Subscribe to our YouTube channel ×

    Radeon HD 6990M Crossfire vs Radeon R7 250

    If you are going to buy a new graphics card and are choosing between Radeon HD 6990M Crossfire and Radeon R7 250, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 6990M Crossfire stacks up against Radeon R7 250, check out specs charts below.
    Radeon HD 6990M Crossfire Check Price
    Radeon R7 250 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

      Radeon HD 6990M Crossfire Radeon R7 250
    Power consumption (TDP) 75 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors N/A
    Memory type GDDR5 DDR3, GDDR5
    Maximum RAM amount 2x2 GB 2 GB
    Display Connectors 1x DVI, 1x HDMI, 1x VGA
      Check Price Check Price
    • Radeon HD 6990M Crossfire and Radeon R7 250 have maximum RAM of 2 GB.
    • Radeon HD 6990M Crossfire is used in Laptops, and Radeon R7 250 - in Desktops.
    • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R7 250 - with GCN.
    • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R7 250 - by 28 nm process technology.
    • Memory clock speed of Radeon R7 250 is 250 MHz higher, than Radeon HD 6990M Crossfire.

    Game benchmarks

    high / 1080p 35−40 3−4
    ultra / 1080p 21−24 1−2
    QHD / 1440p 16−18 0−1
    4K / 2160p 10−11 −
    low / 720p 60−65 14−16
    medium / 1080p 40−45 5−6
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than Radeon R7 250.

    Full Specs

      Radeon HD 6990M Crossfire Radeon R7 250
    Architecture Terascale 2 GCN
    Code name Blackcomb XTX Oland XT
    Type Laptop Desktop
    Release date 12 July 2011 1 October 2013
    Pipelines 2240 384
    Core clock speed 715 MHz
    Boost Clock 1050 MHz
    Transistor count 2x1700 Million 950 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 25.20
    Floating-point performance 716.8 gflops
    Length 168 mm
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 900 MHz 1150 MHz
    Memory bandwidth 72 GB/s
    Shared memory - -
    DirectX DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.6
    OpenCL 1.2
    FreeSync +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 117 Mh/s
    Laptop size large
    Design reference
    CrossFire +
    DDMA audio +
    Ethereum / ETH (DaggerHashimoto) 3 Mh/s
    AppAcceleration +
      Check Price Check Price

    Similar compares