3 Things to Know About M3 vs M2 Battery Life

The real-world battery difference is small Under typical office work, the M3 gives you 30-60 minutes more than the M2. Apple rates both at 15 hours wireless web, and real testing confirms that.

The M3 is more efficient for light tasks Its efficiency core is faster and uses less power than the M2’s for things like Safari and Slack. But if you plug in during the day, you won’t notice.

Display brightness matters more than the chip The biggest battery drain in either model is screen brightness, not the processor. Keep that in mind before chasing a chip upgrade.