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    Quadro K620M vs Radeon HD 4770

    Find out if it is worth upgrading your current GPU setup by comparing Quadro K620M and Radeon HD 4770. 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 K620M and Radeon HD 4770. 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 K620M Check Price
    Radeon HD 4770

    Quadro K620M is a Laptop Graphics Card

    Note: Quadro K620M 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 Quadro K620M here:

    Quadro K620M Laptops

    Main Specs

      Quadro K620M Radeon HD 4770
    Power consumption (TDP) 30 Watt 80 Watt
    Interface MXM-A (3.0) PCIe 2.0 x16
    Supplementary power connectors None 1x 6-pin
    Memory type DDR3 GDDR5
    Maximum RAM amount 2 GB 512 MB
    Display Connectors No outputs 2x DVI, 1x S-Video
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    • Radeon HD 4770 has 166% more power consumption, than Quadro K620M.
    • Quadro K620M is connected by MXM-A (3.0), and Radeon HD 4770 uses PCIe 2.0 x16 interface.
    • Radeon HD 4770 has 510 GB more memory, than Quadro K620M.
    • Quadro K620M is used in Mobile workstations, and Radeon HD 4770 - in Desktops.
    • Quadro K620M is build with Maxwell architecture, and Radeon HD 4770 - with TeraScale.
    • Core clock speed of Quadro K620M is 279 MHz higher, than Radeon HD 4770.
    • Quadro K620M is manufactured by 28 nm process technology, and Radeon HD 4770 - by 40 nm process technology.
    • Memory clock speed of Radeon HD 4770 is 1200 MHz higher, than Quadro K620M.

    Game benchmarks

    high / 1080p 3−4 1−2
    ultra / 1080p 1−2 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 10−12
    medium / 1080p 5−6 2−3
    The average gaming FPS of Quadro K620M in Assassin's Creed Odyssey is 60% more, than Radeon HD 4770.

    Full Specs

      Quadro K620M Radeon HD 4770
    Architecture Maxwell TeraScale
    Code name GM108 RV740
    Type Mobile workstation Desktop
    Release date 1 March 2015 28 April 2009
    Pipelines 384 640
    Core clock speed 1029 MHz 750 MHz
    Boost Clock 1124 MHz
    Transistor count 826 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 17.98 24.00
    Floating-point performance 863.2 gflops 960.0 gflops
    Length 203 mm
    Memory bus width 64 Bit 128 Bit
    Memory clock speed 2000 MHz 3200 MHz
    Memory bandwidth 14.4 GB/s 51.2 GB/s
    Shared memory -
    DirectX 12 10.1 (10_1)
    Shader Model 5 4.1
    OpenGL 4.5 3.3
    OpenCL 1.2 1.1
    Vulkan 1.1.126 N/A
    CUDA +
    Bitcoin / BTC (SHA256) 92 Mh/s
    Optimus +
    Display Port 1.2
    nView Display Management +
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