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    Mobility Radeon HD 5870 vs Quadro K620M

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 5870 and Quadro K620M, 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 Mobility Radeon HD 5870 stacks up against Quadro K620M, check out specs charts below.
    Mobility Radeon HD 5870 Check Price
    Quadro K620M Check Price

    Mobility Radeon HD 5870 and Quadro K620M are Laptop Graphics Cards

    Note: Mobility Radeon HD 5870 and Quadro K620M 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 Mobility Radeon HD 5870 or Quadro K620M here:

    Mobility Radeon HD 5870 Laptops
    Quadro K620M Laptops

    Main Specs

      Mobility Radeon HD 5870 Quadro K620M
    Power consumption (TDP) 50 Watt 30 Watt
    Interface MXM-B (3.0) MXM-A (3.0)
    Supplementary power connectors None
    Memory type DDR3, GDDR3, GDDR5 DDR3
    Maximum RAM amount 1 GB 2 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 5870 has 66% more power consumption, than Quadro K620M.
    • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Quadro K620M uses MXM-A (3.0) interface.
    • Quadro K620M has 1 GB more memory, than Mobility Radeon HD 5870.
    • Mobility Radeon HD 5870 is used in Laptops, and Quadro K620M - in Mobile workstations.
    • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Quadro K620M - with Maxwell.
    • Core clock speed of Quadro K620M is 329 MHz higher, than Mobility Radeon HD 5870.
    • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Quadro K620M - by 28 nm process technology.
    • Memory clock speed of Quadro K620M is 1000 MHz higher, than Mobility Radeon HD 5870.

    Game benchmarks

    high / 1080p 10−11 3−4
    ultra / 1080p 6−7 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 14−16
    medium / 1080p 12−14 5−6
    The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 116% more, than Quadro K620M.

    Full Specs

      Mobility Radeon HD 5870 Quadro K620M
    Architecture Terascale 2 Maxwell
    Code name Broadway-XT GM108
    Type Laptop Mobile workstation
    Release date 7 January 2010 1 March 2015
    Pipelines 800 384
    Core clock speed 700 MHz 1029 MHz
    Boost Clock 1124 MHz
    Transistor count 1,040 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 28.00 17.98
    Floating-point performance 1,120.0 gflops 863.2 gflops
    Memory bus width 128 Bit 64 Bit
    Memory clock speed 1000 MHz 2000 MHz
    Memory bandwidth 64 GB/s 14.4 GB/s
    Shared memory - -
    DirectX 11.2 (11_0) 12
    Shader Model 5.0 5
    OpenGL 4.4 4.5
    OpenCL 1.2 1.2
    Vulkan N/A 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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