yashsingh1/xdaforums huggingface dataset:
[Nexus 6  General] SenK9:
OK I've done the numbers, and according to Google's figures, the Nexus 6 should achieve roughly 5.5 hours of SOT.. Roughly 10% worse than a G3. Here is how I estimated it:

The battery life improvements range from 10-42% better than the Nexus 5, esp in LTE and talk time, probably a more efficient baseband / radio. The % is important, because the actual numbers are nonsense, there's no way a Nexus 5 gets 8.5 hours of Wifi browsing, mine would be lucky to get 3 hours in a dim room, I'm sure many would agree.

So we take this one step further and interpolate based on GSMArena and PhoneArena's battery tests, using Google's own figures for talk and wi-fi browsing, this gives us the following figures.

GSMArena figures:

Galaxy Note 4 – 28h 34m talk, 10h 44m web browsing

OnePlus One – 19h 56m talk, 9h 46m web browsing

LG G3 – 25h 54m talk, 6h 40m web browsing

Nexus 5 – 16h 4m talk, 4h 46m web browsing

Nexus 6 – 22h 39m talk, 5h 20m web browsing (calculated)

PhoneArena figures:

Galaxy Note 4 – 8h 43m

OnePlus One – 8h 5m

LG G3 – 6h 14m

Nexus 5 – 4h 50m

Nexus 6 – 5h 24m (calculated)

A few important notes:

* Even the two third party sites listed above are quite generous, nobody gets 4hr 50m SOT on a Nexus 5, so maybe the SOT of the Nexus 6 is less than 5 hours, but I just want to present the data as I see it.

* The Nexus 5 figures Google gave are same as last year's release figures, so in other words, 4.4.2, not 5.0, which means no Project Volta improvements. The N6 figures will be running 5.0. Therefore, the difference between the N5 when it finally gets 5.0 and the N6 might be less than 12%.

* Google's figures are likely skewed because they put the phone in airplane mode for the wifi test. Plus scripted tests generally wouldn't show digitizer activation and associated governor ramping, like a real-world test would. Google are very keen to point out this is all on pre-production software/hardware. I'm also sure that they will go all out on software optimisation later on and quietly update the battery estimates.

* The figures Google provide are results-based, not spec based. So for those people who say 'Oh, a phone with this screen, and this battery, should last this much', is irrelevant, because there's hundreds of other factors which affect battery life, and the only reliable way is to get final test results.

* I don't think 5 hours SOT is bad by any means. Last year's battery king, the LG G2, averaged around that I believe.
[Nexus 6  General] ECrispy:
No Motorola phone (except the Maxx) and no Nexus phone has had better than average in class battery life, there is no reason to expect this one to. If L has improvements due to Volta (which is more of am API change really), they will apply even more to the real battery champs like Note 3/4, G2/3.

I fully expect Nexus 6 has far less real world battery life than the Note 4, it won't even be close. Note phones last 2 days for all but the heaviest users, there's no way a Nexus 6 will. Of course I may be wrong, lets see.
[Nexus 6  General] KerryWood34:
I think it will last as long as a Note 4 if not more because of the fact that it will be running stock Android 5.0 as opposed to a skinned version and all of the other Samsung bloatware. Hoping I am right lol Besides, those custom kernels though ;)
[Nexus 6  General] hutzdani:
The Nexus 6" will likely last just as long as the note 4 ( Same Battery / Same SoC / Same RAM ) however any fact that touchwhizz pointless apps that start on boot will eat your battery will be out weighed by the extra size of the Nexus's screen.

Also i don't think kernels pay much difference as people think they do anymore, after all anything a Dev here can do Sammy/Google/Moto can do the same and have their reasons for including or not including stuff.

Its all Placebo use it as a Phone/PDA/Browser im sure it will last as advertised, play 30 mins of a game every day and Im sure it won't
[Nexus 6  General] anthonyg45157:
Anyone know if its lithium ion or polymer inside the nexus?
[Nexus 6  General] chrisjcks:
I think the Nexus 6 is gonna be the be the new benchmark for high end phones battery life. :)
[Nexus 6  General] pedxing:
I'm hoping for note 4 life. Compared to the nexus 5 soc the adreno 420 is supposed to be 20% better power consumption for the same performance on graphically intensive tasks (Qualcomm quote) the 805 is supposed to be mildly more efficient than the 800. I'm thinking like 5% based on comparisons between the 800 and 801. 801 to 805 doesn't have much of a change power wise.

