Subscribe to our YouTube channel ×

    Iris Plus Graphics 645 vs Radeon R9 M485X

    In this comparison between Iris Plus Graphics 645 and Radeon R9 M485X 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 Iris Plus Graphics 645 will be the best choice, for others Radeon R9 M485X will be their preference. Study the comparison tables below and make your choice.
    Iris Plus Graphics 645 Check Price
    Radeon R9 M485X Check Price

    Iris Plus Graphics 645 and Radeon R9 M485X are Laptop Graphics Cards

    Note: Iris Plus Graphics 645 and Radeon R9 M485X 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 Iris Plus Graphics 645 or Radeon R9 M485X here:

    Iris Plus Graphics 645 Laptops
    Radeon R9 M485X Laptops

    Main Specs

      Iris Plus Graphics 645 Radeon R9 M485X
    Power consumption (TDP) 15 Watt 250 Watt
    Interface PCIe 3.0 x1 MXM-B (3.0)
    Supplementary power connectors None
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 8 GB MB
    Display Connectors No outputs No outputs
      Check Price Check Price
    • Radeon R9 M485X has 1566% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 M485X uses MXM-B (3.0) interface.
    • Both cards are used in Laptops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 M485X - with GCN 3.
    • Core clock speed of Radeon R9 M485X is 423 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 M485X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 4−5 24−27
    ultra / 1080p 2−3 14−16
    QHD / 1440p 0−1 10−11
    4K / 2160p − 6−7
    low / 720p 12−14 45−50
    medium / 1080p 5−6 30−35
    The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 400% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Radeon R9 M485X
    Architecture Gen. 9.5 Coffee Lake GCN 3
    Code name Kaby Lake GT3e Amethyst
    Type Laptop Laptop
    Release date 10 July 2019 14 May 2016
    Pipelines 48 2048
    Core clock speed 300 MHz 723 MHz
    Boost Clock 1150 MHz
    Transistor count 5,000 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 50.40 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 256 Bit
    Memory clock speed 5000 MHz
    Memory bandwidth 160.0 GB/s
    Shared memory + -
    DirectX 12 (12_1) 12 (12_0)
    Shader Model 6.4 6.3
    OpenGL 4.6 4.6
    OpenCL 2.1 2.0
    Vulkan 1.1.103 1.2.131
    Laptop size large
    Quick Sync +
      Check Price Check Price

    Similar compares