Amazon's homegrown 2.3GHz 64-bit Graviton processor was very nearly an AMD Arm CPU

A little bit of history and a little more info on customized SoC

re:Invent  Amazon Web Services' customized Graviton processor, revealed this week, was very nearly an Arm-based chip from AMD, The Register has learned.…

via The Register - Data Centre: Cloud
http://go.theregister.com/feed/www.theregister.co.uk/2018/11/27/amazon_aws_graviton_specs/