I have found that updating the iOS from 5.1.1 to 6.1.2 geekbench shows a dramatic change in the results. I have the results so you can look for yourself. These 2 benchmarks where taken with the same ipad. http://browser.primatelabs.com/geekbench2/1051443 http://browser.primatelabs.com/geekbench2/2145675