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    Radeon Pro 555X vs Radeon R8 M445DX

    If you are going to buy a new graphics card and are choosing between Radeon Pro 555X and Radeon R8 M445DX, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon Pro 555X stacks up against Radeon R8 M445DX, check out specs charts below.
    Radeon Pro 555X Check Price
    Radeon R8 M445DX Check Price

    Radeon Pro 555X and Radeon R8 M445DX are Laptop Graphics Cards

    Note: Radeon Pro 555X and Radeon R8 M445DX are only used in laptop graphics. They have 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 Pro 555X or Radeon R8 M445DX here:

    Radeon Pro 555X Laptops
    Radeon R8 M445DX Laptops

    Main Specs

      Radeon Pro 555X Radeon R8 M445DX
    Power consumption (TDP) 75 Watt
    Interface PCIe 3.0 x8 IGP
    Supplementary power connectors None
    Memory type GDDR5 DDR4/DDR3
    Maximum RAM amount 2 GB
    Display Connectors No outputs No outputs
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    • Radeon Pro 555X is connected by PCIe 3.0 x8, and Radeon R8 M445DX uses IGP interface.
    • Radeon Pro 555X is used in Mobile workstations, and Radeon R8 M445DX - in Laptops.
    • Radeon Pro 555X is build with Polaris architecture, and Radeon R8 M445DX - with GCN.
    • Core clock speed of Radeon Pro 555X is 135 MHz higher, than Radeon R8 M445DX.
    • Radeon Pro 555X is manufactured by 14 nm process technology, and Radeon R8 M445DX - by 28 nm process technology.
    • Memory clock speed of Radeon Pro 555X is 4147 MHz higher, than Radeon R8 M445DX.

    Game benchmarks

    high / 1080p 16−18 0−1
    ultra / 1080p 10−11 −
    QHD / 1440p 4−5 0−1
    4K / 2160p 4−5 −
    low / 720p 30−35 1−2
    medium / 1080p 21−24 0−1
    The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 3100% more, than Radeon R8 M445DX.

    Full Specs

      Radeon Pro 555X Radeon R8 M445DX
    Architecture Polaris GCN
    Code name Polaris 21 Meso
    Type Mobile workstation Laptop
    Release date 5 June 2017 1 June 2016
    Pipelines 768 704
    Core clock speed 855 MHz 720 / 1020 MHz
    Boost Clock 1021 MHz
    Transistor count 3,000 million 1,550 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 43.54 20.42
    Memory bus width 128 Bit 128 + 64 Bit
    Memory clock speed 5080 MHz 933 / 1000 MHz
    Memory bandwidth 81.6 GB/s
    Shared memory - -
    DirectX 12 (12_0) 12 (12_0)
    Shader Model 6.4 6.0
    OpenGL 4.6 4.6
    OpenCL 2.0 2.0
    Vulkan 1.2.131 1.2.131
    FreeSync +
    Laptop size large medium sized
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