Snapdragon 835 S8+ Battery Life (SOT and Idle Time) - Samsung Galaxy S8 Guides, News, & Discussion

https://youtu.be/rAL1040D1w4
A quick look at Battery Life of the Snapdragon S8 Plus

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lenovo S660 & A806 fast battery drain

Hi guys
i just bought 2 devices for my friends :
Lenovo s660 - runs 4.2.2 - 4.7" , 1/8GB, 6582 quad core, battery capacity 3000mah
lenovo a806 - runs 4.4.2 - 5", 2/16GB , 6592 octacore ,battery capacity 2500 mah
both of the owners are saying that the battery drains really fast even in save mode and in really basic use (some browsing, whatsup, calls without games or heavy use etc) which is not reasonable - i ordered it because of the battery capacity and the quality of lenovo.
Do you have any idea what could be the solution ?
Thanks in advance.
bicho79 said:
Hi guys
i just bought 2 devices for my friends :
Lenovo s660 - runs 4.2.2 - 4.7" , 1/8GB, 6582 quad core, battery capacity 3000mah
lenovo a806 - runs 4.4.2 - 5", 2/16GB , 6592 octacore ,battery capacity 2500 mah
both of the owners are saying that the battery drains really fast even in save mode and in really basic use (some browsing, whatsup, calls without games or heavy use etc) which is not reasonable - i ordered it because of the battery capacity and the quality of lenovo.
Do you have any idea what could be the solution ?
Thanks in advance.
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For me quite a big difference is if I'm using both sims or just one. Now when I'm on one I'm at 53% and have already 11d nad 14hrs. I use a Wifi a lot, but I don't play games at all. Mostly browser, RSS reading, email, viber a phone calls.
The other thing is that when I got the other day to 35% the battery got to 2% in a matter of two hours. So I guess it's not showing very acurate percentage...

Galaxy J7 (sm-j700h)

How to calibrate battery after change I have shop battery 3950mah but systems detect 2500mah
And how week up the profond cpu hibernate there are 8 core in octa core but only 4 work
How to calibrate battery I have charged new battery 3950mah but systems detect 2500mah and how week up profond cpu hibernate in octa core there are 8 core but only 4 work?
Wrong thread i guess bro
Wrong forum.

Snapdragon 820/821 vs 835

So I've ended up using multiple phones that had either the 820 or 821 chipset (S7, 3T, G6), and practically all of them - despite varying battery capabilities and other hardware differences - seemed to have the same general characteristics;
- Middle of the road screen on time. For instance, back when I had a phone with an 801, I could easily get 6-8 hours of SOT using a 3000 mah battery, whereas even the 3T, with a 3400 hour battery could barely reach 6 hours.
- Relatively high or inconsistent battery standby drain. Greenify and Doze seemed needed on practically every 820/821 I used just to keep the standby drain in check.
- Phone often running very hot - especially after extended use.
Now if you're saying those are traits that phones have always had, you're more or less right. I'm not necessarily trying to argue that the 820/821 were steps back for Snapdragons or anything (although I do think the whole need for 2K screens did effect overall efficiency). In any case, my general point is, these flaws - whether they're solely with the 820/821 or longstanding, seem to be corrected with the 835.
Granted, I've only owned one phone with the 835 - the S8+ - and while I haven't noticed any great jump in speed or straight up performance with the 835, I have noticed that practically all of those slightly annoying flaws mentioned above are nowhere to be found.
With a 35000 mAh battery, 8-9 hours of SOT is easily achievable, I've left my phone off the charger overnight to find the battery still at 100%, and my phone hasn't gotten nearly as warm as any of the phones from last year.
In conclusion, in my personal testing and usage, I've found the real benefits of the 835 to be mostly noticeable when it comes to efficiency, rather than performance (which, IMO, is a very good thing), and I suppose I'm kind of surprised that this really hasn't been covered at all by any of the major Android publications I've seen.
You are right, snapdragon 835 is a major improvement, but aren't these initial judgement, 835 hasn't aged till now..lets see how it keeps up with the performance, especially Samsung s8..

why is this processor so battery hungry?

