Normal or overheating - Samsung Galaxy S8 Questions and Answers

Guys I just bought a second hand exynos S8. I'm using it in medium powersaving mode with 70% cpu power and HD+ resolution. Even in light usage with 50 % or less brightness antutu and cpu z show 36 c battery temperature and cpu goes in between 52 to 60 c all the time. Can you please check your temperatures. Is it normal or is my handset defective? Appreciate your help.
In comparison my sony xperia xz never goes over 40 degrees even when used when charging

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Battery Temperature Norms

what are the normal battery temp levels for the galaxy tab? Mine goes from around 28 deg Celsius idle to 43 deg Celsius when charging or prolonged use. Are these safe operating levels or is it getting too hot? At 40 degrees i can already feel the back panel getting warm so im a bit worried about the processor. Im not overclocked and even undervolted by 100mV.
Sent from my undervolted Galaxy Tab running Overcome 1.3
http://forum.xda-developers.com/showthread.php?t=845458&page=2
http://forum.xda-developers.com/showthread.php?t=986067&page=2
Trust me, samsung is giving us all a total headache. For once, my battery temperature went to 53degrees Celsius. I laughed so badly when i saw that.
pawces said:
what are the normal battery temp levels for the galaxy tab? Mine goes from around 28 deg Celsius idle to 43 deg Celsius when charging or prolonged use. Are these safe operating levels or is it getting too hot? At 40 degrees i can already feel the back panel getting warm so im a bit worried about the processor. Im not overclocked and even undervolted by 100mV.
Sent from my undervolted Galaxy Tab running Overcome 1.3
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Click to collapse
Just curious, is your battery charging and discharging normally?
Mine's going from 14'C (outdoors) to 35'C max. (playing while pluged). Normal voltage.
Sent from my GT-P1000 Overcome 1.4.2 using XDA Premium App
The most mine ever goes to is about 36 C. both in use and in charging. Overclocked to 1.2ghz
It chatges and discharges normally, i get abot 26-30 hours out of it with average use. I do live in the Philippines though so that may be the normal temp for me. Just want to know what the danger zone is for his device when it cones to temperature.
Sent from my undervolted Galaxy Tab running Overcome 1.3
Mine goes to 37 38 @and 27 idle
Sent from my GT-P1000 using Tapatalk
Normally it is within range between 27-28 and 38 (C) on my overclocked up to 1.2GHz . When charging and running in the same time - temperature may be a bit higher, because the battery becomes warmer during charging. Important factor is software used for measuring, I use 2 different applications and always compare the readings.

Nexus 4 CPU Temperature

Hi guys i got my nexus 4 a few months back and i am very happy with it.
I rooted it and i'm running Cyanogenmod 10.1 with Franco kernel r136. My current settings are
Minimum CPU frequency- 384Mhz
Maximum CPU frequency- 1350Mhz (i underclocked it)
My CPU Voltage settings are (followed this thread
http://forum.xda-developers.com/showthread.php?t=2155495
384 - 700 (-150)
486 - 700 (-175)
594 - 720 (-180)
702 - 740 (-185)
1026 - 825 (-200)
1188 - 875 (-225)
1350 - 940 (-185)
1512 - 1000 (-150)
Just checked Device Monitor in franco kernel updater app and clicked it. It is showing CPU temperature is 42 Degrees(106 F). I am a bit worried with this temperature. Is it normal ?? I have no apps running in the background. When i watch 1080p movies it raises upto 48 Degrees.
Any way to reduce the temperature ??
Thank you
Thats normal for a quad core device like our Nexus 4.
And to be honest, it is actually quite low.
Think of it like this. Your body is on average 37 °C. The temperature of your cpu is only 5 degrees hotter than your body.
The cpu can handle way higher temperatures like that, eg. when playing a game.
And when your cpu gets too hot, the phone will shut itself off, so dont worry about it.
lol, that a few degrees warmer than your body temp.. 98.6F
Thanks for the reply. I live in india and we have 44 degrees temperature. Does this effect my phone ???
aviz1911 said:
Thanks for the reply. I live in india and we have 44 degrees temperature. Does this effect my phone ???
Click to expand...
Click to collapse
yes. your phone temperature will also depend on the ambient temperature around it, and itll affect how fast itll cool down too. if the temp around it is 44C, youll need to expect higher phone temps then someone living in a cooler environment.
I just restored my phone from the red blinking led issue, but my cpu temperature is nou 60C idle mode, i think thats a bit much..
Anybody experienced something similar?
I was just curious to what is the max temp of the CPU. because my note 2 will idle near 32*C. Whereas this phone idles 40*C. Battery also isles higher too.
XxLostSoulxX said:
I was just curious to what is the max temp of the CPU. because my note 2 will idle near 32*C. Whereas this phone idles 40*C. Battery also isles higher too.
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100C is the safety temp. itll automatically shut down to cool off at 100C.

