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Our Samsung Galaxy S6 edge battery life test shows flagship-worthy endurance

Our Samsung Galaxy S6 edge battery life test shows flagship-worthy endurance

When you have a 5.1-inch display that curves to the sides whilst holding as many as 1440 x 2560 pixels (a massive 576 ppi), and only a 2,600 mAh cell to keep things moving along, you're allowed to be skeptical. And skeptical we were about the Galaxy S6 edge, at least in terms of battery life – seemingly the only unknown variable in the lengthy equation that is Samsung's latest flagship. Fortunately for you and us both, the electronics giant knows what it's doing.

We put the Galaxy S6 edge through our arduous battery life test that attempts to mimic the average person's usage patterns. The result? 8 hours and 11 minutes of battery life, and 83 minutes needed to charge from zero to full – an (ostensibly) excellent showing! Still, there's one caveat to this score that we have to mention, for it played a part in S6 edge's achievement. 

As some of you know, we always set the display brightness of the phones that go through our custom battery life test to 200 nits. This is done to ensure as close to an even playing field as possible. Unfortunately, in the case of the Galaxy S6 edge, we had to green light the test at 180 nits, as that's the highest brightness the display can reach when manually set. This gives the S6 edge a small... well, edge, over the competition that had to play by the rules. Still, even keeping that in mind, we still have to give it to Samsung's top new smartphone – its battery life is great.

Battery Benchmarks

Battery life (hours)
Higher is better
Motorola DROID Turbo 10h 42 min (Excellent)
Sony Xperia Z3 9h 29 min (Excellent)
Samsung Galaxy Note 4 8h 43 min (Excellent)
Samsung Galaxy S6 edge 8h 11 min (Excellent)
Samsung Galaxy S5 7h 38 min (Good)
Samsung Galaxy S6 7h 14 min (Good)
Apple iPhone 6 Plus 6h 32 min (Average)
HTC One M9 6h 25 min (Average)
LG G3 6h 14 min (Average)
Motorola Moto X (2014) 5h 45 min (Average)
Apple iPhone 6 5h 22 min (Poor)
Charging time (minutes)
Lower is better
Motorola DROID Turbo 126
Sony Xperia Z3 235
Samsung Galaxy Note 4 95
Samsung Galaxy S6 edge 83
Samsung Galaxy S5 122
Samsung Galaxy S6 78
Apple iPhone 6 Plus 171
HTC One M9 106
LG G3 120
Motorola Moto X (2014) 176
Apple iPhone 6 147
View all

75 Comments
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posted on 26 Mar 2015, 10:10 2

1. mrej201 (Posts: 226; Member since: 04 Feb 2015)


impressive I guess with all the bloat remove that what you get... hey phone arena how about removing any bloat app and doing the test again

posted on 26 Mar 2015, 10:28 10

13. Dattack (Posts: 61; Member since: 09 Jan 2013)


What bloatware?

posted on 26 Mar 2015, 12:21 6

34. JMartin22 (Posts: 1937; Member since: 30 Apr 2013)


Yeah, what is he talking about?

posted on 26 Mar 2015, 12:46 8

35. rd_nest (Posts: 1593; Member since: 06 Jun 2010)


Bloatware?? Then why does nexus suck at batterylife?

posted on 26 Mar 2015, 15:37 2

41. TechieXP1969 (Posts: 8890; Member since: 25 Sep 2013)


Because it wasn't made by Samsung.

posted on 26 Mar 2015, 15:54

43. Bjray (Posts: 177; Member since: 29 May 2014)


Well, the Nexus 6 is up there with everything else (7hr 53min).
Most of it's loss compared to the Note 4 come from the previous gen AMOLED display tech plus it's larger.

The Nexus 5 is just bad... Don't know what went wrong with that one.

posted on 26 Mar 2015, 10:11

2. tech2 (Posts: 3389; Member since: 26 Oct 2012)


The difference is rather significant between S6 and Edge considering its only 50mah more.

Were the edge/s of the displays being used during testing ?

PS. I think these are just software quirks and even S6 will have equivalent or better battery life then Edge after the final firmware is released. All those gsmarena trollers can just stfu.

posted on 26 Mar 2015, 10:20 4

9. TyrionLannister (unregistered)


The difference doesn't make sense to me. It's too big. Even the benchmarks posted by PA of S6 were noticeably worse than edge. I think the guys were more excited about the edge and did not pay enough attention reviewing the regular sibling leading to this result.

