Subscribe to our YouTube channel ×

    Iris Plus Graphics 645 vs Radeon RX 550X

    Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon RX 550X. 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 645 and Radeon RX 550X. 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 645 Check Price
    Radeon RX 550X

    Iris Plus Graphics 645 is a Laptop Graphics Card

    Note: Iris Plus Graphics 645 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 645 here:

    Iris Plus Graphics 645 Laptops

    Main Specs

      Iris Plus Graphics 645 Radeon RX 550X
    Power consumption (TDP) 15 Watt 50 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 4 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
      Check Price
    • Radeon RX 550X has 233% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon RX 550X uses PCIe 3.0 x8 interface.
    • Iris Plus Graphics 645 is used in Laptops, and Radeon RX 550X - in Desktops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon RX 550X - with GCN 4.0.
    • Core clock speed of Radeon RX 550X is 800 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 and Radeon RX 550X are manufactured by 14 nm process technology.

    Game benchmarks

    high / 1080p 4−5 10−11
    ultra / 1080p 2−3 6−7
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 21−24
    medium / 1080p 5−6 12−14
    The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 116% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Radeon RX 550X
    Architecture Gen. 9.5 Coffee Lake GCN 4.0
    Code name Kaby Lake GT3e Lexa
    Type Laptop Desktop
    Release date 10 July 2019 16 December 2018
    Pipelines 48 512
    Core clock speed 300 MHz 1100 MHz
    Boost Clock 1150 MHz 1183 MHz
    Transistor count 2,200 million
    Manufacturing process technology 14 nm 14 nm
    Texture fill rate 50.40 37.86
    Floating-point performance 1,211 gflops
    Length 145 mm
    Memory bus width 128 Bit
    Memory clock speed 6000 MHz
    Memory bandwidth 96 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 +
      Check Price

    Similar compares