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    Radeon HD 6990M vs Radeon R8 M445DX

    Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990M and Radeon R8 M445DX. 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 Radeon HD 6990M and Radeon R8 M445DX. 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.
    Radeon HD 6990M Check Price
    Radeon R8 M445DX Check Price

    Radeon HD 6990M and Radeon R8 M445DX are Laptop Graphics Cards

    Note: Radeon HD 6990M and Radeon R8 M445DX are only used in laptop graphics. They have 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 or Radeon R8 M445DX here:

    Radeon HD 6990M Laptops
    Radeon R8 M445DX Laptops

    Main Specs

      Radeon HD 6990M Radeon R8 M445DX
    Power consumption (TDP) 100 Watt
    Interface MXM-B (3.0) IGP
    Supplementary power connectors None
    Memory type GDDR5 DDR4/DDR3
    Maximum RAM amount 2 GB
    Display Connectors No outputs No outputs
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    • Radeon HD 6990M is connected by MXM-B (3.0), and Radeon R8 M445DX uses IGP interface.
    • Both cards are used in Laptops.
    • Radeon HD 6990M is build with Terascale 2 architecture, and Radeon R8 M445DX - with GCN.
    • Core clock speed of Radeon R8 M445DX is 5 MHz higher, than Radeon HD 6990M.
    • Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon R8 M445DX - by 28 nm process technology.
    • Memory clock speed of Radeon R8 M445DX is 33 MHz higher, than Radeon HD 6990M.

    Game benchmarks

    high / 1080p 14−16 0−1
    ultra / 1080p 8−9 −
    QHD / 1440p 3−4 0−1
    low / 720p 30−33 1−2
    medium / 1080p 16−18 0−1
    The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 3000% more, than Radeon R8 M445DX.

    Full Specs

      Radeon HD 6990M Radeon R8 M445DX
    Architecture Terascale 2 GCN
    Code name Blackcomb XTX Meso
    Type Laptop Laptop
    Release date 12 July 2011 1 June 2016
    Pipelines 1120 704
    Core clock speed 715 MHz 720 / 1020 MHz
    Boost Clock 1021 MHz
    Transistor count 1,700 million 1,550 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 40.04 20.42
    Floating-point performance 1,601.6 gflops
    Memory bus width 256 Bit 128 + 64 Bit
    Memory clock speed 900 MHz 933 / 1000 MHz
    Memory bandwidth 115.2 GB/s
    Shared memory - -
    DirectX 11.2 (11_0) 12 (12_0)
    Shader Model 5.0 6.0
    OpenGL 4.4 4.6
    OpenCL 1.2 2.0
    Vulkan N/A 1.2.131
    Laptop size large medium sized
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