The difference between them should be in minutes.

posted on 26 Mar 2015, 10:24

11. Neros (Posts: 1016; Member since: 19 Dec 2014)


Their testing prpcedures are flawed. Do you actually believe that s6 edge gets 2hrs of battery life more than note 3? Because that what PA claims. We all know this isn't right. Look at gsmarena's battery tests. Base s6 gets over 3hrs of on-screen time.

posted on 26 Mar 2015, 10:28 4

14. TyrionLannister (unregistered)


Please tell me what tells you that S6 gets 3 hours on-screen time acc. to GSMArena.

1. GSMArena tested pre-release S6. It's written in at least 10 places in their review. Go check the review again. They'll re-do the test when they get retail model.

2. Regular S6 got 8 hour 44 min web browsing in GSMArena test.

I have no idea how did you get that 3 hour on-screen time from.

Oh, and even the S5 outlasts the Note 3. S6 edge should last easily more than that.

posted on 26 Mar 2015, 10:43

20. Neros (Posts: 1016; Member since: 19 Dec 2014)


Ok, the on-screen time I provided for the s6 was wrong, but I thought I found that number on gsmarena. Anyway, why none of those reviews provide us with the on-screen time? It's more important than those useless wifi/3g/movie numbers. Note 4 can hit 7h mark. I doubt the s6 edge can break 5.5h mark.

posted on 26 Mar 2015, 10:51 3

21. Chris.P (Posts: 548; Member since: 27 Jun 2013)


Our script keeps the display on until the battery dies.

posted on 26 Mar 2015, 10:56

22. TyrionLannister (unregistered)


Can you confirm that S6 is on final firmware. As the number seems absurdly low compared to edge.

Or any battery killing app was running.

posted on 26 Mar 2015, 11:10

24. Neros (Posts: 1016; Member since: 19 Dec 2014)


S6 display was set to 200nits of bightness, edge's to 180 nits. So it's prettu much pointless. 7hrs and 40minutes is a more plausible score of set to 200nits. Of course it wasn't PA's fault. Then again it's a bit unfiar to compare edge's results to other phones which had their screens set to 200nits.

posted on 26 Mar 2015, 11:16 3

26. TyrionLannister (unregistered)


20 nits won't even make a 20 min difference.

posted on 26 Mar 2015, 11:02

23. Neros (Posts: 1016; Member since: 19 Dec 2014)


And could you kindly go to the setings and show us the on-screen time? Are you saying that the score of over 8hrs is the on-screen time or is it some average value calculated from numerous tests (3G/movies/etc.)?

If this device hit over 8hrs of on-screen time, that'd be pretty remarkable.

posted on 27 Mar 2015, 02:07

54. Chris.P (Posts: 548; Member since: 27 Jun 2013)


All I'll say is that it's not an abstract average that we siphoned out of somewhere. The screen was on for 8 hours and 11 minutes, just not necessarily always doing something as hard on the battery as streaming a movie or playing a game. Hence the "mimics real life use" part.

posted on 02 Apr 2015, 12:13

71. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Understood.
But before I invest in one (and I greatly appreciate the Reviews) I need to know some SOTs on an LTE Network at about 20% to 30 % ( indoor legible brightness ) .

A S6 Pro at 7.6 mm thick with 3100 Mah Battery for Power Users would solve a lot of problems.

posted on 04 Apr 2015, 14:31

72. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Chris - are you saying that you can Web Browse on an S6 at similar brightness on LTE for 6 to 7 hours including Screen On ?

OR is 7 hours figure using Wifi only NOT on a Network.

posted on 26 Mar 2015, 10:33 6

16. Kumar123 (limited) (Posts: 559; Member since: 15 Jan 2015)


I think we should take into consideration that when they do the battery life test of S6 edge the display brightness is set at 180 nits not at typical 200 nit. It gives this phone a "edge" over regular S6. Nevertheless, PA's battery life test is unreliable. They have history of retesting the battery life test. If they retest the battery life, the number will surely go down.

posted on 26 Mar 2015, 11:33 7

31. maherk (Posts: 3473; Member since: 10 Feb 2012)


And why are you this sure that the numbers will go down if a retest was done? Why not up?
Seriously Sony boy, knock it off with your pathetic attempts to degrade what is shaping up to be the best smartphone of 2015.

posted on 27 Mar 2015, 04:56 1

58. Joeypogs (Posts: 4; Member since: 27 Mar 2015)


To make all your arguments to rest about the battery life of s6 edge i did the simplest of math calculation, let me expound:

1. Standard screen luminance is supposedly set to 200 nits, however, the edge can only reach to 180 nits max according to PA. Therefore there's a 10% difference to all other test subjects.

