iOS 14 Battery Life compared to iOS 13, 12, 11 and iOS 10

Hello everyone. Battery life is always a big concern for many users whenever a new version of iOS is how big a difference in battery life is there between generations of iOS versions on the same device. In this test I will try to show that by comparing 5 generations of iOS using Geekbench 4. All devices have original Desay batteries with 100% battery health, confirmed in the video in the settings, except for iOS which I confirmed using Coconut Battery for MacOS. Before the test was run