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    Mobility Radeon HD 4830 vs Radeon RX 640

    Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4830 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 Mobility Radeon HD 4830 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.
    Mobility Radeon HD 4830 Check Price
    Radeon RX 640 Check Price

    Mobility Radeon HD 4830 and Radeon RX 640 are Laptop Graphics Cards

    Note: Mobility Radeon HD 4830 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 Mobility Radeon HD 4830 or Radeon RX 640 here:

    Mobility Radeon HD 4830 Laptops
    Radeon RX 640 Laptops

    Main Specs

      Mobility Radeon HD 4830 Radeon RX 640
    Power consumption (TDP) 50 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR3, DDR3 GDDR5
    Maximum RAM amount 1 GB 4 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • Mobility Radeon HD 4830 is connected by PCIe 2.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
    • Radeon RX 640 has 3 GB more memory, than Mobility Radeon HD 4830.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 4830 is build with Terascale 1 architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 668 MHz higher, than Mobility Radeon HD 4830.
    • Mobility Radeon HD 4830 is manufactured by 40 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 5300 MHz higher, than Mobility Radeon HD 4830.

    Game benchmarks

    high / 1080p 0−1 5−6
    ultra / 1080p 0−1 3−4
    QHD / 1440p 0−1 2−3
    low / 720p 10−11 16−18
    medium / 1080p 1−2 7−8
    The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 100% more, than Mobility Radeon HD 4830.

    Full Specs

      Mobility Radeon HD 4830 Radeon RX 640
    Architecture Terascale 1 Polaris
    Code name M97 Polaris 12
    Type Laptop Laptop
    Release date 3 March 2009 12 August 2019
    Pipelines 640 640
    Core clock speed 550 MHz 1218 MHz
    Boost Clock 1218 MHz
    Transistor count 826 million 2,200 million
    Manufacturing process technology 40 nm 14 nm
    Texture fill rate 17.60 38.98
    Floating-point performance 704.0 gflops
    Memory bus width 128 Bit 64 Bit
    Memory clock speed 700 MHz 6000 MHz
    Memory bandwidth 44.8 GB/s 112.0 GB/s
    Shared memory - -
    DirectX 10.1 (10_1) 12 (12_0)
    Shader Model 4.1 6.4
    OpenGL 3.3 4.6
    OpenCL 1.1 2.0
    Vulkan N/A 1.2.131
    FreeSync +
    Laptop size large large
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