2. Extrapolationg the anecdotal 8h11m endurance of the edge and subtracting the 10%, which is roughly 49m, difference equates to an adjusted endurance of 7h25m.

3. Thus, if we take into account regular s6 endurance of 7h14m and compare it to the now adjusted s6 edge endurance of 7h25m, we can clearly see that both devices have an almost exact endurance. Giving a slight, albeit, negligible advantage of s6 edge roughly in part due to a 50mah boost battery specs compared to regular s6.

4. This gives credence to PA's methods in calculating endurance ratings because of the consistency it produces when other people try to analyze the numbers posted in public and coming out of their own analogy and recalculations.

5. Im a fan both of gsma and PA, they just do different battery life statistics. However, either websites do their best in testing new phones so that us consumers, are well-informed before we make the purchase with our hard-earned money. Because frankly, regular joes like us don't have the resources to buy every single flagship on release and later on finding out that it didn't meet our expectations.

That is why PA and GSMA are here to help us all out.

So enough with your bashing trolls, be appreciative of all these guys and gals efforts to keep us consumers well informed.

Thanks PA! :)

posted on 27 Mar 2015, 05:16 3

60. TyrionLannister (unregistered)


Do you really think 10% less brightness makes for 10% less endurance. ROFL.

So in your opinion a 4X dimmer screen at 50 nits should get 32 hour web browsing time.

Yes, you can do math dude but in web browsing most of the load comes from CPU and GPU, and as usual Android system and the app itself. Screen may play a 20-30% difference, so you'll have about 1/4th factor or so.

So the 10% less brightness will likely result in about 2-3% difference which will be about 15 minutes less for edge or about 8 hours.

Sorry dude, multiplication doesn't cut it in real life.

posted on 26 Mar 2015, 11:14

25. james_fuston (Posts: 7; Member since: 26 Mar 2015)


It's all in the brightness setting. S6 Edge could only reach 180 nits manually, all the other phones were set to 200 nits. That completely explains the disparity.

posted on 26 Mar 2015, 11:48

32. j2001m (Posts: 2836; Member since: 28 Apr 2014)


It's 2 things, 1 the bigger battery and 2nd you note the edge is faster then the s6 due to the size and glass being used this will help with the battery as it also does not get as hot a the s6 as its not as thin and as per above

posted on 29 Mar 2015, 20:07

67. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Yes...maybe on the Edge the Photons sliiiiide around the curves and save energy..

...So does this Test mean 7 plus hours of SOT at 180 nits ?
Usually turning brightness all the way up on a Samsung is very bright- right ?

posted on 26 Mar 2015, 10:12 12

3. aortia (Posts: 3; Member since: 04 Mar 2015)


This time optimization beat bigger battery, good job sammy. Can't wait for note 5 battery life with 14nm processor and bigger battery :)

posted on 26 Mar 2015, 10:20

8. walkman800 (Posts: 113; Member since: 26 Aug 2014)


are you sure Note's gonna have a bigger battery? Considering how Samsung opened a new page in their flagship development (beautiful, thin, shiny), I think that Note will be similarly constructed of premium materials, and considerably thinner.

posted on 26 Mar 2015, 10:40

19. aortia (Posts: 3; Member since: 04 Mar 2015)


yes, i think it will increasing from 3220 mAh to 3300 maybe? but if it's not sammy will optimize the device with using smaller architecture processor and more efficient storage like s6 and s6 edge. I hope note 5 can touch z3 compact battery life above 10h usage time

posted on 26 Mar 2015, 11:17

27. james_fuston (Posts: 7; Member since: 26 Mar 2015)


I'd be skeptical that the Note 5 will reach the Z3 compact's battery life since the Note 4 had 4x the resolution of the Z3C. I think Samsung will push the resolution even further with the Note 5.

posted on 26 Mar 2015, 19:01

51. medtxa (Posts: 1126; Member since: 02 Jun 2014)


I don't think so, same QHD like note 4, above that is too fast and doesnt benefit samsung anything even for gimmicky show.

