Posted in: Battery tests, Mobile phones

Sony Xperia Z Ultra takes our battery test, here are the results

The Sony Xperia Z Ultra is the middle sibling between the Xperia Tablet Z and the Xperia Z1 with its big (even by phablet standards) 6.4″ screen. Combine that with a powerful Snapdragon 800 chipset and an extra slim 6.5mm body and you get one monster of a device, but also a bit of a battery nightmare.

Still, the Z Ultra packs a 3,050mAh battery, which is quite a feat – all that at a respectable thinness.

The Xperia Z Ultra immediately jumped to second place in our 3G call test, lasting about 24 and a half hours. Only the Huawei Ascend Mate with a 4,050mAh battery beat it, while the Galaxy Mega 6.3 with a 3,200mAh battery is over four hours behind. Granted those three are 6+ inch phablets, not the most comfortable for putting up to your ear, but the Z Ultra will provide hours and hours of call time over several days with a wired or wireless earpiece.


Talk time

  • Huawei Ascend Mate
    25:12
  • Sony Xperia Z Ultra
    24:23
  • Huawei MediaPad 7 Vogue
    22:16
  • Motorola RAZR MAXX (ICS)
    21:18
  • LG Optimus G Pro
    20:45
  • Motorola DROID RAZR MAXX
    20:24
  • Motorola RAZR i
    20:07
  • BlackBerry Q10
    20:00
  • Samsung Galaxy Mega 6.3
    19:54
  • Sony Xperia SP
    19:49
  • Samsung Galaxy S4 (S600)
    18:03
  • Sony Xperia ZR
    17:48
  • Samsung Galaxy S4 mini duos
    17:33
  • Samsung Galaxy Note II N7100
    16:57
  • Samsung Galaxy S4 Active
    16:40
  • Sony Xperia Z
    16:03
  • Samsung Galaxy S4 zoom
    15:32
  • LG Optimus G
    15:30
  • Sony Xperia ZL
    15:22
  • Nokia Lumia 720
    15:17
  • BlackBerry Q5
    14:31
  • Huawei Ascend P6
    14:17
  • Oppo Find 5
    14:17
  • Google Nexus 4
    14:17
  • Moto X
    14:06
  • HTC One
    13:38
  • HTC One X+
    13:31
  • Nokia Lumia 520
    13:33
  • Samsung Galaxy S4 mini
    13:10
  • Samsung Galaxy Grand Duos
    12:45
  • LG Optimus GJ
    12:39
  • Samsung Galaxy S4 GPE
    12:37
  • Huawei Ascend P1
    12:30
  • Sony Xperia L
    12:30
  • HTC Butterfly
    12:18
  • Samsung Galaxy Note
    12:14
  • HTC One mini
    12:04
  • HTC Desire 600 dual sim
    11:58
  • Samsung I8530 Galaxy Beam
    11:58
  • Samsung I8262 Galaxy Core
    11:52
  • Samsung Galaxy Premier
    11:30
  • Asus Padfone 2
    11:20
  • HTC Droid DNA
    11:07
  • HTC Windows Phone 8X
    11:07
  • Samsung Wave 3 S8600
    11:07
  • Samsung I9105 Galaxy S II Plus
    11:06
  • HTC Desire X
    11:03
  • Samsung Galaxy S4 (Octa)
    11:01
  • HTC One X (AT&T, LTE)
    10:35
  • Samsung I9300 Galaxy S III
    10:20
  • Samsung I9300 Galaxy S III (JB)
    10:15
  • Samsung Galaxy Xcover 2
    10:03
  • HTC One V
    10:00
  • Meizu MX 4-core
    10:00
  • Samsung Galaxy Express
    10:00
  • HTC One X
    9:57
  • HTC One S
    9:42
  • Samsung I9103 Galaxy R
    9:40
  • HTC Sensation XL
    9:30
  • Nokia Lumia 810
    9:05
  • Nokia Lumia 710
    9:05
  • Acer CloudMobile S500
    9:05
  • Motorola Atrix HD
    9:04
  • HTC Vivid
    9:02
  • Nokia Lumia 920
    8:56
  • Nokia Lumia 610
    8:51
  • HTC Rhyme
    8:48
  • Apple iPhone 5
    8:42
  • LG Optimus 3D Max P720
    8:42
  • Sony Ericsson Xperia neo V
    8:41
  • Meizu MX
    8:39
  • Samsung Galaxy S II
    8:35
  • Samsung Galaxy S Duos
    8:28
  • Nokia Lumia 800
    8:25
  • Samsung Galaxy Nexus
    8:23
  • Nokia Lumia 510
    8:22
  • Samsung Galaxy Fame
    8:21
  • BlackBerry Z10
    8:20
  • HTC Desire V
    8:20
  • Samsung Captivate Glide
    8:20
  • Sony Xperia T
    8:15
  • HTC Rezound (LTE)
    8:10
  • Samsung Galaxy Note (LTE)
    8:02
  • LG Optimus Vu
    7:57
  • Gigabyte GSmart Maya M1 v2
    7:42
  • LG Optimus 4X HD
    7:41
  • Apple iPhone 4S
    7:41
  • Samsung i937 Focus S
    7:25
  • HTC Evo 4G LTE (LTE)
    7:21
  • Samsung Galaxy S Blaze 4G
    7:14
  • Nokia Lumia 820
    7:09
  • Sony Xperia acro S
    7:09
  • Samsung Rugby Smart I847
    7:09
  • Sony Ericsson Xperia Pro
    6:57
  • Nokia N9
    6:57
  • HTC Radar
    6:53
  • Samsung Galaxy Ace Duos
    6:53
  • BlackBerry Curve 9380
    6:52
  • Sony Xperia E dual
    6:42
  • Samsung Galaxy S III mini
    6:22
  • Samsung Galaxy Pocket
    5:54
  • Nokia Lumia 900 for AT&T (LTE)
    5:53
  • Sony Xperia ion LTE
    5:52
  • Sony Xperia P
    5:33
  • Nokia 808 PureView
    5:16
  • LG Nitro HD (LTE)
    5:16
  • HTC Titan II (LTE)
    5:10
  • BlackBerry Bold 9790
    5:00
  • Pantech Burst
    4:46

