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    Mobility Radeon HD 4830 vs Radeon HD 4870 X2

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4830 and Radeon HD 4870 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 4830 stacks up against Radeon HD 4870 X2, check out specs charts below.
    Mobility Radeon HD 4830 Check Price
    Radeon HD 4870 X2

    Mobility Radeon HD 4830 is a Laptop Graphics Card

    Note: Mobility Radeon HD 4830 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 4830 here:

    Mobility Radeon HD 4830 Laptops

    Main Specs

      Mobility Radeon HD 4830 Radeon HD 4870 X2
    Power consumption (TDP) 286 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type GDDR3, DDR3 GDDR5
    Maximum RAM amount 1 GB 1 GB
    Display Connectors No outputs 2x DVI, 1x S-Video
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    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • Mobility Radeon HD 4830 and Radeon HD 4870 X2 have maximum RAM of 1 GB.
    • Mobility Radeon HD 4830 is used in Laptops, and Radeon HD 4870 X2 - in Desktops.
    • Mobility Radeon HD 4830 is build with Terascale 1 architecture, and Radeon HD 4870 X2 - with TeraScale.
    • Core clock speed of Radeon HD 4870 X2 is 150 MHz higher, than Mobility Radeon HD 4830.
    • Mobility Radeon HD 4830 is manufactured by 40 nm process technology, and Radeon HD 4870 X2 - by 55 nm process technology.
    • Memory clock speed of Radeon HD 4870 X2 is 2900 MHz higher, than Mobility Radeon HD 4830.

    Game benchmarks

    high / 1080p 0−1 3−4
    ultra / 1080p 0−1 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 10−11 14−16
    medium / 1080p 1−2 6−7
    The average gaming FPS of Radeon HD 4870 X2 in Assassin's Creed Odyssey is 66% more, than Mobility Radeon HD 4830.

    Full Specs

      Mobility Radeon HD 4830 Radeon HD 4870 X2
    Architecture Terascale 1 TeraScale
    Code name M97 R700
    Type Laptop Desktop
    Release date 3 March 2009 12 August 2008
    Pipelines 640 800
    Core clock speed 550 MHz 700 MHz
    Transistor count 826 million 956 million
    Manufacturing process technology 40 nm 55 nm
    Texture fill rate 17.60 28.00
    Floating-point performance 704.0 gflops 2x 1,120.0 gflops
    Length 267 mm
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 700 MHz 3600 MHz
    Memory bandwidth 44.8 GB/s 115.2 GB/s
    Shared memory -
    DirectX 10.1 (10_1) 10.1 (10_1)
    Shader Model 4.1 4.1
    OpenGL 3.3 3.3
    OpenCL 1.1 1.1
    Vulkan N/A N/A
    Laptop size large
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