Battery Life

Battery life of a device is dictated by the SoC efficiency, screen efficiency and battery capacity. The Mi9 has an efficient SoC, and it should have an adequately efficient screen, however its battery capacity of 3300mAh is on the lower side compared to competitor devices this year, which are found to sport 3700-4000+ mAh units.

Web Browsing Battery Life 2016 (WiFi)

In the web-browsing test, the Mi9 ends up as expected on the lower half of our device database of recent flagships. The phone lands near where the G8 landed.

PCMark Work 2.0 - Battery Life

Similarly, in PCMark, the Mi9 ends up quite average in terms of its longevity. It’s not bad at all, but still remains as the lowest longevity of S855 devices, just a hair worse than the 90Hz mode of the OnePlus 7 Pro.

Overall while the Mi9 certainly doesn’t compete in battery to the likes of the Galaxy S10+, it should offer sufficient longevity to get most users through the day.

Display Measurement Camera - Daylight Evaluation
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  • Shlong - Friday, September 13, 2019 - link

    Then disable your adblocker. Hard to pay the writers, server bills, when 70% of your users are ad blocking.
  • PeachNCream - Friday, September 13, 2019 - link

    If a hypothetical 70% of your audience is blocking ads on the site you run, maybe it says more about the advertising than the site's visitors.
  • valinor89 - Friday, September 13, 2019 - link

    I used to periodically disable the adblocker for this site, but each time I had to reenable it because sometimes it has obnoxious ads, autoplay videos, pop ups that hide content and what not.
  • s.yu - Saturday, September 14, 2019 - link

    Does this really work? Are you sure that it's the displays not the clicks that generate revenue? If it's the clicks might as well click all the ads once in a while and block them all when reading.
  • Shlong - Tuesday, September 17, 2019 - link

    So which sites don't have annoying advertising? I use adblock but for sites I frequently visit, I disable, like at Anandtech, Ars-Technica, and others.
  • FunBunny2 - Saturday, September 14, 2019 - link

    "Then disable your adblocker. Hard to pay the writers, server bills, when 70% of your users are ad blocking."

    that's a great gulp of Flavour Aid. think about it, for just a second. will folks who choose to conserve bandwidth (both on the innterTubes and their brains) by ad blocking be likely to ever, ever, ever click on such ads? the answer, of course, is never, never, never. IOW, the ad revenue driven sites are scamming the ad buyers, by 'selling eyes'. which is exactly the same way that print media went. and the innterTubes sites proclaimed that they were oh so new and disruptive. right.

    sites have the tech to sell click-throughs, rather than eyes, but they're scared shitless to do that since the number is minuscule. not to pick on AT specifically, of course. all these sites have the same problem. if they did sell click-throughs then ad blocking is a non-issue, of course.
  • Qasar - Saturday, September 14, 2019 - link

    sadly i use an ad blocker as well, i tried disabling it once, and man.. the ads are EVERYWHERE, makes most of the site practically unreadable. and the auto playing videos, are MOST annoying.
  • Shlong - Tuesday, September 17, 2019 - link

    They are annoying but if people continue to block the ads, Anandtech and similar sites won't be around for that much longer.
  • Korguz - Tuesday, September 17, 2019 - link

    then they should tone some of them down, or like some have asked, switch to a paid version with no ads.
  • FunBunny2 - Wednesday, September 18, 2019 - link

    "Anandtech and similar sites won't be around for that much longer."

    once again: sell based on click-throughs and be done with it. selling 'eyes' is a total scam. in fact, selling click-throughs just might, might lead to better ads, not just more obnoxious ones. :)

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