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    Quadro CX vs Radeon HD 6990M

    Find out if it is worth upgrading your current GPU setup by comparing Quadro CX and Radeon HD 6990M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Quadro CX and Radeon HD 6990M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    Quadro CX
    Radeon HD 6990M Check Price

    Radeon HD 6990M is a Laptop Graphics Card

    Note: Radeon HD 6990M 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 here:

    Radeon HD 6990M Laptops

    Main Specs

      Quadro CX Radeon HD 6990M
    Power consumption (TDP) 150 Watt 100 Watt
    Interface PCIe 2.0 x16 MXM-B (3.0)
    Supplementary power connectors 1x 6-pin None
    Memory type GDDR3 GDDR5
    Maximum RAM amount 1536 MB 2 GB
    Display Connectors 1x DVI, 2x DisplayPort, 1x S-Video No outputs
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    • Quadro CX has 50% more power consumption, than Radeon HD 6990M.
    • Quadro CX is connected by PCIe 2.0 x16, and Radeon HD 6990M uses MXM-B (3.0) interface.
    • Quadro CX has 1534 GB more memory, than Radeon HD 6990M.
    • Quadro CX is used in Desktops, and Radeon HD 6990M - in Laptops.
    • Quadro CX is build with Tesla 2.0 architecture, and Radeon HD 6990M - with Terascale 2.
    • Core clock speed of Radeon HD 6990M is 113 MHz higher, than Quadro CX.
    • Quadro CX is manufactured by 55 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
    • Memory clock speed of Quadro CX is 700 MHz higher, than Radeon HD 6990M.

    Game benchmarks

    high / 1080p 1−2 14−16
    ultra / 1080p 0−1 8−9
    QHD / 1440p 0−1 3−4
    low / 720p 10−12 30−33
    medium / 1080p 2−3 16−18
    The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 320% more, than Quadro CX.

    Full Specs

      Quadro CX Radeon HD 6990M
    Architecture Tesla 2.0 Terascale 2
    Code name GT200B Blackcomb XTX
    Type Workstation Laptop
    Release date 11 November 2008 12 July 2011
    Pipelines 192 1120
    Core clock speed 602 MHz 715 MHz
    Transistor count 1,400 million 1,700 million
    Manufacturing process technology 55 nm 40 nm
    Texture fill rate 38.53 40.04
    Floating-point performance 462.3 gflops 1,601.6 gflops
    Length 267 mm
    Memory bus width 384 Bit 256 Bit
    Memory clock speed 1600 MHz 900 MHz
    Memory bandwidth 76.8 GB/s 115.2 GB/s
    Shared memory -
    DirectX 11.1 (10_0) 11.2 (11_0)
    Shader Model 4.0 5.0
    OpenGL 3.3 4.4
    OpenCL 1.1 1.2
    Vulkan N/A N/A
    CUDA 1.3
    Laptop size large
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