One of the improvements coming in 2023 with the iPhone 15 could be better battery life, with Apple’s chosen chip maker TSMC (Taiwanese semiconductor company) promising increased performance with a new generation of silicon.

according to Bloomberg (opens in a new tab)TSMC announced the move to chips made using a 3-nanometer manufacturing process, a leap from the current 5-nanometer process. Generally, the lower the number, the more closely the processor components will be packed.