It was already indicated in the preview : The new Apple iPhone 6S Plus will noticeably raise the bar in respect of the processor and graphics performance. This assumption was confirmed in our in-depth review. The Apple A9 chip is currently the benchmark in the smartphone segment.
extremely high performance; flawless build quality; high stability; operating concept with a real additional value; convenient display; fast communication modules; excellent GPS module; decent battery runtimes; good cameras with nice features
iOS 9 still a bit buggy; NFC not usable for third-party apps; internal storage cannot be expanded; mediocre low-light camera performance; very high price