posted on 29 Mar 2015, 20:11

68. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Hoping the Consumer Phones are thin and pretty but the Pro Phones like Note and maybe ,possibly Note Compact can be thicker, more Function over Form...
So Battery could be slightly smaller and perform better due to the 14 nanometer tech etc.

posted on 04 Apr 2015, 14:36

73. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Honestly I hope this is true because I need that S6 Camera but user reports on actual Carriers
are showing some low SOT s for
S6 and Edge often less than 4 hours screen on time in a 10 hour day is not good for a Flagship IMO.

posted on 26 Mar 2015, 10:15

4. redmd (Posts: 1247; Member since: 26 Oct 2011)


Great achievement.

posted on 26 Mar 2015, 10:17 3

5. medicci37 (Posts: 1271; Member since: 19 Nov 2011)


Still would to see them go with at least a 2800 mah battery. Wouldn't have made the phone much thicker

posted on 26 Mar 2015, 10:38 11

18. SuperNova (banned) (Posts: 649; Member since: 15 Jan 2015)


Enough with that complaint, dude. Look at the iPhone 6 doesn't even come near it, not to mention the charging time of the S6 is the fastest among others (Z3 gets champion here, LOL).

Designing a device sometimes can't get you everything you want. Demanding something is easy, but when it come to manufacturing in real life, it's not 100% possible.

posted on 26 Mar 2015, 17:13

46. medicci37 (Posts: 1271; Member since: 19 Nov 2011)


No DUDE you don't seem to realize that some people dgaf about the iPhone. I'm comparing the S6 to last year's S5. Also you don't seem to understand my statement. I thought that I already explained that I'd rather have a slightly thicker phone with longer battery life than a phone with less battery like then the S5 DUDE

posted on 26 Mar 2015, 15:40 1

42. TechieXP1969 (Posts: 8890; Member since: 25 Sep 2013)


How do you know, you make phones?

posted on 04 Apr 2015, 14:44 1

74. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Battery for Galaxy Alpha is 1860 Mah.

Extended Samsung Battery for Alpha is 2500 Mah and only 1 mm thicker.

Even a half or .6 millimeter thicker counting increased surface area could add about 500 Mah hours.

I am hoping for a S6 Pro at about 7.5 millimeters thick with 3100 Mah Battery for maybe $825.
Samsung could have a real advantage over Apple if they do this....

posted on 29 Mar 2015, 20:26

69. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Agree 100%. On my Galaxy Alpha which is 6.7 mm thick the expanded battery makes it 1.2 mm thicker and increases battery by 35 % !
So increasing the Battery on S6 about 18% would only be about .5 or .6 millimeters thicker.
AND you would have a 2950 Mah battery.

posted on 29 Mar 2015, 20:28 1

70. robertkoa (Posts: 87; Member since: 27 Apr 2014)


Agree 100%. On my Galaxy Alpha which is 6.7 mm thick the expanded battery makes it 1.2 mm thicker and increases battery by 35 % !
So increasing the Battery on S6 about 18% would only be about .5 or .6 millimeters thicker.
AND you would have a 2950 Mah battery.

posted on 26 Mar 2015, 10:17 6

6. Kumar123 (limited) (Posts: 559; Member since: 15 Jan 2015)


There is a high possibility that PA made a mistake. Well, PA has a history of retesting their battery life test. I think if they do the test again then number will surely go down. But if this is the real battery life endurance of S6 edge then I'll say Kudos to Samsung. Job well done.

posted on 26 Mar 2015, 19:04 2

52. medtxa (Posts: 1126; Member since: 02 Jun 2014)


It will go down because...? you have s**tty logic are you? elaborate otherwise.

posted on 27 Mar 2015, 04:04

56. singhkaran9830 (unregistered)


You are just reposting this comment.You already told this in above comments.No need to be a jerk about it.Don't like it don't buy it.

posted on 27 Mar 2015, 07:25

62. keithtae (Posts: 347; Member since: 25 Mar 2015)


Why do I see you posting on every samsung page and trying really hard to bash on the brand? lol.

posted on 26 Mar 2015, 10:18 1

7. Neros (Posts: 1016; Member since: 19 Dec 2014)


Your test points to 8hrs of battery life, while gsmarena's shows something over 3hrs of on-screen time. I can get 6,5 hrs of on-screen on note 2. I think that people are more interested in on-screen times than in some times measured in a specific environment/conditions. Your test shows that the s6 edge is better than note 3, but we all know that n3 will offer over 6 hours of on-screen time while the s6 edge will maybe get 4.5 hrs...

