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Geekbench
iPhone 6 benchmark score drops 28% after just 4 months battery use.
GEEKBENCH 4 AND BATTERY TEST RESULTS iOS 13.0 vs iOS 13.1 (iPhone SE, 6s, 7, 8, XR)
Controlled Testing Supports Apple's Claim of Nearly Equal iPhone 6s Battery Life With TSMC and Samsung Chips - MacRumors
Performance & battery life : Apple iPhone 13 and 13 Pro series review: These are peak iPhones - HardwareZone.com.sg
GeekBench 3 Battery Benchmark 01 - Walyou
GeekBench show iPhone 13 Pro offers 55% better graphics than iPhone 12 Pro - 9to5Mac
iPhone 6s/6s Plus battery test results only | MacRumors Forums
Geekbench 4 ios battery scores / Geekbench / Discussion Area - Primate Labs Support
Geekbench 5 is released with all-new tests, modes, and scores | Macworld
HOW CAN I IMPROVE GEEKBENCH SCORE
Marques Brownlee on Twitter: "Wow Galaxy Note 5 and GS6 Edge+ absolutely dominated Geekbench battery test: both around 8 hours SOT :o http://t.co/d3H7FFgp3P" / Twitter
iSpeedtestOS on Twitter: "iOS 15.6 lasts in the Geekbench 4 battery test 0.21% longer than iOS 15.5 for me. Testing performed on an A9 device, your results may vary. #iOS155 #iOS156 #Battery
Geekbench 5 Released With Improved Benchmark Tests, Dark Mode Support, and More - MacRumors