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    Radeon HD 6990M Crossfire vs Radeon Pro WX 4100

    If you are going to buy a new graphics card and are choosing between Radeon HD 6990M Crossfire and Radeon Pro WX 4100, 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 Radeon HD 6990M Crossfire stacks up against Radeon Pro WX 4100, check out specs charts below.
    Radeon HD 6990M Crossfire Check Price
    Radeon Pro WX 4100 Check Price

    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 Radeon Pro WX 4100
    Power consumption (TDP) 50 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2x2 GB 4 GB
    Display Connectors 4x mini-DisplayPort
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    • Radeon Pro WX 4100 has 2 GB more memory, than Radeon HD 6990M Crossfire.
    • Radeon HD 6990M Crossfire is used in Laptops, and Radeon Pro WX 4100 - in Desktops.
    • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon Pro WX 4100 - with GCN 4.0.
    • Core clock speed of Radeon Pro WX 4100 is 410 MHz higher, than Radeon HD 6990M Crossfire.
    • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon Pro WX 4100 - by 14 nm process technology.
    • Memory clock speed of Radeon Pro WX 4100 is 5100 MHz higher, than Radeon HD 6990M Crossfire.

    Game benchmarks

    high / 1080p 35−40 18−20
    ultra / 1080p 21−24 10−12
    QHD / 1440p 16−18 5−6
    4K / 2160p 10−11 4−5
    low / 720p 60−65 35−40
    medium / 1080p 40−45 21−24
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 100% more, than Radeon Pro WX 4100.

    Full Specs

      Radeon HD 6990M Crossfire Radeon Pro WX 4100
    Architecture Terascale 2 GCN 4.0
    Code name Blackcomb XTX Baffin
    Type Laptop Workstation
    Release date 12 July 2011 10 November 2016
    Pipelines 2240 1024
    Core clock speed 715 MHz 1125 MHz
    Boost Clock 1201 MHz
    Transistor count 2x1700 Million 3,000 million
    Manufacturing process technology 40 nm 14 nm
    Texture fill rate 76.86
    Floating-point performance 2,460 gflops
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 900 MHz 6000 MHz
    Memory bandwidth 96 GB/s
    Shared memory -
    DirectX DirectX 11, Shader 5.0 12 (12_0)
    Shader Model 6.4
    OpenGL 4.6
    OpenCL 2.0
    Vulkan 1.2.131
    Laptop size large
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