Meanwhile art run time and Android 5 could be good for 10 to 15 percent compared to the present Kk nexus 5.
[Nexus 6  General] hutzdani:
Hahahaha a nexus benchmark battery life, the other way around - a nexus provides the minimum battery life consumers can deal with
[Nexus 6  General] chrisjcks:
It has a 3220 battery (same as Note 4)

It will have a screen that isn't as bright as the Note 4.

It won't have all the running bloat that the note 4 has.

It will have Android Lollipop which improves battery life further.

Nexus 6 will also have much a better radio, which will use less battery too!

I have no doubt at all, that the Nexus 6 will be a new benchmark for high end phones, both in performance AND battery life.
[Nexus 6  General] andybfmv96:
Compare the battery life to the Snapdragon 805 version of the G3
[Nexus 6  General] joshm.1219:
A N6 with a properly set up custom kernel will have far better battery life than a Note 4 on stock software.
[Nexus 6  General] SilkyJohnson:
"Battery life speculation thread"

I've seen it all.
[Nexus 6  General] alex989898:
I think that we must remember that GS4 9505 had a better battery life than the GPe despite the fact that they were identical and GS4 9505 was running TW.

Stock Android is not as optimised as TW when it comes to battery life IMHO.
[Nexus 6  General] ECrispy:
We're talking about comparing stock, not custom kernels etc. Stock N3/N4 gets 2 days. TouchWiz gets a bad rap for being bloated, but in fact its pretty well optimized for the hardware it runs on.
[Nexus 6  General] joshm.1219:
I actually love the Touchwiz look and features, I've had tons of Sammy flagships. But, Touchwiz code is just not that good. It is definitely super bloated, I mean it's like almost 4x the size of AOSP. It has good camera optimization and the Note 2 had good Exynos optimization, but Sammy doesn't really do anything special on Qualcomm chips outside of the custom governor. In fact, I've never had a Samsung Touchwiz device that didn't run better on AOSP.

I was looking at it from my own perspective with the custom kernels thing, sorry. I will obviously run custom software on whatever device I have, but I'm on Verizon and the last 4 Sammy flagships have been locked down tight.
[Nexus 6  General] istrikerx:
Again, generic kernels etc will always suck compared to ones heavily customised and optimised by Samsung.

One of the leaks suggested that Google have built their own custom kernel specifically for the N6.

Of course the only way we'll know is when it gets released.
[Nexus 6  General] oneplus:
battery life should be similar to lg g3. you gain from newer cpu and vanilla android, you lose from bigger qhd screen.
[Nexus 6  General] r0cafella:
That extra .4 on an inch won't come for free in terms of power consumption unfortunately.

Id be very surprised if the nexus 6 got the same battery life as the note 4.
[Nexus 6  General] chrisjcks:
Its not even .3 difference from the Note 4 & the lower brightness screen (which I think the N6 will have) & lack of running tons of background bloat will more than make up for that.

Lollipop is the bonus & will increase it further.

I'd be extremely surprised if the N6 doesn't have better battery over the Note 4.

Also, Talk time tests cant be skewered by brightness & power saving modes & here's what each company state on their own websites:

iPhone 6+: up to 24 hours

Nexus 6: up to 24 hours (LTE)

Note 4: up to 20 hours (3G)
[Nexus 6  General] pedxing:
Your welcome. [emoji12]
[Nexus 6  General] ECrispy:
If so then it can't match the Note 4 battery life. I want at least 2 days battery life from the N6, same as Note 3/4, Droid Maxx etc.
[Nexus 6  General] oneplus:
I compare battery life by screen on time...The LG G2 has had the best battery life, among all the devices I have had. Note 3/4 waste too much battery in the background.
[Nexus 6  General] SenK9:
The problem with using spec-based comparisons like 'this other phone has same screen/chip so it must be the same', is that it's not just the main components that dictate the power draw. Phones have hundreds of different parts and PCBs, and they each contribute to power draw, not to mention, who knows what other optimisations the software has implemented. Some phones have different radios and antennas, which take more power too.

It's nearly impossible to make a statement like 'The Note 4 has QHD and S805 so the Nexus 6 must be better with Android 5', because we really don't know how much improvement 5.0 will bring to the Note 4, plus the internal circuitry is completely different. Also, making statements like 'I think the N6 will have good battery' based on just wishful thinking, but no numbers, is not helping anybody. We need actual numbers people!

By far the best bet we have of finding out the battery life of the Nexus 6 at the moment, before we have any reviews, is Google's OWN figures provided. Of course we know they fudge the figures to make it look like it gets hundreds of hours, BUT they have already said that the Nexus 6 gets 12% more battery life on wifi browsing than the Nexus 5 (which was running Android 4.4). The percentage is the key.

