It's good to know how the calculations work but pretty useless for actually figuring out how much the device costs you in real world usage. (howtogeek.com)
That type of real - world usage test is one way to compare smartphones against each other, but another more common method is with benchmark tests. (bgr.com)
When it comes to performance, it really doesn't get better than this at the moment, and it translates into great real - world usage experience. (techpp.com)