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    Mobility Radeon HD 4850 vs Radeon HD 6850 X2

    When choosing between Mobility Radeon HD 4850 and Radeon HD 6850 X2, 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 Mobility Radeon HD 4850 and Radeon HD 6850 X2.
    Mobility Radeon HD 4850 Check Price
    Radeon HD 6850 X2

    Mobility Radeon HD 4850 is a Laptop Graphics Card

    Note: Mobility Radeon HD 4850 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 4850 here:

    Mobility Radeon HD 4850 Laptops

    Main Specs

      Mobility Radeon HD 4850 Radeon HD 6850 X2
    Power consumption (TDP) 254 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Supplementary power connectors 2x 8-pin
    Memory type GDDR3 GDDR5
    Maximum RAM amount 1 GB 2 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • Radeon HD 6850 X2 has 1 GB more memory, than Mobility Radeon HD 4850.
    • Mobility Radeon HD 4850 is used in Laptops, and Radeon HD 6850 X2 - in Desktops.
    • Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 6850 X2 - with TeraScale 2.
    • Core clock speed of Radeon HD 6850 X2 is 300 MHz higher, than Mobility Radeon HD 4850.
    • Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
    • Memory clock speed of Radeon HD 6850 X2 is 3350 MHz higher, than Mobility Radeon HD 4850.

    Game benchmarks

    high / 1080p 3−4 12−14
    ultra / 1080p 1−2 7−8
    QHD / 1440p 0−1 2−3
    low / 720p 14−16 27−30
    medium / 1080p 5−6 16−18
    The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 166% more, than Mobility Radeon HD 4850.

    Full Specs

      Mobility Radeon HD 4850 Radeon HD 6850 X2
    Architecture Terascale 1 TeraScale 2
    Code name M98 Barts
    Type Laptop Desktop
    Release date 9 January 2009 19 September 2011
    Pipelines 800 960
    Core clock speed 500 MHz 800 MHz
    Transistor count 956 million 1,700 million
    Manufacturing process technology 55 nm 40 nm
    Texture fill rate 20.00 38.40
    Floating-point performance 800.0 gflops 2x 1,536.0 gflops
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 850 MHz 4200 MHz
    Memory bandwidth 54.4 GB/s 134.4 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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