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    Quadro K620M vs Radeon HD 7970M Crossfire

    Find out if it is worth upgrading your current GPU setup by comparing Quadro K620M and Radeon HD 7970M Crossfire. 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 Quadro K620M and Radeon HD 7970M Crossfire. 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.
    Quadro K620M Check Price
    Radeon HD 7970M Crossfire Check Price

    Quadro K620M and Radeon HD 7970M Crossfire are Laptop Graphics Cards

    Note: Quadro K620M and Radeon HD 7970M Crossfire 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 Quadro K620M or Radeon HD 7970M Crossfire here:

    Quadro K620M Laptops
    Radeon HD 7970M Crossfire Laptops

    Main Specs

      Quadro K620M Radeon HD 7970M Crossfire
    Power consumption (TDP) 30 Watt 200 Watt
    Interface MXM-A (3.0)
    Supplementary power connectors None
    Memory type DDR3 GDDR5
    Maximum RAM amount 2 GB
    Display Connectors No outputs
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    • Radeon HD 7970M Crossfire has 566% more power consumption, than Quadro K620M.
    • Quadro K620M is used in Mobile workstations, and Radeon HD 7970M Crossfire - in Laptops.
    • Quadro K620M is build with Maxwell architecture, and Radeon HD 7970M Crossfire - with GCN.
    • Core clock speed of Quadro K620M is 179 MHz higher, than Radeon HD 7970M Crossfire.
    • Quadro K620M and Radeon HD 7970M Crossfire are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon HD 7970M Crossfire is 2800 MHz higher, than Quadro K620M.

    Game benchmarks

    high / 1080p 3−4 35−40
    ultra / 1080p 1−2 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 14−16 60−65
    medium / 1080p 5−6 40−45
    The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 583% more, than Quadro K620M.

    Full Specs

      Quadro K620M Radeon HD 7970M Crossfire
    Architecture Maxwell GCN
    Code name GM108 Wimbledon XT
    Type Mobile workstation Laptop
    Release date 1 March 2015 1 May 2012
    Pipelines 384 2560
    Core clock speed 1029 MHz 850 MHz
    Boost Clock 1124 MHz
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.98
    Floating-point performance 863.2 gflops
    Memory bus width 64 Bit 2x 256 Bit
    Memory clock speed 2000 MHz 4800 MHz
    Memory bandwidth 14.4 GB/s
    Shared memory - -
    DirectX 12 DirectX 11.1, Shader 5.0
    Shader Model 5
    OpenGL 4.5
    OpenCL 1.2
    Vulkan 1.1.126
    CUDA +
    Bitcoin / BTC (SHA256) 92 Mh/s
    Laptop size large
    Optimus +
    Display Port 1.2
    nView Display Management +
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