Very high temps when gaming/benchmarking are these normal?

Before I call up EE and ask for a replacement I would just like to check if these temps are normal and if anyone else can run the same test and check what there temp gets to on the Note 4.
Firstly my Note 4 idles at around 36 degrees C which is pretty normal from what I can see. When running the Epic Citadel Benchmark on max Quality the Temperature reached a very hot 77 degrees C before I decided to stop it and shut it down.
It also reaches temps above 70 degrees C in Grand Theft Auto Vice City aswell on max settings.
Could a couple of you guys with the Note 4 please download and run the Epic Citadel Benchmark.... and use the CpuTemp app to measure the CPU temp while its running. This app has an overlay feature so you can watch the temp while the benchmark is running and I would love to know what the max temperature is that it reaches during it so I know if my phone is normal or faulty.
I get a score of about 52fps but the temperature just seems to high to me even though my idle temp is normal.
it would be very much aprechiated thank you.
That sounds about right. I just downloaded it and ran the benchmark on High Performance and got 56.4 FPS avg and the temp was around 52 degrees (started at idle, which was about 35, 36 degrees). Actually it basically spent most of its time during the benchmark at 1.5 GHz and just over 50 degrees. Then I let it cool down a bit and ran it again on Ultra High Quality and got a 48.9 FPS avg and the temp was around 77-78 degrees, spiking to around 80, but even at 80 degrees it was still fully clocked at 2.7 GHz.
But at least for me I notice even when using a couple pop up windows to play a youtube video (music, static image) while browsing Facebook and having Messenger chat heads up that the phone heats up quite a bit, going towards and around 70 degrees the more FB posts I go down and I can see it mostly around 1.5 GHz but it's still stuttery. I use CPU temp and frequency in status bar from XPosed Framework so I did have to keep dragging the status bar down to check. I'm curious what the scrolling performance would be like using ART instead but I'd have to give up XPosed and I don't think I'm ready to do that yet.

Normal temperature of the phone Celsius (°C)

Hi there, i would like to know the normal/usual temperature of the phone in this kind of situations:
While charging
while playing games
while normal using it
I don't get if i have a problem right now on the phone (new one) or it's just is normal temperature.
I have 42 Celsius (°C) while both playing games and normal usage..
Hi
On normal usage it's mostly between 35-40 (or lower depending on where you live) but in gaming mostly if the game is 3D, it will go up to 43 or even 45
but I have never seen it go more than 49, the most heating thing was enabling LTE hotspot to use on my pc and it made the phone overheat and go near 50 but never passed it even after 4 hrs.
so for a 28nm cpu I guess thats a good temp.

Average temperature and battery life.

What is the average temperature of CPU and Battery on your Z3+ ?
Mine is about 45-50 CPU and 42 Battery.
Could sometimes get up to 70 CPU and 47 Battery "Too hot for a short time at random times".
Battery life is about 4:30 SOT.
Is that normal for this device? What apps do you use to regulate the temp and increase the battery life?
Same with me on stock or custom 7.1.1
is your cpu 45-50c idle or when you are using?
zemetal said:
is your cpu 45-50c idle or when you are using?
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Click to collapse
it varies from 40 to 50 on idle.
However, it's summer here and temperature is kind of hot "About 42c"
I don't know if that's related.
BaraaModallal said:
it varies from 40 to 50 on idle.
However, it's summer here and temperature is kind of hot "About 42c"
I don't know if that's related.
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Click to collapse
yes, room temperature affects temperature of the phone on idle
I live in Turkey/Konya, idle temperature is low. But when I started to use the phone, it gets hot after 4-5 minutes later. Even though I am a light user, this heat and lag poblem made me hate Sony. I will never buy a Sony phone again. Some say new XZ Premium and XZ1 don't get hot so much but I can't trust them. If you have a Qualcomm Processor phone, heating becomes a scourge for you. I used and using Samsung Exynos phones but they never had so much problem about heating so much.

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