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    GeForce GTX 850A vs Radeon HD 6990M Crossfire

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 850A and Radeon HD 6990M Crossfire. 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 GeForce GTX 850A and Radeon HD 6990M Crossfire. 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.
    GeForce GTX 850A
    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

      GeForce GTX 850A Radeon HD 6990M Crossfire
    Power consumption (TDP) 45 Watt
    Interface PCIe 3.0 x16
    Memory type DDR3 GDDR5
    Maximum RAM amount 2 GB 2x2 GB
    Display Connectors No outputs
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    • GeForce GTX 850A and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
    • GeForce GTX 850A is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
    • GeForce GTX 850A is build with Maxwell architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
    • Core clock speed of GeForce GTX 850A is 187 MHz higher, than Radeon HD 6990M Crossfire.
    • GeForce GTX 850A is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
    • Memory clock speed of GeForce GTX 850A is 900 MHz higher, than Radeon HD 6990M Crossfire.

    Game benchmarks

    high / 1080p 1−2 35−40
    ultra / 1080p 0−1 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 12−14 60−65
    medium / 1080p 3−4 40−45
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 683% more, than GeForce GTX 850A.

    Full Specs

      GeForce GTX 850A Radeon HD 6990M Crossfire
    Architecture Maxwell Terascale 2
    Code name GM107 Blackcomb XTX
    Type Desktop Laptop
    Release date 17 March 2014 12 July 2011
    Pipelines 640 2240
    Core clock speed 902 MHz 715 MHz
    Boost Clock 936 MHz
    Transistor count 1,870 million 2x1700 Million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 37.44
    Floating-point performance 1,198 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 1800 MHz 900 MHz
    Memory bandwidth 28.8 GB/s
    Shared memory -
    DirectX 12 (11_0) DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.6
    OpenCL 1.2
    Vulkan 1.1.126
    CUDA 5.0
    Laptop size large
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