redis (four) vs memcache

Redis uses a single core, and memcahe can use multiple cores
. On average, Redis has higher performance than Memcached when storing small data on each core. The

difference in value performance is
that for data above 100k, Memcached has higher performance than Redis. For simple data storage such as key-value, memcache has higher memory usage

Persistence
, master-slave replication redis support, memcache does not support

complex
data structure redis support, memcache does not support


Reference article
http://www.cnblogs.com/EE -NovRain/p/3268476.html