How much faster is Redis than mongoDB?

Question

It\'s widely mentioned that Redis is \"Blazing Fast\" and mongoDB is fast too. But, I\'m having trouble finding actual numbers comparing the results of the two. Given simila

Answer 1

Good and simple benchmark

I tried to recalculate the results again using the current versions of redis(2.6.16) and mongo(2.4.8) and here's the result

Completed mongo_set: 100000 ops in 5.23 seconds : 19134.6 ops/sec
Completed mongo_get: 100000 ops in 36.98 seconds : 2703.9 ops/sec
Completed redis_set: 100000 ops in 6.50 seconds : 15389.4 ops/sec
Completed redis_get: 100000 ops in 5.59 seconds : 17896.3 ops/sec

Also this blog post compares both of them but using node.js. It shows the effect of increasing number of entries in the database along with time.