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Apple’s iPhone 15 is likely to feature better battery life due to an increased focus on efficiency in the upcoming A17 chip

Better battery life may be one of the enhancements for the iPhone 15 in 2023, as TSMC (the Taiwan Semiconductor Manufacturing Company), Apple’s preferred chip supplier, promises higher efficiency with its upcoming generation of silicon.

According to Bloomberg (opens in new tab), TSMC has announced a switch from the existing 5 nanometer manufacturing technique to one that produces devices at a 3 nanometer scale. In essence, the closer together the processor’s components are packed, the smaller the number.

Most importantly, TSMC claims that its new chips will function faster while consuming about 35% less power. This should result in longer battery life for products built by TSMC’s partners, including Apple’s iPhone 14 replacement.

Here are a few warnings: The Bionic CPUs within the iPhone are designed by Apple, so it might opt to engineer the benefits that 3 nm offers in a different way rather than focusing on power efficiency.

The A17 Bionic technology, which is anticipated to appear in the upcoming generation of iPhones, is believed to provide superior performance without consuming as much battery. There is still plenty of time for TSMC to refine its production method before it begins producing iPhone 15 handsets in large quantities.

However, if Apple sticks to its plan from this year, only the Pro versions of the 2023 iPhone would include the new silicon. The A16 chipset will most likely be used in the regular iPhone 15 and the iPhone 14 Plus’s successor, if there is one.

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