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    Quadro P620 vs Radeon HD 6990M Crossfire

    If you are going to buy a new graphics card and are choosing between Quadro P620 and Radeon HD 6990M Crossfire, 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 Quadro P620 stacks up against Radeon HD 6990M Crossfire, check out specs charts below.
    Quadro P620 Check Price
    Radeon HD 6990M Crossfire 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

      Quadro P620 Radeon HD 6990M Crossfire
    Power consumption (TDP) 40 Watt
    Interface PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 2x2 GB
    Display Connectors 4x mini-DisplayPort
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    • Quadro P620 has 2 GB more memory, than Radeon HD 6990M Crossfire.
    • Quadro P620 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
    • Quadro P620 is build with Pascal architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
    • Core clock speed of Quadro P620 is 462 MHz higher, than Radeon HD 6990M Crossfire.
    • Quadro P620 is manufactured by 14 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
    • Memory clock speed of Quadro P620 is 5100 MHz higher, than Radeon HD 6990M Crossfire.

    Game benchmarks

    high / 1080p 18−20 35−40
    ultra / 1080p 10−12 21−24
    QHD / 1440p 5−6 16−18
    4K / 2160p 4−5 10−11
    low / 720p 35−40 60−65
    medium / 1080p 21−24 40−45
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 100% more, than Quadro P620.

    Full Specs

      Quadro P620 Radeon HD 6990M Crossfire
    Architecture Pascal Terascale 2
    Code name GP107 Blackcomb XTX
    Type Workstation Laptop
    Release date 27 May 2019 12 July 2011
    Pipelines 512 2240
    Core clock speed 1177 MHz 715 MHz
    Boost Clock 1442 MHz
    Transistor count 3,300 million 2x1700 Million
    Manufacturing process technology 14 nm 40 nm
    Texture fill rate 43.33
    Floating-point performance 1,490 gflops
    Length 145 mm
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 6000 MHz 900 MHz
    Memory bandwidth 80.13 GB/s
    Shared memory - -
    DirectX 12 (12_1) DirectX 11, Shader 5.0
    Shader Model 6.4
    OpenGL 4.6
    OpenCL 1.2
    Vulkan 1.2.131
    CUDA 6.1
    Laptop size large
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