Regarding 86x market share:
http://www.pcadvisor.co.uk/feature/pc-components/amd-vs-intel-3528212/
But there is no source for this number. It might be an older number
Older numbers about share in different segments
http://www.forbes.com/sites/rogerkay/2014/11/25/intel-and-amd-the-juggernaut-vs-the-squid/
These numbers are old, and the reality is even worse because in terms of ASP and margins AMD is way behind Intel. But in terms of volumes they are hoovering around 10%, consoles included.