iApplebytes confirms iOS 13.5.1 has a worse battery life, geekbench 5 battery test is a intensive test. On my iPhone 11 i got around 9-10hours of screen on usage and on geekbench
How Geekbench 6 better measures the performance of your iPhone and Mac | Macworld
Geekbench results for iPhone 12 surface, show modest performance gains - GSMArena.com news
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