Think about that for a second - this 12% figure, ALREADY incorporates - Android L improvements, the S805, QHD, the 3220mAh battery, circuitry, etc, etc. It's the actual test figure based on everything, not speculation. This figure improves to 40% over the N5 if it's LTE browsing.

I've done the maths in a post above here (http://xdaforums.com/showpost.php?p=56125599&postcount=7), which shows approximately 5.5 hours SOT with the Nexus 6 on Wifi, which is about on par with the G3.
[Nexus 6  General] pedxing:
Hopefully the Motorola radios will help things a lot. LG radios are not as good although they improved from the nexus 4 to 5.

In real life usage I find that after the screen, the biggest battery suck is related to the signal strength. With similar usage and good signal the battery will have 25% more at the end of a day.

I get a lot of notifications and push syncs so signal helps a lot.
[Nexus 6  General] 19psi:
my stock battery in the Note3 won't last me a day and i don't think i'm the heaviest user. talk, text, email, a little browsing here and there and music streaming at the gym for an hour and a half is all it takes to kill it. i bought the zerolemon 10000mah battery though and that thing is awesome! I could get 2 days out of that if I wanted to.

my hope is that somehow someone comes out with an extended battery for the Nexus6 or else i won't buy it. now that i've been free of car charging thoughout the day, I can't go back to it.
[Nexus 6  General] msal:
Touchwiz, as bloated, ugly and disgusting as it is, has some amazing power saving modes available. Samsung devices usually have amazing battery life and it's a combination of battery size and software to take advantage of it.

Yeah, Android L will have a power saving mode but I doubt it will be on the level of Samsung's.

I'm not advocating for the Note 4 or anything because I will be getting a Nexus 6 instead, but for the sake of fairness I figured I'd point out my experience with battery life on Samsung devices.
[Nexus 6  General] ECrispy:
I agree. Its fashionable to hate on TouchWiz and Samsung but their software (apart from some UI) is heavily optimized. Back when the S2/S3 came out, Samsung made heavy optimizations, included special drivers for hw decode of most media etc, that's a lot of hard work.
[Nexus 6  General] zj45499:
This number seems legit to me.

Cause my N5's screen-on-time is about 4.6 hrs on stock system.

Wondering what iPhone6's SOT is. Anybody?
[Nexus 6  General] pedxing:
I just want to use the phone as a phone with all the google now stuff turned on and with no crazy tweaking for voltage or under clocking. I don't think that stuff adds any significant screen time anyway.

I've under clocked and under voltaged my nexus 5 with no noticeable effect. The main I've done that works is reduce screen brightness for indoor use using the veils app. That plus turning off some google features and looking for bad wakelocks periodically.
[Nexus 6  General] SenK9:
From the same test, but more phones:

Z3 Compact - 10h 2m

Z3 - 9h 29m

Galaxy Note 4 – 8h 43m

Galaxy Note 3 - 8h 6m

OnePlus One – 8h 5m

HTC One M8 - 7h 12m

LG G2 - 6h 48m

iPhone 6+ - 6h 32m

LG G3 – 6h 14m

Nexus 6 – 5h 24m (calculated)

iPhone 6 - 5h 22m

iPhone 5S - 5h 2m

Nexus 5 – 4h 50m

Nexus 4 - 4h 47m
[Nexus 6  General] zj45499:
Thanks :D

Where is this test though? I'd like to check out the whole article.
[Nexus 6  General] SenK9:
It's Phonearena's benchmark database - http://www.phonearena.com/phones/benchmarks

I find it's probably a little bit generous on how much time one would get per phone, but still useful as an indicator. As for the Nexus 6 figure I posted, I worked it out based on comparing Google's own claim on the Nexus 6 and 5 official pages, and extrapolated on that. Note that their test figures are based on pre-production software/hardware as they are very keen to emphasise, so take it all with a grain of salt until there's 3rd-party reviews.
[Nexus 6  General] gogol:
How much battery life can be saved if we are using "black" home screen and or custom black theme?

Do you think it is somewhere around 5% - 10%? Or more?

I remember when I have the Galaxy Nexus, people were comparing white and other colors to see which one save more battery life. Obviously, black would be, but I have never came across the amount saved.

Comparing to KitKat, the new Android Lollipop has a lot more white, which is not good for Amoled battery life.
[Nexus 6  General] SenK9:
This guy tested it earlier: http://xdaforums.com/showthread.php?t=660853

Conclusion was a few percent an hour, it will probably add up if you always use high-brightness.
[Nexus 6  General] alex989898:
I don't know the performance of moderns AMOLED screen but on a GS4, using dark theme on Tapatalk consume around 1% every 5-6min. vs 1% every 3-4min with the white theme.