After a spectacular start, the Xperia Z Ultra tumbles and falls hard – when we set it on the web browser test, its battery went flat not long after passing the 5 hour mark. The Galaxy Mega 6.3 and Ascend Mate are at each other’s throats, clocking in 8 hours and 17 minutes dead each. That’s not a terrible result, but browsing the Web would probably be primary use of the Z Ultra so we are less than impressed. But that’s the cost of powering such as big screen.

Web browsing

  • Sony Xperia ZR
    11:20
  • Samsung Galaxy S4 mini duos
    10:10
  • BlackBerry Q5
    10:04
  • HTC One
    9:58
  • Apple iPhone 5
    9:56
  • Samsung Galaxy S4 mini
    9:47
  • Motorola RAZR MAXX (ICS)
    9:12
  • Apple iPad mini
    9:05
  • ASUS Nexus 7 (2013)
    9:03
  • Samsung Galaxy S4 zoom
    8:51
  • Samsung Galaxy Note II N7100
    8:48
  • BlackBerry Q10
    8:42
  • Nokia Lumia 810
    8:20
  • Asus Padfone 2
    8:20
  • Moto X
    8:17
  • Huawei Ascend Mate
    8:17
  • Samsung Galaxy Mega 6.3
    8:17
  • HTC One mini
    8:12
  • Nokia Lumia 610
    8:01
  • HTC One X+
    7:56
  • Sony Xperia E dual
    7:42
  • Samsung Galaxy S III mini
    7:38
  • Nokia Lumia 720
    7:37
  • Samsung Galaxy S4 Active
    7:35
  • Samsung Galaxy S4 (S600)
    7:24
  • Huawei MediaPad 7 Vogue
    7:23
  • Motorola DROID RAZR MAXX
    7:23
  • HTC Radar
    7:17
  • Nokia Lumia 520
    7:15
  • Samsung Galaxy S4 GPE
    7:13
  • LG Optimus GJ
    7:11
  • Gigabyte GSmart Maya M1 v2
    7:10
  • Samsung Galaxy Grand Duos
    7:09
  • Samsung Galaxy Express
    7:09
  • Motorola RAZR i
    7:06
  • Samsung Galaxy S4 (Octa)
    6:58
  • Apple iPhone 4S
    6:56
  • Samsung I8262 Galaxy Core
    6:54
  • HTC One V
    6:49
  • LG Optimus G Pro
    6:40
  • Samsung I9105 Galaxy S II Plus
    6:40
  • Sony Xperia L
    6:40
  • HTC Droid DNA
    6:40
  • Samsung Galaxy Premier
    6:40
  • Motorola Atrix HD
    6:40
  • BlackBerry Curve 9380
    6:40
  • Sony Xperia Z
    6:37
  • Samsung Galaxy Xcover 2
    6:35
  • HTC Desire 600 dual sim
    6:34
  • Huawei Ascend P6
    6:30
  • BlackBerry Z10
    6:27
  • Samsung I9300 Galaxy S III (JB)
    6:27
  • HTC Butterfly
    6:24
  • Sony Xperia SP
    6:18
  • Samsung i937 Focus S
    6:15
  • Nokia Lumia 510
    6:13
  • Sony Xperia ZL
    6:04
  • HTC Windows Phone 8X
    6:01
  • Sony Xperia ion LTE
    5:56
  • Samsung Galaxy Fame
    5:55
  • Samsung Rugby Smart I847
    5:53
  • Pantech Burst
    5:51
  • Samsung Galaxy S Blaze 4G
    5:45
  • HTC Desire V
    5:44
  • HTC Evo 4G LTE
    5:41
  • Nokia Lumia 920
    5:40
  • Samsung Wave 3 S8600
    5:34
  • Oppo Find 5
    5:33
  • Sony Xperia T
    5:33
  • Samsung Captivate Glide
    5:33
  • Samsung I8530 Galaxy Beam
    5:28
  • Samsung Galaxy Note LTE
    5:24
  • Sony Xperia Z Ultra
    5:23
  • Samsung Galaxy S Duos
    5:23
  • HTC Sensation XL
    5:20
  • Meizu MX 4-core
    5:19
  • Samsung I9300 Galaxy S III
    5:17
  • Sony Xperia acro S
    5:16
  • HTC Rezound
    5:16
  • HTC Desire X
    5:16
  • LG Optimus G
    5:15
  • HTC Rhyme
    5:08
  • Samsung I9103 Galaxy R
    5:07
  • HTC One X (AT&T)
    5:03
  • Sony Ericsson Xperia Pro
    4:50
  • LG Optimus Vu
    4:49
  • HTC Vivid
    4:46
  • Samsung Galaxy Ace Duos
    4:45
  • Meizu MX
    4:35
  • Google Nexus 4
    4:34
  • Nokia N9
    4:33
  • Acer CloudMobile S500
    4:32
  • Nokia Lumia 820
    4:24
  • Samsung Galaxy S II
    4:24
  • Sony Ericsson Xperia neo V
    4:20
  • HTC One X
    4:18
  • Nokia 808 PureView
    4:14
  • LG Optimus 3D Max P720
    4:10
  • Nokia Lumia 900 for AT&T
    4:10
  • Nokia Lumia 800
    4:07
  • HTC Titan II (LTE)
    4:05
  • HTC One S
    4:03
  • BlackBerry Bold 9790
    4:02
  • LG Nitro HD
    4:00
  • LG Optimus 4X HD
    3:59
  • Sony Xperia P
    3:59
  • Nokia Lumia 710
    3:51
  • Nokia Lumia 620
    3:50
  • Samsung Galaxy Pocket
    3:47
  • Samsung Galaxy Note
    3:35
  • Huawei Ascend P1
    3:23
  • Samsung Galaxy Nexus
    3:01

The video playback test was kinder to the Z Ultra’s battery and it actually beat the Galaxy Mega 6.3, but it’s still three and a half hours behind the Ascend Mate and small tablets like the Apple iPad mini.

