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Tag Archives: kitkat

Android battery life, Kitkat vs Marshmallow

Computer Aid Posted on 24 June, 2016 by Luigi Martin24 June, 2016

I recently got 2 samsung i9506 (S4 galaxy) phones

i’ve had such a bad experience with lollipop battery life, that I went back to using kitkat

But now that I have 2 identical phones, I decided to compare kitkat with the latest android: Marshmallow

Although the phones were not setup identically, I did give Marshmallow some big advantages as follows:

KitKat phone:

  • running standard Samsung kitkat 4.4.2
  • uses my current SIM card, used as a normal phone
  • I rooted, & disabled as much Samsung bloatware as possible
  • Running GSam battery monitor
  • Connected to WiFi
  • Max screen brightness
  • Fully charged
  • about 5 different gmail accounts activated, with notifications active
  • various other accounts setup (eg trello, firefox, etc)

Marshmallow:

  • Running AOSP Cyanogenmod (from sometime in May 2016)… IE a bare-bones android with no bloatware
  • no SIM card
  • GSam battery monitor
  • Connected to WiFi
  • max screen brightness
  • Fully charged
  • Only 1 gmail account

Now, since I use my phone a lot, what concerns me the most, is the battery drain while the screen is on, & I’m active browsing, reading emails, & playing some trivial games like hill climb racing.

So I used both phones, side-by-side, and spent about 30 minutes on various activities… the same stuff on both phones, side-by-side.

I then went into GSam, & looked at the battery “rate of change” chart, to see how efficient each android was…

Surprisingly (and disappointingly), I found that MM would drain at around 35% to 40% per hour… ie it would go flat in under 3 hours of constant use.

Given that KitKat was also powering a 4G SIM card, it should have been worse… but it drained the battery at around 20% – 25% per hour… ie it would go flat in around 4 – 5 hours.

Just to be sure, I swapped the batteries, & did the test again… & got the same results… so I’ve ruled out any differences in batteries.

As a result, I can guess that both Lollipop & Marshmallow have some major flaw, or an inefficient OS design.

As such, there is no way I will be moving away from Kitkat anytime soon.

The only reason I would recommend MarshMallow, is for those who only use their phone for 2 or 3 minutes per day, as MarshMallows “doze” mode means the battery barely drains while the phone has the display off.

YMMV (Your mileage may vary)

Posted in Advice, Review | Tagged android, battery, kitkat, marshmallow

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