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A comment on The first conformant M1 GPU driver. Parent comment

Re:The first conformant M1 GPU driver by josephg on Tuesday August 22, 2023 @01:26PM (#37225925)
Yep. Apple battery health in system preferences will show you how much the battery has degraded since the device was new. My ~2yo M1 MacBook Pro still has 92% capacity compared to when it was brand new.
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Re:The first conformant M1 GPU driver by LoganDark on Tuesday August 22, 2023 @01:58PM (#37226387)
I don't know if it's in System Preferences, but for me, System Information shows my mid-2015 MBP (running macOS 10.14.6 Mojave) still has a battery capacity of 8266mAh and a remaining charge of 8079mAh at 100%. Compared to the advertised capacity at launch of 8755mAh, that's a charge capacity of ~92% after ~five years (AppleCare replaced my battery during their recall). MacBooks are just built different.
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