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    Mobility Radeon HD 4870 X2 vs Quadro K620

    Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 X2 and Quadro K620. 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 Mobility Radeon HD 4870 X2 and Quadro K620. 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.
    Mobility Radeon HD 4870 X2 Check Price
    Quadro K620 Check Price

    Mobility Radeon HD 4870 X2 is a Laptop Graphics Card

    Note: Mobility Radeon HD 4870 X2 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 Mobility Radeon HD 4870 X2 here:

    Mobility Radeon HD 4870 X2 Laptops

    Main Specs

      Mobility Radeon HD 4870 X2 Quadro K620
    Power consumption (TDP) 41 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Supplementary power connectors None
    Memory type GDDR3, GDDR5 128 Bit
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 1x DVI, 1x DisplayPort
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    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • Mobility Radeon HD 4870 X2 and Quadro K620 have maximum RAM of 2 GB.
    • Mobility Radeon HD 4870 X2 is used in Laptops, and Quadro K620 - in Desktops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Quadro K620 - with Maxwell.
    • Core clock speed of Quadro K620 is 508 MHz higher, than Mobility Radeon HD 4870 X2.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Quadro K620 - by 28 nm process technology.
    • Memory clock speed of Quadro K620 is 912 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 10−12
    ultra / 1080p 5−6 6−7
    QHD / 1440p 0−1 1−2
    low / 720p 21−24 24−27
    medium / 1080p 12−14 14−16
    The average gaming FPS of Quadro K620 in Assassin's Creed Odyssey is 16% more, than Mobility Radeon HD 4870 X2.

    Full Specs

      Mobility Radeon HD 4870 X2 Quadro K620
    Architecture Terascale 1 Maxwell
    Code name M98-XT GM107
    Type Laptop Workstation
    Release date 9 January 2009 22 July 2014
    Pipelines 1600 384
    Core clock speed 550 MHz 1058 MHz
    Boost Clock 1124 MHz
    Transistor count 956 million 1,870 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 22.00 26.98
    Floating-point performance 2x 880.0 gflops 863.2 gflops
    Length 160 mm
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 888 MHz 1800 MHz
    Memory bandwidth 89.6 GB/s
    Shared memory -
    DirectX 10.1 (10_1) 12
    Shader Model 4.1 5
    OpenGL 3.3 4.5
    OpenCL 1.1 1.2
    Vulkan N/A +
    CUDA 5.0
    Bitcoin / BTC (SHA256) 104 Mh/s
    Laptop size large
    3D Vision Pro +
    Mosaic +
    Width 1" (2.5 cm)
    Number of simultaneous displays 4
    nView Desktop Management +
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