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    Quadro K620M vs Radeon 520

    If you are going to buy a new graphics card and are choosing between Quadro K620M and Radeon 520, 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 Quadro K620M stacks up against Radeon 520, check out specs charts below.
    Quadro K620M Check Price
    Radeon 520 Check Price

    Quadro K620M and Radeon 520 are Laptop Graphics Cards

    Note: Quadro K620M and Radeon 520 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 520 here:

    Quadro K620M Laptops
    Radeon 520 Laptops

    Main Specs

      Quadro K620M Radeon 520
    Power consumption (TDP) 30 Watt 50 Watt
    Interface MXM-A (3.0) PCIe 3.0 x8
    Supplementary power connectors None None
    Memory type DDR3 DDR3, GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x VGA
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    • Radeon 520 has 66% more power consumption, than Quadro K620M.
    • Quadro K620M is connected by MXM-A (3.0), and Radeon 520 uses PCIe 3.0 x8 interface.
    • Quadro K620M and Radeon 520 have maximum RAM of 2 GB.
    • Quadro K620M is used in Mobile workstations, and Radeon 520 - in Laptops.
    • Quadro K620M is build with Maxwell architecture, and Radeon 520 - with GCN 1.0.
    • Core clock speed of Radeon 520 is 1 MHz higher, than Quadro K620M.
    • Quadro K620M and Radeon 520 are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon 520 is 250 MHz higher, than Quadro K620M.

    Game benchmarks

    high / 1080p 3−4 0−1
    ultra / 1080p 1−2 −
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 1−2
    medium / 1080p 5−6 0−1
    The average gaming FPS of Quadro K620M in Assassin's Creed Odyssey is 1400% more, than Radeon 520.

    Full Specs

      Quadro K620M Radeon 520
    Architecture Maxwell GCN 1.0
    Code name GM108 Oland
    Type Mobile workstation Laptop
    Release date 1 March 2015 21 March 2017
    Pipelines 384 320
    Core clock speed 1029 MHz 1030 MHz
    Boost Clock 1124 MHz
    Transistor count 1,040 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.98 20.60
    Floating-point performance 863.2 gflops 659.2 gflops
    Memory bus width 64 Bit 64 Bit
    Memory clock speed 2000 MHz 2250 MHz
    Memory bandwidth 14.4 GB/s 16 GB/s
    Shared memory - -
    DirectX 12 12.0
    Shader Model 5 5.0
    OpenGL 4.5 4.6
    OpenCL 1.2 1.2
    Vulkan 1.1.126 +
    CUDA +
    Bitcoin / BTC (SHA256) 92 Mh/s
    Optimus +
    Display Port 1.2
    nView Display Management +
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