iPhone 11 Pro Outlasts iPhone 12 and 12 Pro in Extensive Battery Life Test

Arun Maini today shared a new side-by-side iPhone battery life video test on his YouTube channel Mrwhosetheboss, timing how long the new iPhone 12 and iPhone 12 Pro models last on a single charge compared to older models, with equal brightness, settings, battery health, and usage. All of the devices are running iOS 14 without a SIM card inserted.


In the test, the iPhone 11 Pro outlasted both the 6.1-inch iPhone 12 and iPhone 12 Pro, despite being a smaller 5.8-inch device. When the iPhone 12 Pro ran out of battery, the iPhone 11 Pro still had 18% battery life remaining, and when the iPhone 12 powered off, the iPhone 11 Pro still had 14% battery life remaining.

The final rankings ended up as follows:

  • iPhone 11 Pro Max: 8 hours and 29 minutes
  • iPhone 11 Pro: 7 hours and 36 minutes
  • iPhone 12: 6 hours and 41 minutes
  • iPhone 12 Pro: 6 hours and 35 minutes
  • iPhone 11: 5 hours and 8 minutes
  • iPhone XR: 4 hours and 31 minutes
  • iPhone SE (2020): 3 hours and 59 minutes

These rankings are of course missing the iPhone 12 Pro Max and iPhone 12 Pro mini, which will be available to pre-order starting November 6.

Teardowns and regulatory filings have revealed that the entire iPhone 12 lineup features slightly lower battery capacities. iPhone 12 and iPhone 12 Pro models share a 2,815 mAh battery, for example, while the iPhone 11 and iPhone 11 Pro are equipped with 3,110 mAh and 3,046 mAh batteries, respectively.

While the more power efficient A14 Bionic chip in Apple's latest iPhones helps to offset the lower battery capacities, this test shows that the iPhone 11 Pro still lasts longer than the iPhone 12 and iPhone 12 Pro under heavy, continuous usage.

Apple's tech specs indicate that the iPhone 12 and iPhone 12 Pro provide up to 17 hours of video playback, compared to up to 18 hours on the iPhone 11 Pro, so Apple does acknowledge that the iPhone 12 and iPhone 12 Pro have slightly less battery life.

It will be interesting to see a real-world battery life test for the iPhone 12 Pro Max, as Apple's tech specs suggest that the device has equal battery life as the iPhone 11 Pro Max, at least based on its own metrics. Apple lists both devices as providing up to 20 hours of video playback and up to 80 hours of audio playback.

Related Forum: iPhone

Popular Stories

AirPods Pro Firmware Feature

Apple Releases New Firmware for AirPods Pro 2, AirPods Pro 3, and AirPods 4

Thursday November 13, 2025 11:35 am PST by
Apple today released new firmware designed for the AirPods Pro 3, the AirPods 4, and the prior-generation AirPods Pro 2. The AirPods Pro 3 firmware is 8B25, while the AirPods Pro 2 and AirPods 4 firmware is 8B21, all up from the prior 8A358 firmware released in October. There's no word on what's include in the updated firmware, but the AirPods Pro 2, AirPods 4 with ANC, and AirPods Pro 3...
iOS 26

iOS 26.2 Available Next Month With These 8 New Features

Tuesday November 11, 2025 9:48 am PST by
Apple released the first iOS 26.2 beta last week. The upcoming update includes a handful of new features and changes on the iPhone, including a new Liquid Glass slider for the Lock Screen's clock, offline lyrics in Apple Music, and more. In a recent press release, Apple confirmed that iOS 26.2 will be released to all users in December, but it did not provide a specific release date....
CarPlay Pinned Messages

iOS 26.2 Adds New CarPlay Setting

Thursday November 13, 2025 6:48 am PST by
iOS 26 extended pinned conversations in the Messages app to CarPlay, for quick access to your most frequent chats. However, some drivers may prefer the classic view with a list of individual conversations only, and Apple now lets users choose. Apple released the second beta of iOS 26.2 this week, and it introduces a new CarPlay setting for turning off pinned conversations in the Messages...
homepod mini thumb feature

New HomePod Mini, Apple TV, and AirTag Were Expected This Year — Where Are They?

Wednesday November 12, 2025 11:42 am PST by
While it was rumored that Apple planned to release new versions of the HomePod mini, Apple TV, and AirTag this year, it is no longer clear if that will still happen. Back in January, Bloomberg's Mark Gurman said Apple planned to release new HomePod mini and Apple TV models "toward the end of the year," while he at one point expected a new AirTag to launch "around the middle of 2025." Yet,...
ios 26 digital id passport wallet

Apple Announces Launch of U.S. Passport Feature in iPhone's Wallet App

Wednesday November 12, 2025 9:15 am PST by
Apple today announced that iPhone users can now create a Digital ID in the Apple Wallet app based on information from their U.S. passport. To create and present a Digital ID based on a U.S. passport, you need: An iPhone 11 or later running iOS 26.1 or later, or an Apple Watch Series 6 or later running watchOS 26.1 or later Face ID or Touch ID and Bluetooth turned on An Apple Account ...
Tesla Charging