Video playback

  • Motorola RAZR MAXX (ICS)
    16:35
  • Motorola DROID RAZR MAXX
    14:17
  • Samsung Galaxy S4 mini
    13:12
  • Samsung Galaxy S4 mini duos
    12:52
  • Apple iPad mini
    12:51
  • Samsung Galaxy Premier
    12:51
  • Samsung Galaxy S4 GPE
    12:32
  • Samsung Galaxy S4 (S600)
    12:30
  • BlackBerry Q5
    12:28
  • Huawei Ascend Mate
    12:18
  • Samsung Galaxy S4 (Octa)
    11:29
  • Samsung Galaxy Note II N7100
    11:27
  • BlackBerry Q10
    11:15
  • Apple iPhone 5
    10:12
  • HTC One
    10:02
  • Moto X
    10:01
  • Samsung Galaxy Express
    10:00
  • Samsung I9105 Galaxy S II Plus
    10:00
  • Nokia 808 PureView
    9:53
  • Samsung I8530 Galaxy Beam
    9:42
  • Samsung Rugby Smart I847
    9:34
  • Samsung Galaxy S4 zoom
    9:30
  • HTC One S
    9:28
  • Samsung I9300 Galaxy S III (JB)
    9:27
  • Apple iPhone 4S
    9:24
  • HTC Evo 4G LTE
    9:07
  • Sony Xperia Z Ultra
    8:45
  • BlackBerry Z10
    8:44
  • LG Optimus G Pro
    8:40
  • Nokia N9
    8:40
  • Samsung Galaxy Mega 6.3
    8:34
  • HTC Butterfly
    8:28
  • Samsung Galaxy Note
    8:25
  • LG Optimus GJ
    8:15
  • Samsung Galaxy Grand Duos
    8:11
  • HTC One X+
    8:11
  • Motorola RAZR i
    8:11
  • Samsung Galaxy S II
    8:00
  • Samsung i937 Focus S
    7:55
  • Samsung Wave 3 S8600
    7:52
  • Samsung Galaxy S III mini
    7:46
  • Sony Ericsson Xperia neo V
    7:45
  • Asus Padfone 2
    7:38
  • Huawei Ascend P1
    7:38
  • Samsung Galaxy S Blaze 4G
    7:33
  • Samsung I8262 Galaxy Core
    7:30
  • Sony Xperia ZR
    7:30
  • HTC Droid DNA
    7:30
  • Samsung Galaxy Note LTE
    7:30
  • Samsung Galaxy Xcover 2
    7:30
  • Sony Xperia SP
    7:27
  • HTC One mini
    7:23
  • Nokia Lumia 610
    7:23
  • LG Optimus G
    7:16
  • Samsung Galaxy S4 Active
    7:03
  • ASUS Nexus 7 (2013)
    7:03
  • Huawei Ascend P6
    6:55
  • HTC Desire 600 dual sim
    6:49
  • Nokia Lumia 720
    6:43
  • Huawei MediaPad 7 Vogue
    6:40
  • Meizu MX 4-core
    6:33
  • Nokia Lumia 620
    6:32
  • HTC Windows Phone 8X
    6:27
  • Sony Xperia E dual
    6:27
  • Nokia Lumia 810
    6:27
  • HTC Desire V
    6:26
  • HTC One X (AT&T)
    6:26
  • Nokia Lumia 820
    6:25
  • Samsung Galaxy Ace Duos
    6:25
  • Gigabyte GSmart Maya M1 v2
    6:24
  • Nokia Lumia 510
    6:23
  • LG Optimus Vu
    6:23
  • Samsung I9103 Galaxy R
    6:21
