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    Iris Plus Graphics 645 vs Quadro CX

    Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Quadro CX. 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 Quadro CX. 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
    Quadro CX

    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 Quadro CX
    Power consumption (TDP) 15 Watt 150 Watt
    Interface PCIe 3.0 x1 PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type DDR3/DDR4 GDDR3
    Maximum RAM amount 1536 MB
    Display Connectors No outputs 1x DVI, 2x DisplayPort, 1x S-Video
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    • Quadro CX has 900% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Quadro CX uses PCIe 2.0 x16 interface.
    • Iris Plus Graphics 645 is used in Laptops, and Quadro CX - in Desktops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Quadro CX - with Tesla 2.0.
    • Core clock speed of Quadro CX is 302 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Quadro CX - by 55 nm process technology.

    Game benchmarks

    high / 1080p 4−5 1−2
    ultra / 1080p 2−3 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 10−12
    medium / 1080p 5−6 2−3
    The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 40% more, than Quadro CX.

    Full Specs

      Iris Plus Graphics 645 Quadro CX
    Architecture Gen. 9.5 Coffee Lake Tesla 2.0
    Code name Kaby Lake GT3e GT200B
    Type Laptop Workstation
    Release date 10 July 2019 11 November 2008
    Pipelines 48 192
    Core clock speed 300 MHz 602 MHz
    Boost Clock 1150 MHz
    Transistor count 1,400 million
    Manufacturing process technology 14 nm 55 nm
    Texture fill rate 50.40 38.53
    Floating-point performance 462.3 gflops
    Length 267 mm
    Memory bus width 384 Bit
    Memory clock speed 1600 MHz
    Memory bandwidth 76.8 GB/s
    Shared memory +
    DirectX 12 (12_1) 11.1 (10_0)
    Shader Model 6.4 4.0
    OpenGL 4.6 3.3
    OpenCL 2.1 1.1
    Vulkan 1.1.103 N/A
    CUDA 1.3
    Quick Sync +
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