I was wondering if anybody has this problem, my battery gets very hot while playing games like temple run or angry bird! I'm on paranoid ROM 2.99.
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My battery never gets hot, but the processor always does. Is the warm spot at the bottom of the phone? Because if it is, then its the processor, which is very normal for a dual-core/ quad-core phones when doing tasks like heavy gaming etc.
Sent from the world's (once) most powerful smartphone.
i had issues before as well, i was on nottach an overclocked kernel 1.3ghz, not just a normal heatup coz it really smells burning circuits inside, just below the sim card slot where the processors are. :cyclops:
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I just noticed that under heavy use such as decoding mkv the phone can get a bit hot. Especially in the upper part of the display under the samsung logo.
Anyone else experience this?
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My SGS2 gets fairly hot when the CPU is busy on the backside right below the Camera, which is pretty much in the same place, just on the backside instead of frontside.
I'd say its normal behavior. I've noticed it is especially bad with applications or games, that use a lot of CPU cycles.
Being as powerful as it is, i wouldn't be surprised if the SGS2 uses up more power when the CPU is active then older phones. Power usage for doing the same amount of work should be lower then older phones. However some applications don't limit their CPU usage, and therefore you may end up using more power (phone getting hotter) then you would on older phones.
Well it is after all one of the thinnest and most powerful smartphones on the market.
Power = Heat
Thin = Little cooling space = Heat
Heat + Heat = Much heat
No way it's overheating though. I think that would be possible if you overclocked it but I'm fairly sure they've tested it for overheating with stock frequencies and voltages. If you read the manual it probably says that you're not supposed to use it for long periods of time in direct sunlight to prevent overheating, just like it says in almost every phone manual. At least iPhone shuts itself down if it gets too hot and I wouldn't be surprised if modern Android phones did that too.
Hi, I'm no expert, but 70°C is quite a lot, isn't it?
And I was only browsing market...
pepcza said:
Hi, I'm no expert, but 70°C is quite a lot, isn't it?
And I was only browsing market...
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Yeah...sounds way too hot to me
ImperialX said:
I just noticed that under heavy use such as decoding mkv the phone can get a bit hot. Especially in the upper part of the display under the samsung logo.
Anyone else experience this?
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You said it yourself, "Heavy use", the S2 is just a handset after all, not PC with liquid cooling or something.
The CPU produces a lot of heat, it's a powerful CPU, the device is thin, so:
powerful hot CPU + thin choking case + long time heavy use + your warm hands all over the device playing games and surfing the web etc = very hot device.
Try maybe to change the kernel !
Not sure if it's normal but once my phone went up to 53 degrees c while charging. I unplugged it and waited, it went back to charging at 46 degrees c.
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Hi all, running lite'ning rom 1.4 and just played order and chaos for 5 minutes and the phone became too hot to touch! Surely this shouldn't be right, i mean what the hell! Anyone else have this?
paulo91 said:
Hi all, running lite'ning rom 1.4 and just played order and chaos for 5 minutes and the phone became too hot to touch! Surely this shouldn't be right, i mean what the hell! Anyone else have this?
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Actually yes,many people have this.It's the CPU overheating.Beware,it doesn't get hotter than other CPUs on the market,but heat disipation on the GS2 is minimal as the phone is so thin.
The only thing you can try is lowering the CPU clock to 1000Mhz or even 800Mhz when gaming.You can even boost your GPU to 400Mhz up from 267Mhz and don't overheat then.There will also be no performance hit as games run mainly on the GPU and two cores running at 1GHz are more than enough to handle the background.
I havent noticed the phone getting super hot as some people have noted. I do notice that it does get a lot hotter if its plugged in and charging while playing a game. Are you by chance charging while playing? If so, I'd try and play while not charging to see if it gets really hot still.
No this isnt while charging and it literally was 5 minutes of playing! How do I change the cpu and gpu speeds safetly?
it also depends on the game itself, many of them are just poorly programmed
to your question: setcpu is the app.
tolis626 said:
Actually yes,many people have this.It's the CPU overheating.Beware,it doesn't get hotter than other CPUs on the market,but heat disipation on the GS2 is minimal as the phone is so thin.
The only thing you can try is lowering the CPU clock to 1000Mhz or even 800Mhz when gaming.You can even boost your GPU to 400Mhz up from 267Mhz and don't overheat then.There will also be no performance hit as games run mainly on the GPU and two cores running at 1GHz are more than enough to handle the background.
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I dont have an SGS2 yet but your statement has a total flaw, if games mainly use the GPU then there should be zero need to underclock the CPU.
