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    Quadro K620 vs Radeon R7 M340

    When comparing Quadro K620 and Radeon R7 M340, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Quadro K620 and Radeon R7 M340 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Quadro K620 Check Price
    Radeon R7 M340 Check Price

    Radeon R7 M340 is a Laptop Graphics Card

    Note: Radeon R7 M340 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 R7 M340 here:

    Radeon R7 M340 Laptops

    Main Specs

      Quadro K620 Radeon R7 M340
    Power consumption (TDP) 41 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors None None
    Memory type 128 Bit DDR3
    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 R7 M340 uses PCIe 3.0 x8 interface.
    • Radeon R7 M340 has 2 GB more memory, than Quadro K620.
    • Quadro K620 is used in Desktops, and Radeon R7 M340 - in Laptops.
    • Quadro K620 is build with Maxwell architecture, and Radeon R7 M340 - with GCN.
    • Core clock speed of Quadro K620 is 37 MHz higher, than Radeon R7 M340.
    • Quadro K620 and Radeon R7 M340 are manufactured by 28 nm process technology.
    • Memory clock speed of Quadro K620 is 800 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 10−12 0−1
    ultra / 1080p 6−7 −
    QHD / 1440p 1−2 0−1
    low / 720p 24−27 1−2
    medium / 1080p 14−16 0−1
    The average gaming FPS of Quadro K620 in Assassin's Creed Odyssey is 2400% more, than Radeon R7 M340.

    Full Specs

      Quadro K620 Radeon R7 M340
    Architecture Maxwell GCN
    Code name GM107 Meso Pro DDR3
    Type Workstation Laptop
    Release date 22 July 2014 16 June 2015
    Pipelines 384 320
    Core clock speed 1058 MHz 1021 MHz
    Boost Clock 1124 MHz 1021 MHz
    Transistor count 1,870 million 950 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 26.98 17.16
    Floating-point performance 863.2 gflops 549.1 gflops
    Length 160 mm
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 1800 MHz 1000 MHz
    Memory bandwidth 16 GB/s
    Shared memory -
    DirectX 12
    Shader Model 5 5.1
    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 74 Mh/s
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
    3D Vision Pro +
    Mosaic +
    Width 1" (2.5 cm)
    Number of simultaneous displays 4
    nView Desktop Management +
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