Tesla Working to Add Apple CarPlay Support to Vehicles

Thursday November 13, 2025 8:31 am PST by
Tesla is working to add support for Apple CarPlay in its vehicles, Bloomberg's Mark Gurman reports. Tesla vehicles rely on its own infotainment software system, which integrates vehicle functions, navigation, music, web browsing, and more. The automaker has been an outlier in foregoing support for Apple CarPlay, which has otherwise become an industry standard feature, allowing users to...
m1 chip slide

Five Years of Apple Silicon: M1 to M5 Performance Comparison

Monday November 10, 2025 1:08 pm PST by
Today marks the fifth anniversary of the Apple silicon chip that replaced Intel chips in Apple's Mac lineup. The first Apple silicon chip, the M1, was unveiled on November 10, 2020. The M1 debuted in the MacBook Air, Mac mini, and 13-inch MacBook Pro. The M1 chip was impressive when it launched, featuring the "world's fastest CPU core" and industry-leading performance per watt, and it's only ...
tvOS 26 Profiles

tvOS 26.2 Adds a Useful New Feature to Your Apple TV

Friday November 14, 2025 10:02 am PST by
Starting with the upcoming tvOS 26.2 update, currently in beta, additional profiles created on the Apple TV no longer require their own Apple Account. In the Settings app on the Apple TV, under Profiles and Accounts, anyone can create a new profile by simply entering a name and indicating whether the profile is for a kid. The profile will be associated with the primary user's Apple Account,...
iOS 26

Everything New in iOS 26.2 Beta 2

Wednesday November 12, 2025 3:29 pm PST by
Apple today provided developers with the second beta of iOS 26.2, which adds a few new features worth knowing about. Measure App Apple's Measure app now features a Liquid Glass design for the level, with two Liquid Glass bubbles instead of white circles. Games App There's now an option to sort games in the Games app Library by size, in addition to Name and Recent. CarPlay The...
apple intelligence erroneous support list

Apple Intelligence Apparently Too Smart for M1 Macs After Listing Error

Wednesday November 12, 2025 2:49 am PST by
Update: It took a day, but Apple has now corrected its Apple Intelligence device compatibility list to show support for the earliest Apple silicon Macs. The original article follows. Apple's website is causing some confusion among Mac owners, and for good reason – its device compatibility listing for Apple Intelligence appears to have dropped support for M1 Macs. The U.S. version...

Top Rated Comments

PlainviewX Avatar
66 months ago
Who would have thought that having a smaller battery in a phone that has more features/processes would result in less battery life?

[MEDIA=giphy]10C8dIIpCux0ru[/MEDIA]
Score: 50 Votes (Like | Disagree)
Amazing Iceman Avatar
66 months ago
if it wasn’t for Apple’s obsession to make it thinner and thinner, we would now have a more lasting battery
Score: 27 Votes (Like | Disagree)
az431 Avatar
66 months ago
A lot of shocking news lately!!!!!


* AniPhone charges slower via 15-watt inductive charging than via a 20-watt wired charger.
* AniPhone with a smaller battery, faster processor, and larger display has shorter run time
* An iPhone with smaller internal volume and additional components has a smaller battery than a phone with larger internal volume and fewer components.
* The faster 5G cellular chipset consumes 20% more battery than the slower 4G chipset


This is all just NUTS!

It's like buying a car with a larger engine and getting worse fuel economy!
Score: 22 Votes (Like | Disagree)
dannyyankou Avatar
66 months ago


* iPhone 11 Pro Max: 8 hours and 29 minutes
* iPhone 11 Pro: 7 hours and 36 minutes
* iPhone 12: 6 hours and 41 minutes
* iPhone 12 Pro: 6 hours and 35 minutes

Yikes, that’s a huge difference. And the phones are on WIFI so it’s not even 5G related. I’m curious to see how the 12 Pro Max does.
Score: 19 Votes (Like | Disagree)
kylelerner Avatar
66 months ago
Not that anyone cares, but I was disappointedly, largely unimpressed with the new iPhones this year. The MagSafe cases are flimsy per MKBHD’s testing, I couldn’t care less about 5G or LiDAR, and the differences in the new form factor will be covered by a case.

I know “then don’t buy one,” or “why even comment,” well, fair point, but - seeing this battery test just makes it even more disappointing.

I wish we would’ve seen a smaller notch and a higher display refresh rate.

just my $0.02
Score: 13 Votes (Like | Disagree)
DotCom2 Avatar
66 months ago
This might influence buyers coming from 11's but for those like me who have XS Max or older, this will still be a welcome increase in battery life. My XS Max currently is at 91% battery health. Can't wait to get my 12 Pro Max!
Score: 9 Votes (Like | Disagree)