Macworld's iPhone XS Max Testing for apps using Metal Shows Impressive Performance Gains but their Battery Testing is Questionable - Patently Apple
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Battery Life: iPhone XR Vs iPhone X / XS / XS Max Vs Note 9 Vs Pixel 3 XL, More [Comparison] | Redmond Pie
The iPhone XS and Max do fine on the battery life test, but fall short of one Apple claim - PhoneArena
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IOS 14.7 Battery Drain Test in 2021 | iPhone X vs iPhone XS vs iPhone XR vs XS Max Battery Test 2021 - YouTube
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