in Desktops, and Radeon RX 640 - in Laptops.
    • Radeon R7 250X is build with GCN 1.0 architecture, and Radeon RX 640 - with Polaris.
    • Radeon R7 250X is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 4375 MHz higher, than Radeon R7 250X.

    Game benchmarks

    high / 1080p 10−12 5−6
    ultra / 1080p 6−7 3−4
    QHD / 1440p 1−2 2−3
    low / 720p 24−27 16−18
    medium / 1080p 14−16 7−8
    The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 57% more, than Radeon RX 640.

    Full Specs

      Radeon R7 250X Radeon RX 640
    Architecture GCN 1.0 Polaris
    Code name Cape Verde Polaris 12
    Type Desktop Laptop
    Release date 13 February 2014 12 August 2019
    Pipelines 640 640
    Core clock speed 1218 MHz
    Boost Clock 1000 MHz 1218 MHz
    Transistor count 1,500 million 2,200 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 38.00 38.98
    Floating-point performance 1,216 gflops
    Length 210 mm
    Memory bus width 128 Bit 64 Bit
    Memory clock speed 1625 MHz 6000 MHz
    Memory bandwidth 96 GB/s 112.0 GB/s
    Shared memory -
    DirectX 12 (12_0)
    Shader Model 5.1 6.4
    OpenGL 4.6 4.6
    OpenCL 1.2 2.0
    Vulkan 1.2.131
    FreeSync + +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 152 Mh/s
    Laptop size large
    Eyefinity +
    Design reference
    CrossFire +
    DDMA audio +
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