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Home / Reviews / Xiaomi Mi Mix 2 vs Nokia 8 vs OnePlus 5T: Detailed Battery Performance Comparison

Xiaomi Mi Mix 2 vs Nokia 8 vs OnePlus 5T: Detailed Battery Performance Comparison

When someone is in the market for a new smartphone, they have certain expectations in mind. And for the most part, those expectations are based on the amount of money the buyer intends to shell out. After all, it’s obviously ludicrous to expect a top-of-the-line silicon and premium camera experience from a decidedly mid-range handset.

However, there’s one important ‘feature’ that just about everyone expects their new smartphone to have, regardless of the price, and that’s great (or at least good) battery life. And that’s how it should be, given how much time we spend using our smartphones on a daily basis.

A bevy of smartphones launched last year, and among them are OnePlus 5T, Nokia 8 and Xiaomi Mi Mix 2. Priced in close vicinity of each other, the three ‘affordable flagships’ offer a lot among them, including everything from premium design to blazing-fast performance. (To know more about how they perform against each other in terms of the latter, you can check our in-depth gaming and performance comparative review of the three).

But what about battery life? When it comes to the hardships of day-to-day usage, which one works the longest, before needing to be connected to the charger? Read our Xiaomi Mi Mix 2 vs Nokia 8 vs OnePlus 5T battery performance comparison to find out.

Important Notes About Testing Procedure

Note 1: All three smartphones were tested with their respective system updates and/or security patches installed.

Note 2: For testing their battery endurance, all three smartphones were subjected to (nearly) identical test routines, comprised of tasks like gameplay and video recording.

Note 3: Through the entire test run, all three devices were almost always kept connected to Wi-Fi, with screen brightness set to ‘Automatic’.

Battery-related Specifications


Nokia 8

OnePlus 5T

Xiaomi Mi Mix 2

Battery Capacity




Charging Standard

Quick Charge 3.0

Dash Charge

Quick Charge 3.0

Performance With Mixed Usage

We use a lot of different things on our smartphones these days, such as handling calls and consume multimedia content. To get an idea of the performance of Xiaomi Mi Mix 2, OnePlus 5T and Nokia 8, we subjected the three smartphones to our mixed usage test routine. This involves activities like Full-HD resolution video streaming on YouTube, calls, messaging (on apps like WhatsApp), random browsing on popular websites like Facebook, listening to music and playing a game or two, with each task lasting around 15-30 minutes.

With these usage conditions, the Screen-on Time (as measured by AccuBattery app) on Nokia 8, Xiaomi Mix 2 and OnePlus 5T was approximately 5 hours, 5 hours 40 minutes and 5 hours 30 minutes respectively. Check out the comparative screenshot below:

OnePlus 5T vs Xiaomi Mi Mix 2 vs Nokia 8

These are largely good numbers, given the three smartphones’ respective battery capacities. Still, overall the Mi Mix 2 is the better among the three in this regard.

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About Rajat Sharma

Ranging from Cosmology and Automotive Design to World Music/Movies and Philosophy, Rajat's avocations are, well, multitudinous. Then of course there's Technology, which is something he can talk about for hours at a stretch. A grammar Nazi and an atheist, he believes science has (or will ultimately have) answers to everything. As the Editor at Gadget2Buy, Rajat is not only responsible for ensuring that the quality of content published on the website and its associated social channels is top-notch, but also for the digital properties' overall growth and development. He can be reached on his linked social profiles.

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