I previosly owned a Moto X Play and it didnt consumed more than 3% and at redmi pro is minimum 12% . Data and wifi always enabled
rober788 said:
I previosly owned a Moto X Play and it didnt consumed more than 3% and at redmi pro is minimum 12% . Data and wifi always enabled
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There's definitely something with the thermal management of the processor, as evidenced by the difference in Antutu scores hot vs cold where I see 30% difference, low 70000 versus > 100000 - and by "hot" I mean after 10 minutes of browsing, not playing intense games.
That said, compared to a similar spec phone like Elephone S8 the Redmi Pro looks pretty good. With a similar battery rating and X25 if I leave both idle the Redmi Pro still has 35% charge when the Elephone S8 hits zero. Yes the Elephone has a larger screen, but by idle I mean mostly just sitting there with the screen off.
Can't comment on the Moto X Play but if the Snapdragon 615 is anything like the 625 in, say, the Redmi Note 4X then battery life will blow it out of the water and performance will remain pretty much constant (it never gets "hot hot"). But... so here's the thing, in Antutu the performance never reaches the heights of the X25 at it's hottest/worst.

Battery duration compared to old S5 Mini

Hello,
Since I have not yet had a precise idea about the battery life of this S10E, I would like a comparison between my current smartphone and the S10E.
If for example with my current smartphone (Galaxy S5 Mini, stock rom and battery replaced about 3 years ago) with the use I make I arrive at night when I go to sleep with about 15% of battery, in my case with S10E how much will the battery percentage be compared to the S5 mini?
Thanks a lot in advance for a reply!
I'm assuming the baterry is 2,100 mAh, the s10e has 3,100 a better processor and a better overall OS and UI.. it handles battery drain better afaik.
You should see very good improvements in battery life going with the s10e..
silkera said:
I'm assuming the baterry is 2,100 mAh, the s10e has 3,100 a better processor and a better overall OS and UI.. it handles battery drain better afaik.
You should see very good improvements in battery life going with the s10e..
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Ok, thanks a lot for the reply!!
I would like to switch from my S5 to the S10E, but the various reviews says that S10E have a very bad battery....
Bokka80 said:
Ok, thanks a lot for the reply!!
I would like to switch from my S5 to the S10E, but the various reviews says that S10E have a very bad battery....
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In all honesty, I came from an LG G6 to the S10e (Snapdragon version), and I'm getting better battery life, even though the G6 had a larger 3300 mAh battery. You should almost certainly see a decent improvement coming from an S5.
swan3983 said:
In all honesty, I came from an LG G6 to the S10e (Snapdragon version), and I'm getting better battery life, even though the G6 had a larger 3300 mAh battery. You should almost certainly see a decent improvement coming from an S5.
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I hope, because I would like to buy an european S10E with a Exynos CPU. The battery drain problems is related to Exynos models, not to Snapdragon.
I would not compare a low priced/featured SoC (S5 mini) with a highest end Soc (S10e). A more featured SoC will always drain more power, because it has more components that must be powered. Better compare the energy efficiency of the same SoC from different smartphone manufacturers.
As far as I can say yet after a week, the power drain of the S10e is OK. This means: I expect that with more apps the power drain will raise. If the phone lasts for a day, or if i have to power it in the late evening/night, this is OK.
My last daily driver phone was a Xiaomi Note 5 which broke accidently. That thing gave me power for 2-3 day heavy usage. With an Snapdragon 636, an ernergy efficient mid-class SoC with a 4000mAh battery, the experience was superb. But with lack of many phone features like good camera, NFC, ....
Nevertheless I decided to switch to an higher end daily driver because of the features and overall better possibilies the S10e can give me. If the battery will not last for the whole day i will sell it. I also will buy a backup phone like the Xiaomi Note 7 soon for navigation and for traveling.

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