So dark color can save a lot of battery life with AMOLED screen.

But Samsung must have optimised the efficiency of recent AMOLEDs on whites because TW uses bright colours today and battery life of the GS5 and GN4 seems pretty good.
[Nexus 6  General] dr.m0x:
You're pretty much right on the money. A 50mv under voltage will not give noticeable improvement to battery life and may cause instability. On the other hand underclocking only causes the processor to spend longer periods at the max clock speeds in order to get the job done. Something that took 1 second at 3ghz will take 2 seconds at 1.5ghz before it drops back down to idle speeds. So again you haven't saved a lot of power.

SD805 is 30% more efficient than SD800 which is significant and the reason why the Note 4 didn't need a bigger battery than the Note 3. Standby time on the nexus 6 will be outstanding, it's SOT which could cause for concern.

Mmm bacon
[Nexus 6  General] kidruk:
lmaooo
[Nexus 6  General] Schoat333:
I speculate that the battery will last longer than the one in my Nexus 5. That's all that matters to me :p
[Nexus 6  General] mk92595:
I've had this Nexus 5 for 1.5 days now (used) and its battery life is horrific. I plan on returning it soon and getting the N6
[Nexus 6  General] Schoat333:
It can be pretty bad. Honestly tho, it seems to get better over time. I'm not sure why exactly.

Also, the 5.0 preview really helps battery life on the N5. I was at 15% last night after 15 hours unplugged. That was with 3 hours of screen on time.
[Nexus 6  General] mk92595:
I am on the preview. Its currently 68% with 51min OST.
[Nexus 6  General] Schoat333:
How long have you been unplugged, and are you using anything like streaming apps?

I'm current'y at 56% after 7 hours with 1:15 screen on time. All on LTE only too.
[Nexus 6  General] mk92595:
Its been about 3.5 hours and not really. I streamed pandora for 5-10 min then stopped it.
[Nexus 6  General] donnyp1:
I'm all on WiFi today on the 5.0 Dev preview on my nexus 5. I tweaked it a bit, but it is doing better than kit Kat. I'm curious how this 6 will act
[Nexus 6  General] mk92595:
If I had that battery life I wouldn't even look at the N6
[Nexus 6  General] donnyp1:
Its attainable, I don't use many apps. Especially anything like greenify or battery savers. I'm trying to get 6 hrs sot today.
[Nexus 6  General] Schoat333:
Not gonna lie, I only want a Nexus 6 because its new and shiny... I wouldn't even care if it had the same battery life as the N5.
[Nexus 6  General] donnyp1:
I want it also, the better camera and battery just add to the want.
[Nexus 6  General] jimv1983:
My cousin and I both had an S2, my dad and 2 of my aunts have S3s, my cousin (the one who had the S2 before) and 2 of my friends have an S4. We have all experienced terrible battery life. Especially after a major update from Samsung.

---------- Post added at 10:35 AM ---------- Previous post was at 10:28 AM ----------

Your battery life on the Nexus 5 with the 5.0 preview is pretty bad. I have a Nexus 5 too and was hoping for much better.
[Nexus 6  General] SenK9:
Battery life will get better as time goes on, on all devices, as apps update. This is just the beginning.

If I understand correctly, app developers can also do some optimisation on their side with a new API to assist in coalescing for battery saving. Most likely those changes will come later after L becomes more mainstream and devs have had more time to work on it, so we should hopefully see even more battery improvements down the road, in addition to immediate improvements.

http://arstechnica.com/gadgets/2014...ta-we-put-android-l-through-our-battery-test/
[Nexus 6  General] pedxing:
Along a similar lines here's a recent look at amoled vs LCD power consumption when using pure black backgrounds .

http://www.androidauthority.com/black-amoled-display-power-saving-541984/
[Nexus 6  General] gogol:
Does 50% black (grey color) also better than white?

white = 100% energy

grey = less than 100% energy

black = 0% energy

Correct? :)
[Nexus 6  General] Masteryates:
I have to disagree with you there Ecrispy, my GF's Moto G 4G has amazing battery life. Almost double that of my nexus 5's. :crying:
[Nexus 6  General] onthecake:
The Moto X (2014) has fantastic signal strength compared to my N5.

I am hoping that will help the battery life on the N6 since they are using the same metal banding from the Moto X.
[Nexus 6  General] pedxing:
Pure black is zero because the pixel is physically off. However in current amoled panels anything else (assuming a constant display brightness) is going to be hard to notice differences. Maybe a 10 to 20 percent difference with blue using the most energy and green using an order of magnitude less if going by the individual sub pixel arrangements.

