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    Mobility Radeon HD 4870 X2 vs Mobility Radeon HD 5850

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 X2 and Mobility Radeon HD 5850, 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 4870 X2 stacks up against Mobility Radeon HD 5850, check out specs charts below.
    Mobility Radeon HD 4870 X2 Check Price
    Mobility Radeon HD 5850 Check Price

    Mobility Radeon HD 4870 X2 and Mobility Radeon HD 5850 are Laptop Graphics Cards

    Note: Mobility Radeon HD 4870 X2 and Mobility Radeon HD 5850 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 Mobility Radeon HD 5850 here:

    Mobility Radeon HD 4870 X2 Laptops
    Mobility Radeon HD 5850 Laptops

    Main Specs

      Mobility Radeon HD 4870 X2 Mobility Radeon HD 5850
    Power consumption (TDP) 30 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Memory type GDDR3, GDDR5 DDR3, GDDR3, GDDR5
    Maximum RAM amount 2 GB 1 GB
    Display Connectors No outputs No outputs
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    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • Mobility Radeon HD 4870 X2 has 1 GB more memory, than Mobility Radeon HD 5850.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Mobility Radeon HD 5850 - with Terascale 2.
    • Core clock speed of Mobility Radeon HD 5850 is 75 MHz higher, than Mobility Radeon HD 4870 X2.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Mobility Radeon HD 5850 - by 40 nm process technology.
    • Memory clock speed of Mobility Radeon HD 5850 is 1112 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 5−6
    ultra / 1080p 5−6 3−4
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 14−16
    medium / 1080p 12−14 7−8
    The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 71% more, than Mobility Radeon HD 5850.

    Full Specs

      Mobility Radeon HD 4870 X2 Mobility Radeon HD 5850
    Architecture Terascale 1 Terascale 2
    Code name M98-XT Broadway-PRO
    Type Laptop Laptop
    Release date 9 January 2009 7 January 2010
    Pipelines 1600 800
    Core clock speed 550 MHz 625 MHz
    Transistor count 956 million 1,040 million
    Manufacturing process technology 55 nm 40 nm
    Texture fill rate 22.00 20.00
    Floating-point performance 2x 880.0 gflops 800.0 gflops
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 888 MHz 2000 MHz
    Memory bandwidth 89.6 GB/s 64 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 large
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