Non-Clustered Column store index introduced in SQL 2012:
-> if table have Non-Clustered Column store index , then its read only, can not modify the data.
-> but non clusted column index gives more performace for retriving data
->Data stored in column format interanally
Clustered Column store index introduced in SQL 2014:
->if table have Clustered Column store index, can insert , update,Delete data as like normal index.
-> if table have Clusted column store index , can not create other index
Below is good article for Clustred Column store index