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    Quadro P620 vs Radeon HD 7770M

    In this comparison between Quadro P620 and Radeon HD 7770M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Quadro P620 will be the best choice, for others Radeon HD 7770M will be their preference. Study the comparison tables below and make your choice.
    Quadro P620 Check Price
    Radeon HD 7770M Check Price

    Radeon HD 7770M is a Laptop Graphics Card

    Note: Radeon HD 7770M 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 HD 7770M here:

    Radeon HD 7770M Laptops

    Main Specs

      Quadro P620 Radeon HD 7770M
    Power consumption (TDP) 40 Watt 32 Watt
    Interface PCIe 3.0 x16 PCIe 2.0 x16
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 1 GB
    Display Connectors 4x mini-DisplayPort No outputs
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    • Quadro P620 has 25% more power consumption, than Radeon HD 7770M.
    • Quadro P620 is connected by PCIe 3.0 x16, and Radeon HD 7770M uses PCIe 2.0 x16 interface.
    • Quadro P620 has 3 GB more memory, than Radeon HD 7770M.
    • Quadro P620 is used in Desktops, and Radeon HD 7770M - in Laptops.
    • Quadro P620 is build with Pascal architecture, and Radeon HD 7770M - with GCN.
    • Core clock speed of Quadro P620 is 502 MHz higher, than Radeon HD 7770M.
    • Quadro P620 is manufactured by 14 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
    • Memory clock speed of Quadro P620 is 2000 MHz higher, than Radeon HD 7770M.

    Game benchmarks

    high / 1080p 18−20 9−10
    ultra / 1080p 10−12 5−6
    QHD / 1440p 5−6 0−1
    4K / 2160p 4−5 −
    low / 720p 35−40 21−24
    medium / 1080p 21−24 10−12
    The average gaming FPS of Quadro P620 in Assassin's Creed Odyssey is 83% more, than Radeon HD 7770M.

    Full Specs

      Quadro P620 Radeon HD 7770M
    Architecture Pascal GCN
    Code name GP107 Chelsea XT
    Type Workstation Laptop
    Release date 27 May 2019 24 April 2012
    Pipelines 512 512
    Core clock speed 1177 MHz 675 MHz
    Boost Clock 1442 MHz
    Transistor count 3,300 million 1,500 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 43.33 21.60
    Floating-point performance 1,490 gflops 691.2 gflops
    Length 145 mm
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 6000 MHz 4000 MHz
    Memory bandwidth 80.13 GB/s 64 GB/s
    Shared memory - -
    DirectX 12 (12_1) 12 (11_1)
    Shader Model 6.4 5.1
    OpenGL 4.6 4.6
    OpenCL 1.2 1.2
    Vulkan 1.2.131 1.2.131
    CUDA 6.1
    Laptop size medium sized
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