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    Iris Plus Graphics 645 vs Radeon R9 270

    Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon R9 270. 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 R9 270. 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 R9 270 Check Price

    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 R9 270
    Power consumption (TDP) 15 Watt 150 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x16
    Supplementary power connectors 1 x 6-pin
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 2 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 270 has 900% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 270 uses PCIe 3.0 x16 interface.
    • Iris Plus Graphics 645 is used in Laptops, and Radeon R9 270 - in Desktops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 270 - with GCN 1.0.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 270 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 4−5 21−24
    ultra / 1080p 2−3 12−14
    QHD / 1440p 0−1 7−8
    4K / 2160p − 5−6
    low / 720p 12−14 40−45
    medium / 1080p 5−6 27−30
    The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 333% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Radeon R9 270
    Architecture Gen. 9.5 Coffee Lake GCN 1.0
    Code name Kaby Lake GT3e Curacao
    Type Laptop Desktop
    Release date 10 July 2019 13 November 2013
    Pipelines 48 1280
    Core clock speed 300 MHz
    Boost Clock 1150 MHz 925 MHz
    Transistor count 2,800 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 50.40 74.00
    Floating-point performance 2,368 gflops
    Length 210 mm
    Memory bus width 256 Bit
    Memory bandwidth 179.2 GB/s
    Shared memory +
    DirectX 12 (12_1)
    Shader Model 6.4 5.1
    OpenGL 4.6 4.6
    OpenCL 2.1 1.2
    Vulkan 1.1.103 +
    FreeSync +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 293 Mh/s
    Eyefinity +
    HD3D +
    TrueAudio +
    Design reference
    DisplayPort support +
    CrossFire +
    DDMA audio +
    Ethereum / ETH (DaggerHashimoto) 16 Mh/s
    Quick Sync +
    LiquidVR +
    TressFX +
    UVD +
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