i OS Battery Life Test : Has it improved over i OS 12. 1

So as always iOS is out and many will Will it ruin my battery life, or will it improve my battery life over iOS I try to figure that out by comparing iOS vs iOS 12. 1 in battery life using the battery life test of Geekbench 4. First I run the test on iOS then upgrade to iOS and run the full test once more, and then compare the scores. All conditions kept the same in both tests. Room temperature this time was around 16 degrees celsius Max Battery capacity of the p