If your device supports iOS 11, you can also upgrade to iOS 12. This means that the iPhone 5s and iPad mini 2 devices released in September 2013 will also be updated.
According to the measured results, the iPad Mini 2 upgraded to iOS 12 at the shutdown speed is 2 seconds faster than the iOS 11 version, and the experience on the home screen is smoother and the response speed is faster.
In the GeekBench 4 run, iOS 11.4 had a single-core score of 1295 and a multi-core score of 2179. After upgrading to iOS 12 Beta, the single-core score was 1293 points, and the multi-core score was 2203 points.
After that, foreign media tested three games. iOS 12 Beta opened the Angry Birds 2 time in 19 seconds, and iOS 11.4 opened in 31 seconds. Next is “Princess Pokemon GO”. Both versions have an opening time of 39 seconds. The two versions of "Asphalt 8" have a speed of 32 seconds.
In native news apps, iOS 12 has a faster response time and news load time is 8 seconds, compared to 12 seconds for iOS 11.4.
Then foreign media tested five applications, including iBooks and Books, the Appleinsider app, Amazon Prime Video, Google Drive and YouTube, and iOS 12 was about 1 second faster.