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    Mobility Radeon HD 4870 X2 vs Radeon 520

    Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 X2 and Radeon 520. 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 4870 X2 and Radeon 520. 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 4870 X2 Check Price
    Radeon 520 Check Price

    Mobility Radeon HD 4870 X2 and Radeon 520 are Laptop Graphics Cards

    Note: Mobility Radeon HD 4870 X2 and Radeon 520 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 4870 X2 or Radeon 520 here:

    Mobility Radeon HD 4870 X2 Laptops
    Radeon 520 Laptops

    Main Specs

      Mobility Radeon HD 4870 X2 Radeon 520
    Power consumption (TDP) 50 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR3, GDDR5 DDR3, GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x VGA
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    • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon 520 uses PCIe 3.0 x8 interface.
    • Mobility Radeon HD 4870 X2 and Radeon 520 have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon 520 - with GCN 1.0.
    • Core clock speed of Radeon 520 is 480 MHz higher, than Mobility Radeon HD 4870 X2.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon 520 - by 28 nm process technology.
    • Memory clock speed of Radeon 520 is 1362 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 0−1
    ultra / 1080p 5−6 −
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 1−2
    medium / 1080p 12−14 0−1
    The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 2100% more, than Radeon 520.

    Full Specs

      Mobility Radeon HD 4870 X2 Radeon 520
    Architecture Terascale 1 GCN 1.0
    Code name M98-XT Oland
    Type Laptop Laptop
    Release date 9 January 2009 21 March 2017
    Pipelines 1600 320
    Core clock speed 550 MHz 1030 MHz
    Transistor count 956 million 1,040 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 22.00 20.60
    Floating-point performance 2x 880.0 gflops 659.2 gflops
    Memory bus width 256 Bit 64 Bit
    Memory clock speed 888 MHz 2250 MHz
    Memory bandwidth 89.6 GB/s 16 GB/s
    Shared memory - -
    DirectX 10.1 (10_1) 12.0
    Shader Model 4.1 5.0
    OpenGL 3.3 4.6
    OpenCL 1.1 1.2
    Vulkan N/A +
    Laptop size large
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