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    Iris Plus Graphics 645 vs Radeon R7 250X

    Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon R7 250X. 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 R7 250X. 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 R7 250X 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 R7 250X
    Power consumption (TDP) 15 Watt 80 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 1x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Radeon R7 250X has 433% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R7 250X uses PCIe 3.0 x16 interface.
    • Iris Plus Graphics 645 is used in Laptops, and Radeon R7 250X - in Desktops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R7 250X - with GCN 1.0.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R7 250X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 4−5 10−12
    ultra / 1080p 2−3 6−7
    QHD / 1440p 0−1 1−2
    low / 720p 12−14 24−27
    medium / 1080p 5−6 14−16
    The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 133% more, than Iris Plus Graphics 645.

    Full Specs

      Iris Plus Graphics 645 Radeon R7 250X
    Architecture Gen. 9.5 Coffee Lake GCN 1.0
    Code name Kaby Lake GT3e Cape Verde
    Type Laptop Desktop
    Release date 10 July 2019 13 February 2014
    Pipelines 48 640
    Core clock speed 300 MHz
    Boost Clock 1150 MHz 1000 MHz
    Transistor count 1,500 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 50.40 38.00
    Floating-point performance 1,216 gflops
    Length 210 mm
    Memory bus width 128 Bit
    Memory clock speed 1625 MHz
    Memory bandwidth 96 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) 152 Mh/s
    Eyefinity +
    Design reference
    CrossFire +
    DDMA audio +
    Quick Sync +
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