  • Nokia Lumia 920
    6:19
  • HTC Sensation XL
    6:12
  • Samsung Galaxy Pocket
    6:06
  • Samsung Captivate Glide
    6:04
  • Sony Xperia ion LTE
    6:03
  • Samsung Galaxy Nexus
    6:02
  • Sony Xperia T
    6:01
  • Motorola Atrix HD
    6:01
  • HTC Vivid
    6:00
  • HTC Radar
    5:54
  • Nokia Lumia 800
    5:52
  • Nokia Lumia 520
    5:50
  • HTC Titan II
    5:50
  • BlackBerry Bold 9790
    5:47
  • HTC One X
    5:45
  • Sony Ericsson Xperia Pro
    5:44
  • Sony Xperia Z
    5:39
  • Sony Xperia acro S
    5:38
  • HTC Desire X
    5:38
  • Pantech Burst
    5:38
  • Sony Xperia ZL
    5:28
  • Meizu MX
    5:27
  • HTC Rhyme
    5:23
  • HTC One V
    5:20
  • Acer CloudMobile S500
    5:18
  • Oppo Find 5
    5:18
  • Nokia Lumia 900 for AT&T
    5:18
  • BlackBerry Curve 9380
    5:09
  • HTC Rezound
    5:03
  • Samsung Galaxy Fame
    5:02
  • Google Nexus 4
    4:55
  • Sony Xperia L
    4:44
  • Samsung Galaxy S Duos
    4:30
  • Sony Xperia P
    4:30
  • LG Nitro HD
    4:17
  • LG Optimus 4X HD
    4:14
  • LG Optimus 3D Max P720
    3:28
  • Nokia Lumia 710
    3:27

Overall, the Sony Xperia Z Ultra scored a decent endurance rating of 52 hours. That’s the amount of time you should expect the phablet to last on a single charge given you use it for one hour of talking, one hour of web browsing and one hour of video playback per day and leaving the phone in standby for the rest of the time.

The good overall ranking aside, its performance was a bit disappointing in what we consider the key tests here – the whole point of having a huge, sharp screen is to browse the Web with tablet-like ease and have that big screen always available for watching some video on long commutes, but it’s those two activities that run the battery dry very quickly. With light usage, you’ll get two days of usage out of the Xperia Z Ultra, but daily charging will probably be more common.

You just can’t rely on the Z Ultra for web browsing on the go (especially if you use LTE instead of Wi-Fi). You’ll be able to squeeze in a couple of movies before the battery gets too low for comfort, but the Sony Xperia Z Ultra just isn’t the ideal tool for road warriors that it could have been. It fares much better at home where you can plug it in when the battery drops or just use it as a secondary device that isn’t mission critical.

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