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    Radeon HD 6990M Crossfire vs UHD Graphics 630

    When comparing Radeon HD 6990M Crossfire and UHD Graphics 630, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 6990M Crossfire and UHD Graphics 630 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Radeon HD 6990M Crossfire Check Price
    UHD Graphics 630

    Radeon HD 6990M Crossfire is a Laptop Graphics Card

    Note: Radeon HD 6990M 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 Radeon HD 6990M Crossfire here:

    Radeon HD 6990M Crossfire Laptops

    Main Specs

      Radeon HD 6990M Crossfire UHD Graphics 630
    Power consumption (TDP) 15 Watt
    Interface PCIe 3.0 x1
    Memory type GDDR5 System Shared
    Maximum RAM amount 2x2 GB
    Display Connectors No outputs
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    • Radeon HD 6990M Crossfire is used in Laptops, and UHD Graphics 630 - in Desktops.
    • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and UHD Graphics 630 - with Gen. 9.5.
    • Core clock speed of Radeon HD 6990M Crossfire is 415 MHz higher, than UHD Graphics 630.
    • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and UHD Graphics 630 - by 14 nm process technology.

    Game benchmarks

    high / 1080p 35−40 3−4
    ultra / 1080p 21−24 1−2
    QHD / 1440p 16−18 0−1
    4K / 2160p 10−11 −
    low / 720p 60−65 14−16
    medium / 1080p 40−45 5−6
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than UHD Graphics 630.

    Full Specs

      Radeon HD 6990M Crossfire UHD Graphics 630
    Architecture Terascale 2 Gen. 9.5
    Code name Blackcomb XTX Kaby-Lake-H-GT2
    Type Laptop Desktop
    Release date 12 July 2011 1 October 2017
    Pipelines 2240 24
    Core clock speed 715 MHz 300 MHz
    Boost Clock 1150 MHz
    Transistor count 2x1700 Million 189 million
    Manufacturing process technology 40 nm 14 nm
    Texture fill rate 26.45
    Floating-point performance 460.8 gflops
    Memory bus width 256 Bit 64/128 Bit
    Memory clock speed 900 MHz
    Shared memory - +
    DirectX DirectX 11, Shader 5.0 12 (12_1)
    Shader Model 6.5
    OpenGL 4.6
    OpenCL 2.1
    Vulkan 1.1.103
    Laptop size large
    Quick Sync +
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