The iPhone 12 mini is the smallest of similar products. It is equipped with small batteries and 5G runs the shortest. The battery life of iPhone 12 and iPhone 12 Pro is longer, but it is one step behind competitors' Android phones
According to our test, if you want the longest battery life and perform well compared to Android phones, iPhone 12 Pro Max is your best choice
IPhone12 Battery Test: How Does It Work
The following is the working principle of Tom's Guide battery test. It continuously accesss the Internet with the screen brightness of 150 Nit, and starts a new site every 30 seconds until the battery is exhausted. For the iPhone 12 and iPhone 12 Pro, we run this test on 5G and 4G, and the difference is very large.
Although this is not the only factor, we already include the battery size of each mobile phone listed below. The battery size of iPhone 12 and iPhone 12 Pro is based on certification and disassembly because Apple does not list the battery capacity as part of its specifications.
IPhone12/12mini And IPhone12Pro/12PROMAX Battery Test Results
Iphone Model |
Battery life (hrs:mins) |
Battery size (mAh) |
iPhone 12 mini (5G) |
7:28 |
2,227 mAh |
iPhone 12 (5G) |
8:25 |
2,815 mAh |
iPhone 12 Pro (5G/) |
9:06 |
2,815 mAh |
iPhone 12 Pro Max (5G/) |
10:53 |
3,687 mAh |
IPhone12 Battery Life
Ordinary iPhone 12 lasted only 8 hours and 25 minutes on the AT & T's 5G network. Last year's iPhone 11's battery life on 4G was as high as 11 hours and 16 minutes. In order to compare, we switched the iPhone 12 to only 4G, which lasted for 10 hours and 23 minutes.
Samsung's Galaxy mobile phone usually has a longer battery life when charging above 5G, but when the screen is set to a faster 120Hz refresh rate, they will lose a lot of power. For example, Samsung Galaxy S20 lasts 9:31 on 5G, but drops to 8:04 at 120Hz.
Google's Pixel 5 is nearly an hour faster than iPhone 12 at 9:56; it drops to 9:29, and the screen is set to a faster 90Hz refresh rate. These two times are far ahead of the 8:25 results of the iPhone 12 on 5G.
The iPhone 12 mini has a small battery of 2,227 mAh, so it is not surprising that this phone lasted only 7 hours and 28 minutes on our 5G online surfing battery. The iPhone SE 2020 uses a smaller 1,821 MAH battery to last 9:18. However, we performed the test on 4G, and the electricity it used was less.
IPhone 12Pro Battery Life
The iPhone 12 Pro has a better performance, which lasted 9 hours and 6 minutes on T-Mobile's 5G network. The running time jumped up to 11:24. The iPhone 11 Pro lasted 10:24 than 4G.
The Samsung Galaxy S20 Plus 5G battery life at the same price is 10 minutes and 31 seconds, nearly 1.5 hours longer than the iPhone 12 Pro. The operation time of Samsung mobile phones at 120Hz dropped to 8 minutes and 55 seconds, slightly worse than the iPhone 12 Pro 5G.
Fairly, the battery capacity of the Galaxy S20 Plus is 4,500 mAh, while the radical capacity of the iPhone 12 Pro is 2,815 mAh.
We are talking about now. The 3,687 MAH battery of the iPhone 12 Pro Max lasted for 10 hours and 53 minutes on 5G. This is almost two hours faster than the iPhone 12 Pro. The Galaxy S20 Ultra battery life with a larger 5,000 MAH battery is 12 hours and 3 minutes, and the 120Hz display mode drops to 9 minutes and 13 seconds.