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    Radeon HD 6990M vs Radeon RX Vega M GL 870

    When comparing Radeon HD 6990M and Radeon RX Vega M GL 870, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 6990M and Radeon RX Vega M GL 870 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Radeon HD 6990M Check Price
    Radeon RX Vega M GL 870 Check Price

    Radeon HD 6990M and Radeon RX Vega M GL 870 are Laptop Graphics Cards

    Note: Radeon HD 6990M and Radeon RX Vega M GL 870 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 RX Vega M GL 870 here:

    Radeon HD 6990M Laptops
    Radeon RX Vega M GL 870 Laptops

    Main Specs

      Radeon HD 6990M Radeon RX Vega M GL 870
    Power consumption (TDP) 100 Watt
    Interface MXM-B (3.0)
    Supplementary power connectors None
    Memory type GDDR5 HBM2
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs
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    • Radeon RX Vega M GL 870 has 2 GB more memory, than Radeon HD 6990M.
    • Both cards are used in Laptops.
    • Radeon HD 6990M is build with Terascale 2 architecture, and Radeon RX Vega M GL 870 - with Vega.
    • Core clock speed of Radeon RX Vega M GL 870 is 216 MHz higher, than Radeon HD 6990M.
    • Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon RX Vega M GL 870 - by 14 nm process technology.

    Game benchmarks

    high / 1080p 14−16 35−40
    ultra / 1080p 8−9 21−24
    QHD / 1440p 3−4 16−18
    4K / 2160p − 10−11
    low / 720p 30−33 60−65
    medium / 1080p 16−18 40−45
    The average gaming FPS of Radeon RX Vega M GL 870 in Assassin's Creed Odyssey is 140% more, than Radeon HD 6990M.

    Full Specs

      Radeon HD 6990M Radeon RX Vega M GL 870
    Architecture Terascale 2 Vega
    Code name Blackcomb XTX Vega Kaby Lake-G
    Type Laptop Laptop
    Release date 12 July 2011 7 January 2018
    Pipelines 1120 1280
    Core clock speed 715 MHz 931 MHz
    Boost Clock 1011 MHz
    Transistor count 1,700 million
    Manufacturing process technology 40 nm 14 nm
    Texture fill rate 40.04
    Floating-point performance 1,601.6 gflops
    Memory bus width 256 Bit
    Memory clock speed 900 MHz
    Memory bandwidth 115.2 GB/s
    Shared memory - -
    DirectX 11.2 (11_0) DirectX 12_1
    Shader Model 5.0
    OpenGL 4.4
    OpenCL 1.2
    Vulkan N/A
    Laptop size large medium sized
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