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    Mobility Radeon HD 4870 vs Radeon HD 6550A

    When comparing Mobility Radeon HD 4870 and Radeon HD 6550A, 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 Mobility Radeon HD 4870 and Radeon HD 6550A is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Mobility Radeon HD 4870 Check Price
    Radeon HD 6550A

    Mobility Radeon HD 4870 is a Laptop Graphics Card

    Note: Mobility Radeon HD 4870 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 Mobility Radeon HD 4870 here:

    Mobility Radeon HD 4870 Laptops

    Main Specs

      Mobility Radeon HD 4870 Radeon HD 6550A
    Power consumption (TDP) 35 Watt
    Interface PCIe 2.0 x16 MXM-A (3.0)
    Memory type GDDR5 GDDR3
    Maximum RAM amount 1 GB 2 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 6550A uses MXM-A (3.0) interface.
    • Radeon HD 6550A has 1 GB more memory, than Mobility Radeon HD 4870.
    • Mobility Radeon HD 4870 is used in Laptops, and Radeon HD 6550A - in Desktops.
    • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 6550A - with TeraScale 2.
    • Both graphics cards have the same core clock speed.
    • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 6550A - by 40 nm process technology.
    • Memory clock speed of Radeon HD 6550A is 712 MHz higher, than Mobility Radeon HD 4870.

    Game benchmarks

    high / 1080p 7−8 0−1
    ultra / 1080p 4−5 −
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 1−2
    medium / 1080p 8−9 0−1
    The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 1600% more, than Radeon HD 6550A.

    Full Specs

      Mobility Radeon HD 4870 Radeon HD 6550A
    Architecture Terascale 1 TeraScale 2
    Code name M98-XT Pinewood
    Type Laptop Desktop
    Release date 9 January 2009 7 February 2011
    Pipelines 800 480
    Core clock speed 550 MHz 550 MHz
    Transistor count 956 million 627 million
    Manufacturing process technology 55 nm 40 nm
    Texture fill rate 22.00 13.20
    Floating-point performance 880.0 gflops 624.0 gflops
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 888 MHz 1600 MHz
    Memory bandwidth 56.83 GB/s 25.6 GB/s
    Shared memory -
    DirectX 10.1 (10_1) 11.2 (11_0)
    Shader Model 4.1 5.0
    OpenGL 3.3 4.4
    OpenCL 1.1 1.2
    Vulkan N/A N/A
    Laptop size large
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