The Sony Xperia ZR is the little brother of the Xperia Z and Xperia ZL, and boasts pretty much every key specification they have. The major is the 4.55″ 720p display, which should be kinder to the equally large 2300 mAh battery inside the phone.
Identical chipsets and batteries plus a smaller screen of lower resolution give the Xperia ZR every chance of beating its premium rivals.
Let’s kick the battery test off with 3G talk time. The Sony Xperia ZR did 17 hours and 48 minutes of 3G calls before its 2300mAh battery went flat. That’s nearly 5 hours more than Sony officially says the phone is capable of, which is quite impressive on its own, but even more so considering that its better than the Xperia Z achievement by a bit over an hour and a half.
Talk time
- Huawei Ascend Mate25:12
- Motorola RAZR i20:07
- BlackBerry Q1020:00
- Samsung Galaxy Mega 6.319:54
- Sony Xperia SP19:49
- Samsung Galaxy S4 (S600)18:03
- Sony Xperia ZR17:48
- Samsung Galaxy Note II N710016:57
- Samsung Galaxy S4 Active16:40
- Sony Xperia Z16:03
- Samsung Galaxy S4 zoom15:32
- LG Optimus G15:30
- Pantech Burst4:46
The good news continue with the web browsing test. Here, the Sony Xperia ZR tops everything we’ve ever tested by scoring 11 hours and 20 minutes. The combination of Chrome as a default browser and the smaller screen are probably to thank for this great result.
Web browsing
- Sony Xperia ZR11:20
- BlackBerry Q510:04
- HTC One9:58
- Apple iPhone 59:56
- Samsung Galaxy S4 mini9:47
- Motorola RAZR MAXX (ICS)9:12
- Samsung Galaxy Nexus3:01
We now arrive at the final test – video playback. Here, the Xperia ZR did alright, but nothing breathtaking. Thanks to its 720p screen it beat the 1080p display rocking Xperia Z (5:39) and Xperia ZL (5:28) by scoring two hours more – 7 hours and 30 minutes. That’s not a particularly impressive score, but it’s not half bad either.
We ran the test with Mobile BRAVIA 2 turned on as we believed that’s how most users will be using their smartphones. Nevertheless, even with it switched off, the battery life wasn’t affected in a noticable way.
Video playback
- Motorola RAZR MAXX (ICS)16:35
- Samsung Galaxy S III mini7:46
- Sony Ericsson Xperia neo V7:45
- Asus Padfone 27:38
- Huawei Ascend P17:38
- Samsung Galaxy S Blaze 4G7:33
- Sony Xperia ZR7:30
- HTC Droid DNA7:30
- Samsung Galaxy Note LTE7:30
- Samsung Galaxy Xcover 27:30
- Sony Xperia SP7:27
- Nokia Lumia 6107:23
- Nokia Lumia 7103:27
In the end, thanks to its efficient talk times and optimized web browsing, the Xperia ZR managed to pull off an endurance rating of 62 hours. We did experience strange battery drains on a couple of occasions when we left the phone idle overnight, so it wasn’t always so great when it comes to stand-by, though.
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