"It's a safe bet to call the A11 Bionic the fastest mobile processor in the world. Of course, certain aspects of the A11 Bionic platform's performance will require extended hands-on testing, including network performance and battery life. The latter is an area where the iPhone 7’s A10 Fusion was disappointing, with lackluster overall battery life for a flagship device - both in controlled testing and everyday use. While Ryan has completed a battery test on an iPhone 8 Plus - with a very impressive 9 hours 40 minutes from our wi-fi benchmark (two hours better than our iPhone 7 Plus was able to achieve) - it remains to be seen if areas such as standby power draw are improved over the previous platform, and that will require some additional testing."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips