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    Mobility Radeon HD 5870 Crossfire vs Radeon HD 4850 X2

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 5870 Crossfire and Radeon HD 4850 X2, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 5870 Crossfire stacks up against Radeon HD 4850 X2, check out specs charts below.
    Mobility Radeon HD 5870 Crossfire Check Price
    Radeon HD 4850 X2

    Mobility Radeon HD 5870 Crossfire is a Laptop Graphics Card

    Note: Mobility Radeon HD 5870 Crossfire 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 5870 Crossfire here:

    Mobility Radeon HD 5870 Crossfire Laptops

    Main Specs

      Mobility Radeon HD 5870 Crossfire Radeon HD 4850 X2
    Power consumption (TDP) 120 Watt 250 Watt
    Interface PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type DDR3, GDDR3, GDDR5 GDDR3
    Maximum RAM amount 2x1 GB 512 MB
    Display Connectors 4x DVI, 1x S-Video
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    • Radeon HD 4850 X2 has 108% more power consumption, than Mobility Radeon HD 5870 Crossfire.
    • Radeon HD 4850 X2 has 510 GB more memory, than Mobility Radeon HD 5870 Crossfire.
    • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon HD 4850 X2 - in Desktops.
    • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon HD 4850 X2 - with TeraScale.
    • Core clock speed of Mobility Radeon HD 5870 Crossfire is 75 MHz higher, than Radeon HD 4850 X2.
    • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon HD 4850 X2 - by 55 nm process technology.
    • Memory clock speed of Radeon HD 4850 X2 is 990 MHz higher, than Mobility Radeon HD 5870 Crossfire.

    Game benchmarks

    high / 1080p 16−18 3−4
    ultra / 1080p 9−10 2−3
    QHD / 1440p 4−5 0−1
    low / 720p 30−35 14−16
    medium / 1080p 18−20 5−6
    The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 216% more, than Radeon HD 4850 X2.

    Full Specs

      Mobility Radeon HD 5870 Crossfire Radeon HD 4850 X2
    Architecture Terascale 2 TeraScale
    Code name Broadway-XT R700
    Type Laptop Desktop
    Release date 7 January 2010 7 November 2008
    Pipelines 1600 800
    Core clock speed 700 MHz 625 MHz
    Transistor count 956 million
    Manufacturing process technology 40 nm 55 nm
    Texture fill rate 25.00
    Floating-point performance 2x 1,000.0 gflops
    Length 267 mm
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 1000 MHz 1990 MHz
    Memory bandwidth 63.68 GB/s
    Shared memory -
    DirectX DirectX 11, Shader 5.0 10.1 (10_1)
    Shader Model 4.1
    OpenGL 3.3
    OpenCL 1.1
    Vulkan N/A
    Laptop size large
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