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    Mobility Radeon HD 4870 X2 vs UHD Graphics 630

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 X2 and UHD Graphics 630, 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 UHD Graphics 630, check out specs charts below.
    Mobility Radeon HD 4870 X2 Check Price
    UHD Graphics 630

    Mobility Radeon HD 4870 X2 is a Laptop Graphics Card

    Note: Mobility Radeon HD 4870 X2 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 X2 here:

    Mobility Radeon HD 4870 X2 Laptops

    Main Specs

      Mobility Radeon HD 4870 X2 UHD Graphics 630
    Power consumption (TDP) 15 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x1
    Memory type GDDR3, GDDR5 System Shared
    Maximum RAM amount 2 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and UHD Graphics 630 uses PCIe 3.0 x1 interface.
    • Mobility Radeon HD 4870 X2 is used in Laptops, and UHD Graphics 630 - in Desktops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and UHD Graphics 630 - with Gen. 9.5.
    • Core clock speed of Mobility Radeon HD 4870 X2 is 250 MHz higher, than UHD Graphics 630.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and UHD Graphics 630 - by 14 nm process technology.

    Game benchmarks

    high / 1080p 9−10 3−4
    ultra / 1080p 5−6 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 14−16
    medium / 1080p 12−14 5−6
    The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 100% more, than UHD Graphics 630.

    Full Specs

      Mobility Radeon HD 4870 X2 UHD Graphics 630
    Architecture Terascale 1 Gen. 9.5
    Code name M98-XT Kaby-Lake-H-GT2
    Type Laptop Desktop
    Release date 9 January 2009 1 October 2017
    Pipelines 1600 24
    Core clock speed 550 MHz 300 MHz
    Boost Clock 1150 MHz
    Transistor count 956 million 189 million
    Manufacturing process technology 55 nm 14 nm
    Texture fill rate 22.00 26.45
    Floating-point performance 2x 880.0 gflops 460.8 gflops
    Memory bus width 256 Bit 64/128 Bit
    Memory clock speed 888 MHz
    Memory bandwidth 89.6 GB/s
    Shared memory - +
    DirectX 10.1 (10_1) 12 (12_1)
    Shader Model 4.1 6.5
    OpenGL 3.3 4.6
    OpenCL 1.1 2.1
    Vulkan N/A 1.1.103
    Laptop size large
    Quick Sync +
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