So overall brightness levels matter the most for power consumption. Using pure black backgrounds result in the best savings but also leaning away from blues can potentially be good as well. This is probably one reason Samsung has a crap load of green in touchwiz.
[Nexus 6  General] Jayrod1980:
The plus has very good time. I got more than 8 hours "usage" with 12 hours standby on a transatlantic flight that had wifi on it. This is also with it streaming movies and video from the planes inflight stuff AND using the internet to browse and message people back home. Since their connection was undoubtably satellite based, pages and things not on the planes network were often loading awhile, etc. All of this would have probably destroyed my 2013 Moto X.

5.5 hours SOT would be absolutely unacceptable. Especially since my Nexus 7 on 5.0 DP went from 9-10 hours to 14 hours SOT. Between the 5.0 optimizations, the Snapdragon 805, and a modern AMOLED screen, I really hope it gets at least 7.5 hours SOT. I've gotten 7 hours before on my N5 with good signal, this had better be better than that in normal use situations. I can understand the standby time being lower with the ambient display on, much the same as it is with both Moto X.
[Nexus 6  General] italia0101:
Mkbhd note 4 video shows that device getting around 6 and a half hours SOT... I know it's not the same device, but it's at least encouraging
[Nexus 6  General] anthonyg45157:
Thats pretty impressive. Im only getting average 3 hours screen on time with my galaxy s4. I would assume. The nexus should be able to get better battery life out of the box. Android L should give the nexus the edge.

Only time will tell
[Nexus 6  General] Jayrod1980:
Ugh! 6.5 hours is NOT encouraging. If the Nexus 7 can easily get over 10 just farting around on Chrome and some youtube, the new phone should get at least 7 hours, even with everything going on. I'm surprised the Note 4 only got this amount of screen time. I was reading awhile back that the G2 was getting 7.5 hours easily. Granted, that's an older phone, but with similar battery size.
[Nexus 6  General] mk92595:
I expect 4-4.5hr OST with full brightness, location and sync on (A little less than my Note 3)
[Nexus 6  General] italia0101:
Everyone's usage is different, 6 hours would be double what I normally see on my n5, I've seen people get 6 hours on the n5 with tweaks and different usage patterns.

For me 6 hours is plenty..
[Nexus 6  General] GUGUITOMTG4:
Droid turbo confirmed to be thinner or as thick as N6. Considering that it also has smaller body than N6. I'm almost sure that The 3900mAh battery will fit the Nexus. I hope the connectors to be the same.:p
[Nexus 6  General] icefest:
I wonder if any custom drivers will get written that can create a virtual resolution of 720p and only address one in 4 pixels.

That should be okay for basic use and shouldn't appear as dark as a 25% darkness.
[Nexus 6  General] pedxing:
No I think 11.1 > 10.04. The 64 GB turbo is even thicker by an unknown amount. Also it's not curved like the nexus. And yet 1mm to 7mm is not much of a sacrifice for that bigger battery.
[Nexus 6  General] Masteryates:
A part of me is so with you there ;)
[Nexus 6  General] timmyd463229:
I want the nexus 6 but I'll be mad if it doesn't last the day. I usually put between 3 to 5 hours screen time with some games her and there and youtube and Web browsing. Does that seem realistic to think it will last the whole day
[Nexus 6  General] italia0101:
Its always hard to speculate on battery, there's so many variables, signal strength being a big one

But I do think that seems realistic, well at least I'm hoping for the same thing
[Nexus 6  General] timmyd463229:
Yeah I hear you on signal strength. At work I only get low 3g and it destroys my battery
[Nexus 6  General] The_other_ray:
A friend of mine got the Droid Turbo and gets a little over 5 hours screen on time on 4G, 5.2" qHD screen. The Nexus 6 with a smaller battery and with a much bigger screen at qHD is going to be average battery life I would imagine.

Sent from my Galaxy Note 2
[Nexus 6  General] msavic6:
What would you say about the Note 4 which has an equivalent processor and a slightly smaller screen with an equal battery capacity and manages to get 6 hours of screen on time. The Note 4 also lacks the battery optimizations found in Android L and has software that is bloated beyond belief.

I think the Nexus 6 will have great battery life.
[Nexus 6  General] JJ2525:
Phonearena briefly published (before deleting, guessing because of NDA issues) an article in which they ran the Nexus 6 through its battery test and it fell below the Note 4.
[Nexus 6  General] Donjuanal:
It was also a unit running on a test version of the OS. Take it with a grain of salt.
[Nexus 6  General] dwang:
http://webcache.googleusercontent.c...mplete-phablet-lags-behind-the-Note-4_id62400

7h 53m vs 8h 43m.

Pretty good