Update:

>>> in terms of 64-bit ARMv8 (AArch64) cores, there is announced so far:
>>> - Cortex-A53, Cortex-A57 and Cortex A-72 from ARM Ltd.
>>> - Denver from nVidia
>>> - X-Gene from Applied Micro
>>> - Thunder from Cavium
>>> - Cyclone and Typhoon from Apple

>> - Vulcan from Broadcom
>> - K12 from AMD

> - Kryo from Qualcomm

- Xiaomi from Phytium

http://www.theplatform.net/2015/08/25/inside-chinas-homegrown-64-core-arm-big-iron-chip/
http://www.eetimes.com/document.asp?doc_id=1327526