A few days back Apple released the second beta version of iOS 8.3. According to reports it is indicated that the final version of the iOS 8.3 will be released after sales of Apple Watch starts and be endowed with new features, including the CarPlay and Siri can speak more languages.
YouTube-User Kabriolett decided to test the performance of the iOS 8.3 beta 2 and iOS 8.1.3. The study involved smartphones iPhone 4s and iPhone 5. User alternately ran a number of applications on the device and measured the speed of the system.
The experiment showed that the iOS 8.3 beta 2, as a test version still runs faster the current version of the OS. In most cases, the programs run and respond to user actions quicker than in iOS 8.1.3. However, this result is shown by tests on iPhone 4s, the difference between the operating systems that are installed on the iPhone 5 was not so obvious. Clear improvement on the results of the experiment was observed in Calendar, Camera, Communications and Weather. In some cases, the difference between the speeds of operation has a very significant change.
Nevertheless, we should not forget that the final version of iOS 8.3 can change the test results in one direction or another.
iOS 8.3 Beta 2 on iPhone 4s Compared to iOS 8.1.3
iOS 8.3 Beta 2 on iPhone 5 Compared to iOS 8.1.3