Sorry, but your tests are misleading and wrong on so many levels.

Yep note 2 6hrs 12min, n3 6hrs and 8min.

posted on 26 Mar 2015, 10:22 3

10. TyrionLannister (unregistered)


GSMArena didn't review the S6 edge. Even the S6 they reviewed was pre-release and they will do the review again. Go see their review.

And in GSMArena test, S6 got a web endurance of 8 hour 44 min, not 3.5 hours LOL.

posted on 26 Mar 2015, 10:28 1

12. Neros (Posts: 1016; Member since: 19 Dec 2014)


I'm interested only in on-screen time, which was something above 3hrs on s6, which is expectable for such a battery. Yet, phone arena test shows us some random numbers from their script, which shows that s6 edge beats note 3 by 2 hrs. This is BS and you know it. We both know it that note series will get 2-3hrs more of on-screen time than the s series.

posted on 26 Mar 2015, 10:31

15. TyrionLannister (unregistered)


I've replied you above. See that reply.

And S6 edge should last more than Note 3. Note 4 lasts more and that's expected. These are new devices with more efficient components.

posted on 26 Mar 2015, 10:34 11

17. solidsnake695 (Posts: 132; Member since: 04 Jan 2013)


Clearly a paid test when other sites claim that battery dies very soon yet samarena claims its good people who have common sense they will know this test is fake

posted on 26 Mar 2015, 11:31 3

29. SonyFindOneDroidple (Posts: 779; Member since: 11 May 2013)


I havent seen all reviews. But almost all that I have already read are saying more or less than the batt performance of the s5 and the test of PA actually reflects such.

posted on 26 Mar 2015, 11:32 3

30. SuperNova (banned) (Posts: 649; Member since: 15 Jan 2015)


Just another hater who doesn't have clue what he's talking about. First of all, others tech sites used the old pre-released device to perform the test and those sites aren't possibly professional in tech industry. Gsmarena is a perfect example. I used to respect those guys before I come here. Unfortunately, they disappointed me a lot. All they had to do was just to get clicks as many as possible. How many readers do you think get confused by that prototype test? Although they just wanted to be the first to do a review of the S6, they should at least wait for the final product to make judgement. I like Phonearena more for their honest and legitimate approach in reviewing a phone without caring if they are the first or not.

posted on 26 Mar 2015, 14:25 1

39. kevin91202 (Posts: 525; Member since: 08 Jun 2014)


And you think PhoneArena is any better? PA can't even conduct a proper display luminance test on the Note 3, S5, Note 4, and S6.

posted on 26 Mar 2015, 17:13 1

47. medicci37 (Posts: 1271; Member since: 19 Nov 2011)


You really need to get a life flameboy

posted on 27 Mar 2015, 02:50 1

55. SuperNova (banned) (Posts: 649; Member since: 15 Jan 2015)


You're the one who need to get a life. Bashing someone, and that's all you got?

posted on 26 Mar 2015, 17:15 1

48. medicci37 (Posts: 1271; Member since: 19 Nov 2011)


Also I don't think GSM arena respects you either so I guess the feelings mutual flameboy lol

posted on 26 Mar 2015, 11:18

28. Symon_Fleece (Posts: 335; Member since: 30 May 2014)


That why s6 edge is better than the regualr s6. but s6 edge isn't comfortable to hands i think.

posted on 26 Mar 2015, 11:55

33. j2001m (Posts: 2836; Member since: 28 Apr 2014)


It is comfortable but not as good as the s6 but better than the m9

posted on 26 Mar 2015, 13:09 1

37. bugsbunny00 (Posts: 2004; Member since: 07 Jun 2013)


hahaha, xperia still rules the battery life..

posted on 26 Mar 2015, 14:21

38. kevin91202 (Posts: 525; Member since: 08 Jun 2014)


"Unfortunately, in the case of the Galaxy S6 edge, we had to green light the test at 180 nits, as that's the highest brightness the display can reach when manually set." -PA (Chris P.)

1. Green light the test at 180 nits? That's a very peculiar use of the term green-light in that context. PA continues to create their own language.

2. 180 nits is not the maximum manual setting. That is just wrong.

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