Sony's Xperia Z battery-life has been examined in new tests. The benchmarks look at all aspects of the Xperia Z's battery performance. But how does it compare to its rivals ?
The Sony Xperia Z is our favourite smartphone in the world right now, but one of our criticisms of the device in our Xperia Z review was it's battery-life. To be fair most modern smartphones need to be charged pretty frequently and Sony's mobile is a real powerhouse.
The Xperia Z has a 2330 mAh which sounds impressive on paper, but the smartphone has a huge 5 inch full HD display and a battery guzzling quad-core processor. Sony's official figures claim that the Xperia Z delivers 11 hours talk-time and 550 hours standby.
Sony Xperia Z - Battery Examined
Our friends over at GSMArena have put the Xperia Z through it's stringent battery tests to see how it stacks up against the competition. The Sony Xperia Z's battery test looked at talk-time, video-playback , web-browsing and standby.
When it came to talk-time the Sony Xperia lasted 16 hours 3 minutes (3G Talktime) , which is better than what Sony reported. It also compares pretty well to its rivals including Apple's iPhone 5 (8 hrs 42 mins) and the Galaxy S3 (10 hrs 15 mins).
However, the Xperia Z's stunning 5 inch HD touch-screen meant that it only lasted 5 hrs 30 minutes when playing back video. This doesn't stack up very well against it's rivals with the iPhone 5 delivering 10 hrs 12 mins, Galaxy S3 (9 hrs 27 mins) and the Galaxy Note 2 11 hrs 27 mins.
When browsing the web on the Xperia Z you can expect the smartphone to last 6 hours and 37 minutes. This is slightly better than Samsung Galaxy S3's (6 hrs 27min), but worse than Apple's iPhone 5 (9 hrs 56 mins) and the Galaxy Note 2 (8 hrs 48 mins).
Sony's Xperia Z will last 48 hours in standby mode which is pretty impressive and that's without Sony's stamina-mode turned on. So you can expect it to last quite a bit longer when battery-saving mode is enabled. (iPhone 5 51h, Galaxy S3 50h , Galaxy Note 2 69h).

Sony Xperia Z - Battery Test Conclusion
Sony's Xperia Z battery isn't the best especially when it comes to video playback. It performs significantly worse than the iPhone 5 , Galaxy S3 and Note 3 overall. However, it's a next-gen smartphone , so it's a bit unfair to compare it to older devices.
We're more interested to compare it to HTC's One and the Samsung's Galaxy S4. We'll compare it with newer devices when we get our hands on the smartphones.
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By Simon Thomas on 13th March, 2013




