The smallest of actions is always better than the noblest of intentions - Robin S. Sharma
Rackspace is 2.3 times faster than Amazon EC2. Rackspace can read 2.8 times more data per second than Amazon EC2. Rackspace disk IO performances are as important as CPU performance since a lot of applications read and write a lot of data. Rackspace can write 7.6 times more data than Amazon per second. Rackspace’s 512MB instance is more than twice as fast as Amazon’s micro instance.