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    Quadro K620 vs Radeon R9 M385X

    Find out if it is worth upgrading your current GPU setup by comparing Quadro K620 and Radeon R9 M385X. 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 K620 and Radeon R9 M385X. 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 K620 Check Price
    Radeon R9 M385X Check Price

    Radeon R9 M385X is a Laptop Graphics Card

    Note: Radeon R9 M385X 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 R9 M385X here:

    Radeon R9 M385X Laptops

    Main Specs

      Quadro K620 Radeon R9 M385X
    Power consumption (TDP) 41 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type 128 Bit GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors 1x DVI, 1x DisplayPort No outputs
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    • Quadro K620 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
    • Radeon R9 M385X has 2 GB more memory, than Quadro K620.
    • Quadro K620 is used in Desktops, and Radeon R9 M385X - in Laptops.
    • Quadro K620 is build with Maxwell architecture, and Radeon R9 M385X - with GCN.
    • Core clock speed of Radeon R9 M385X is 42 MHz higher, than Quadro K620.
    • Quadro K620 and Radeon R9 M385X are manufactured by 28 nm process technology.
    • Memory clock speed of Quadro K620 is 300 MHz higher, than Radeon R9 M385X.

    Game benchmarks

    high / 1080p 10−12 8−9
    ultra / 1080p 6−7 5−6
    QHD / 1440p 1−2 0−1
    low / 720p 24−27 18−20
    medium / 1080p 14−16 10−11
    The average gaming FPS of Quadro K620 in Assassin's Creed Odyssey is 40% more, than Radeon R9 M385X.

    Full Specs

      Quadro K620 Radeon R9 M385X
    Architecture Maxwell GCN
    Code name GM107 Strato-XT-M3
    Type Workstation Laptop
    Release date 22 July 2014 16 June 2015
    Pipelines 384 896
    Core clock speed 1058 MHz 1100 MHz
    Boost Clock 1124 MHz 1100 MHz
    Transistor count 1,870 million 2,080 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 26.98 61.60
    Floating-point performance 863.2 gflops 1,971 gflops
    Length 160 mm
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 1800 MHz 1500 MHz
    Memory bandwidth 76.8 GB/s
    Shared memory -
    DirectX 12
    Shader Model 5 6.3
    OpenGL 4.5 4.4
    OpenCL 1.2 Not Listed
    Vulkan +
    CUDA 5.0
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 104 Mh/s
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    3D Vision Pro +
    Mosaic +
    Width 1" (2.5 cm)
    Number of simultaneous displays 4
    nView Desktop Management +
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