When compared to Samsung's flagship it's pretty impressive. The iPhone 13 Pro Max is getting 21.68 hours of web browsing out of a 4352 mAh battery vs. the Sams

When compared to Samsung's flagship it's pretty impressive. The iPhone 13 Pro Max is getting 21.68 hours of web browsing out of a 4352 mAh battery vs. the Samsung Galaxy S21 Ultra (Qualcomm 888 variant) getting 15.91 hours of web browsing out a 5000 mAh battery. When you consider the SPEC 2017 performance metrics published earlier (A15 performance core - 7.28 integer & 10.15 floating point vs. Qualcomm 888 X1 core - 4.48 integer & 6.28 floating point) it's more impressive. https://www.anandtech.com/show/16983/the-apple-a15-soc-performance-review-faster-more-efficient/2 https://www.anandtech.com/show/16983/the-apple-a15-soc-perfo...