On: AMD's Future in Servers: New 7000-Series CPUs Launched and EPYC Analysis

[phonon]

Skylake generation servers will have at least three different cores (LCC, HCC, XCC; low core count, high core count, and extreme core count) + a Xeon-D successor (presumably).

You can see some info about them here, http://www.anandtech.com/show/11550/the-intel-skylakex-revie...

(Bottom table)