• Yokemate of Keyboards
    Yokemate of Keyboards
    Andreas_Wolf
    Posts: 12098 from 2003/5/22
    From: Germany
    > I believe Qualcomm usually do their own from scratch but they are being quite
    > public about this one:
    > http://semiaccurate.com/2017/01/03/qualcomm-opens-bit-10nm-snapdragon-835-soc/
    > It's also mentioned in a Microprocessor report who are usually a rather more
    > reliable source.

    I wasn't aware of this, so thanks for the link.

    According to the Microprocessor Report authors, the original Kryo core as used in the Snapdragon 820 and 821 is a from-scratch design, whereas the new Kryo 280 core as used in the Snapdragon 835 has been derived from the Cortex-A73:

    http://www.linleygroup.com/newsletters/newsletter_detail.php?num=5647

    > Using an ARM core as a basis for a custom design isn't entirely unusual,
    > but companies don't usually make this public.

    From the above link:

    "Qualcomm cut a unique deal allowing it to modify and rebrand ARM CPUs."

    [ Edited by Andreas_Wolf 19.01.2017 - 23:02 ]
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