The AOD mode is running at 1Hz on an LTPO OLED display. Together with the darker colour of the faces in AOD mode [the pixels in an OLED do not lit up when displaying black], it consumes much less energy than running in full colour full (60Hz?) refresh rate. In my personal experience, the difference is only about 10-15%. With AOD on, on a typical work day which I remove the Watch at around 07:30am, and when I put it back to the charger at 11:00pm or so, the battery is usually at 40%.I wish there was a test in this because I would think it does. The screen uses a lot of the power. If you think it doesn’t, then you can believe that. If you know of any test, I’m open to being wrong. I just upgraded the S7 from an S3, so it’ll take me some time to figure out my gains. The S3 wasn’t cutting it for me in terms if battery life but the S7 is significantly better and I think it’s because I turned off AOD.
With the fast charger of the S7, it pumps back the watch to 80-90% in no time.
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