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    Radeon HD 6990M vs Radeon R9 M295X

    In this comparison between Radeon HD 6990M and Radeon R9 M295X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 6990M will be the best choice, for others Radeon R9 M295X will be their preference. Study the comparison tables below and make your choice.
    Radeon HD 6990M Check Price
    Radeon R9 M295X Check Price

    Radeon HD 6990M and Radeon R9 M295X are Laptop Graphics Cards

    Note: Radeon HD 6990M and Radeon R9 M295X 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 R9 M295X here:

    Radeon HD 6990M Laptops
    Radeon R9 M295X Laptops

    Main Specs

      Radeon HD 6990M Radeon R9 M295X
    Power consumption (TDP) 100 Watt 250 Watt
    Interface MXM-B (3.0) MXM-B (3.0)
    Supplementary power connectors None None
    Memory type GDDR5 Not Listed
    Maximum RAM amount 2 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M295X has 150% more power consumption, than Radeon HD 6990M.
    • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
    • Both cards are used in Laptops.
    • Radeon HD 6990M is build with Terascale 2 architecture, and Radeon R9 M295X - with GCN 3.
    • Core clock speed of Radeon R9 M295X is 8 MHz higher, than Radeon HD 6990M.
    • Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon R9 M295X - by 28 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 R9 M295X in Assassin's Creed Odyssey is 140% more, than Radeon HD 6990M.

    Full Specs

      Radeon HD 6990M Radeon R9 M295X
    Architecture Terascale 2 GCN 3
    Code name Blackcomb XTX Tonga
    Type Laptop Laptop
    Release date 12 July 2011 16 October 2014
    Pipelines 1120 2048
    Core clock speed 715 MHz 723 MHz
    Transistor count 1,700 million 5,000 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 40.04 92.54
    Floating-point performance 1,601.6 gflops 2,961 gflops
    Memory bus width 256 Bit
    Memory clock speed 900 MHz
    Memory bandwidth 115.2 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 11.2 (11_0) Not Listed
    Shader Model 5.0 6.3
    OpenGL 4.4 4.4
    OpenCL 1.2 Not Listed
    Vulkan N/A
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 392 Mh/s
    Laptop size large large
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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