A15 Bionic chip
https://support.apple.com/en-in/111839
https://support.apple.com/en-in/111886
https://support.apple.com/en-in/111871
https://support.apple.com/en-in/111870
https://support.apple.com/en-in/111873
https://support.apple.com/en-in/111872
https://support.apple.com/en-in/111866
https://support.apple.com/en-in/111854
https://support.apple.com/en-in/111850