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    Quadro K420 vs Radeon HD 7660G plus HD 7670M Dual Graphics

    If you are going to buy a new graphics card and are choosing between Quadro K420 and Radeon HD 7660G plus HD 7670M Dual Graphics, 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 Quadro K420 stacks up against Radeon HD 7660G plus HD 7670M Dual Graphics, check out specs charts below.
    Quadro K420 Check Price
    Radeon HD 7660G plus HD 7670M Dual Graphics Check Price

    Radeon HD 7660G plus HD 7670M Dual Graphics is a Laptop Graphics Card

    Note: Radeon HD 7660G plus HD 7670M Dual Graphics 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 Radeon HD 7660G plus HD 7670M Dual Graphics here:

    Radeon HD 7660G plus HD 7670M Dual Graphics Laptops

    Main Specs

      Quadro K420 Radeon HD 7660G plus HD 7670M Dual Graphics
    Power consumption (TDP) 41 Watt
    Interface PCIe 2.0 x16
    Supplementary power connectors None
    Memory type 128 Bit DDR3,GDDR5
    Maximum RAM amount 1 GB/2 GB
    Display Connectors 1x DVI, 1x DisplayPort
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    • Quadro K420 is used in Desktops, and Radeon HD 7660G plus HD 7670M Dual Graphics - in Laptops.
    • Quadro K420 is build with Kepler architecture, and Radeon HD 7660G plus HD 7670M Dual Graphics - with Terascale 2.
    • Core clock speed of Quadro K420 is 191 MHz higher, than Radeon HD 7660G plus HD 7670M Dual Graphics.
    • Quadro K420 is manufactured by 28 nm process technology, and Radeon HD 7660G plus HD 7670M Dual Graphics - by 40 / 32 nm process technology.
    • Memory clock speed of Radeon HD 7660G plus HD 7670M Dual Graphics is 18 MHz higher, than Quadro K420.

    Game benchmarks

    high / 1080p 0−1 1−2
    ultra / 1080p 0−1 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 9−10 12−14
    medium / 1080p 1−2 3−4
    The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Assassin's Creed Odyssey is 60% more, than Quadro K420.

    Full Specs

      Quadro K420 Radeon HD 7660G plus HD 7670M Dual Graphics
    Architecture Kepler Terascale 2
    Code name GK107
    Type Workstation Laptop
    Release date 22 July 2014 15 May 2012
    Pipelines 192 862
    Core clock speed 876 MHz 685 / 600 MHz
    Transistor count 1,270 million
    Manufacturing process technology 28 nm 40 / 32 nm
    Texture fill rate 14.02
    Floating-point performance 336.4 gflops
    Length 160 mm
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 1782 MHz 1800 MHz
    Shared memory -
    DirectX 12 DirectX 11, Shader 5.0
    Shader Model 5
    OpenGL 4.5
    OpenCL 1.2
    Vulkan +
    CUDA 3.0
    Bitcoin / BTC (SHA256) 11 Mh/s
    Laptop size medium sized
    3D Vision Pro +
    Mosaic +
    Width 1" (2.5 cm)
    Number of simultaneous displays 4
    nView Desktop Management +
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