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    Iris Plus Graphics 645 vs Radeon HD 5670

    If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 645 and Radeon HD 5670, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Plus Graphics 645 stacks up against Radeon HD 5670, check out specs charts below.
    Iris Plus Graphics 645 Check Price
    Radeon HD 5670 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 HD 5670
    Power consumption (TDP) 15 Watt 64 Watt
    Interface PCIe 3.0 x1 PCIe 2.0 x16
    Supplementary power connectors None
    Memory type DDR3/DDR4 GDDR5
    Maximum RAM amount 1 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x VGA
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    • Radeon HD 5670 has 326% more power consumption, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon HD 5670 uses PCIe 2.0 x16 interface.
    • Iris Plus Graphics 645 is used in Laptops, and Radeon HD 5670 - in Desktops.
    • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon HD 5670 - with Terascale 2.
    • Core clock speed of Radeon HD 5670 is 475 MHz higher, than Iris Plus Graphics 645.
    • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon HD 5670 - by 40 nm process technology.

    Game benchmarks

    high / 1080p 4−5 0−1
    ultra / 1080p 2−3 −
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 1−2
    medium / 1080p 5−6 0−1
    The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 1200% more, than Radeon HD 5670.

    Full Specs

      Iris Plus Graphics 645 Radeon HD 5670
    Architecture Gen. 9.5 Coffee Lake Terascale 2
    Code name Kaby Lake GT3e Redwood
    Type Laptop Desktop
    Release date 10 July 2019 14 January 2010
    Pipelines 48 400
    Core clock speed 300 MHz 775 MHz
    Boost Clock 1150 MHz
    Transistor count 627 million
    Manufacturing process technology 14 nm 40 nm
    Texture fill rate 50.40 15.50
    Floating-point performance 620.0 gflops
    Length 168 mm
    Memory bus width 128 Bit
    Memory clock speed 1000 MHz
    Memory bandwidth 64 GB/s
    Shared memory +
    DirectX 12 (12_1) 11.2 (11_0)
    Shader Model 6.4 5.0
    OpenGL 4.6 4.4
    OpenCL 2.1 1.2
    Vulkan 1.1.103 N/A
    Quick Sync +
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