We recently completed a cost comparison between ENKI and Amazon AWS, starting with the monthly bill of one of our mid-sized customers, a social media/SaaS application company. Their application consumes 51 virtual machine instances, 78 cores, and 236 GB of RAM. In order to get an apples-to-apples comparison, we looked at the resource settings on each instance and found the AWS instance type that meets or exceeds both the RAM and CPU in order to determine the equivalent pricing. We did this comparison for all the client's instances for both reserved and on-demand instances.
ENKI's pricing ended up being 33% lower than Amazon AWS for this client, while delivering better performance and uptime due to our enterprise architecture. If the client had chosen reserved instances, ENKI would have been 43% lower. The case study is available as a PDF for download.