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    Iris Plus Graphics 655 vs Radeon Pro 580X

    Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 655 and Radeon Pro 580X. 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 Iris Plus Graphics 655 and Radeon Pro 580X. 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.
    Iris Plus Graphics 655 Check Price
    Radeon Pro 580X

    Iris Plus Graphics 655 is a Laptop Graphics Card

    Note: Iris Plus Graphics 655 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 Iris Plus Graphics 655 here:

    Iris Plus Graphics 655 Laptops

    Main Specs

      Iris Plus Graphics 655 Radeon Pro 580X
    Power consumption (TDP) 15 Watt 150 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 8 GB
    Display Connectors No outputs No outputs
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    • Radeon Pro 580X has 900% more power consumption, than Iris Plus Graphics 655.
    • Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon Pro 580X uses PCIe 3.0 x16 interface.
    • Iris Plus Graphics 655 is used in Laptops, and Radeon Pro 580X - in Desktops.
    • Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon Pro 580X - with GCN 4.0.
    • Core clock speed of Radeon Pro 580X is 800 MHz higher, than Iris Plus Graphics 655.
    • Iris Plus Graphics 655 and Radeon Pro 580X are manufactured by 14 nm process technology.

    Game benchmarks

    high / 1080p 12−14 35−40
    ultra / 1080p 7−8 24−27
    QHD / 1440p 2−3 18−20
    4K / 2160p − 10−12
    low / 720p 27−30 60−65
    medium / 1080p 16−18 45−50
    The average gaming FPS of Radeon Pro 580X in Assassin's Creed Odyssey is 192% more, than Iris Plus Graphics 655.

    Full Specs

      Iris Plus Graphics 655 Radeon Pro 580X
    Architecture Gen. 9.5 Kaby Lake GCN 4.0
    Code name Kaby Lake GT3e Polaris 20
    Type Laptop Workstation
    Release date 1 September 2017 18 March 2019
    Pipelines 48 2304
    Core clock speed 300 MHz 1100 MHz
    Boost Clock 1200 MHz 1200 MHz
    Transistor count 189 million 5,700 million
    Manufacturing process technology 14 nm 14 nm
    Texture fill rate 50.40 172.8
    Memory bus width 256 Bit
    Memory clock speed 6780 MHz
    Memory bandwidth 217.0 GB/s
    Shared memory +
    DirectX 12 (12_1) 12 (12_0)
    Shader Model 6.4 6.4
    OpenGL 4.6 4.6
    OpenCL 2.1 2.0
    Vulkan 1.1.103 1.2.131
    Quick Sync +
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