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    Radeon HD 6990M Crossfire vs Radeon R7 M350

    In this comparison between Radeon HD 6990M Crossfire and Radeon R7 M350 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 Crossfire will be the best choice, for others Radeon R7 M350 will be their preference. Study the comparison tables below and make your choice.
    Radeon HD 6990M Crossfire Check Price
    Radeon R7 M350

    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

      Radeon HD 6990M Crossfire Radeon R7 M350
    Power consumption (TDP) 35 Watt
    Interface PCIe 3.0 x8
    Memory type GDDR5 DDR3
    Maximum RAM amount 2x2 GB 4 GB
    Display Connectors No outputs
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    • Radeon R7 M350 has 2 GB more memory, than Radeon HD 6990M Crossfire.
    • Radeon HD 6990M Crossfire is used in Laptops, and Radeon R7 M350 - in Desktops.
    • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R7 M350 - with GCN 1.0.
    • Core clock speed of Radeon R7 M350 is 10 MHz higher, than Radeon HD 6990M Crossfire.
    • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R7 M350 - by 28 nm process technology.
    • Memory clock speed of Radeon R7 M350 is 100 MHz higher, than Radeon HD 6990M Crossfire.

    Game benchmarks

    high / 1080p 35−40 2−3
    ultra / 1080p 21−24 0−1
    QHD / 1440p 16−18 0−1
    4K / 2160p 10−11 −
    low / 720p 60−65 12−14
    medium / 1080p 40−45 3−4
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 683% more, than Radeon R7 M350.

    Full Specs

      Radeon HD 6990M Crossfire Radeon R7 M350
    Architecture Terascale 2 GCN 1.0
    Code name Blackcomb XTX Opal
    Type Laptop Desktop
    Release date 12 July 2011 5 May 2015
    Pipelines 2240 384
    Core clock speed 715 MHz 725 MHz
    Boost Clock 825 MHz
    Transistor count 2x1700 Million 950 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 19.80
    Floating-point performance 779.5 gflops
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 900 MHz 1000 MHz
    Memory bandwidth 14.4 GB/s
    Shared memory -
    DirectX DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.4
    OpenCL Not Listed
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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