EarlZ said:
I dont have an SGS2 yet but your statement has a total flaw, if games mainly use the GPU then there should be zero need to underclock the CPU.
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Have you ever seen anything running on the GPU ONLY?What I mean is that the GPU processes the graphics,which are important when playing a game.The CPU takes on other tasks,like opponent's AI(artificial intelligence),background and foreground code running and many other things.Sound maybe?All these things keep the CPU running at 100% for no reason.Lower the clock and voila!
Check first before you try to say I'm wrong next time.I don't usually say bullsh!t with such things.
Is there a good phone out there that is able to not heat up so badly compared to other phones when playing games? like maybe in playing a game phone A heats up to 40°C but phone B only heats up to 30°C, something like that, a good performance to heat generation ratio?
Been using my current phone(Galaxy SII, I9100) to play Drastic DS emulator but 5min in and my phone is like burning and maybe even damaging my phone, i never overclock my phone though, underclocking to 800ghz also is useless
Right now im only playing it on my bus ride to school since the bus is always very cold (you know a bus is very cold when your playing games and your phone is suppose to overheat and keep you warm but its not OVERHEATING)
My S3 heats up really fast when playing Clash of Clans... 5-10 min of gameplay.. and the bottom part of the phones gets really hot... somewhere around 50c or more
i can play other much more resource extensive games like brave frontier or Knight and Squires or sometimes watching movies for hours and the phone barely Heats up
btw.. what's on the bottom part of the phone that's causing the heat ? the ARM SoC ?
i kept changing between different ROMS and kernels... but same issue
It's the CPU, your game is probably coded to use all four cores at the same time -others may only use one.
andr3wchong said:
My S3 heats up really fast when playing Clash of Clans... 5-10 min of gameplay.. and the bottom part of the phones gets really hot... somewhere around 50c or more
i can play other much more resource extensive games like brave frontier or Knight and Squires or sometimes watching movies for hours and the phone barely Heats up
btw.. what's on the bottom part of the phone that's causing the heat ? the ARM SoC ?
i kept changing between different ROMS and kernels... but same issue
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You're right, whoe SoC is at the bottom, you just have to deal with it, i mean, phones don't have coolers
Also, it's way smaller heating than on S2, it's SoC was at the top by the camera, and the camera cover was metal, and when it heated up it could be so hot it just burned and your finger stuck to it, so, be happy, our S3 is 'cooler' than many other phones (atleast what i know).
Cheers.
Ok thanks guys... wow that 50+ c isn't considered hot
so are they any apps that can dynamically adjust clockspeed based on the Apps/games launched ?
No problem with playing game for me also..yea it can get hot sometimes when playing *heavy* games but in general its ok
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I know, the Tegra K1 gets hot. Is this a widespread issue though (some people only report minor warmth)? How hot is too hot? Mine is getting stoopid hot, and I'm pissed because I finally have a unit with almost no issues, save the over heating problem. I know the SHIELD has issues with screen cracking, and the N9 should be safer with the metal band, but something doesn't seem right...
Iboschi said:
the Tegra K1 gets hot
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This.
combine that with a badly configured cpu governor that boosts the frequencies to 2+ ghz even for simple tasks that do not need all those cpu cycles.
In addition to the whopping 1.5ghz touchboost frequency (WTF google).
After rooting and fixing the last two points, I experience high temps only when playing games.
Blocking Ads also tremendously helps temps while web browsing.
I wouldn't consider it a problem. I also doubt you have a bad unit even though its getting hot. Chances are if you do the exact same things on 100 nexus 9's the temp will be very close. I've been looking through the kernel code for tegra throttling and doing some tests. The tests show it starts to very lightly throttle starting at 70c in my tests. I believe I saw in the kernel there is 3 throttling states basically, light, heavy, and one other I can't remember. Shutdown occurs at right above 100°c.
As far as the governor, I'm sure if it made sense gooe would have lowered it. But, if I remember right this was part of project butter to make the ui smooth, as well as some other things. I don't think touch boost is killing battery too bad, and I'm willing to sacrifice some for a smoother ui anyway.
Thisbis just a hit running CPU, no way around it and its not a defect, its just a side effect of a powerful CPU in this design. I also noticed although it heats up quick, it cools extrememly fast. Like dropping 15-20° in seconds, literally- so overall I don't think this is a huge problem, but if they can make it better, more power to them.
di11igaf said:
I wouldn't consider it a problem. I also doubt you have a bad unit even though its getting hot. Chances are if you do the exact same things on 100 nexus 9's the temp will be very close. I've been looking through the kernel code for tegra throttling and doing some tests. The tests show it starts to very lightly throttle starting at 70c in my tests. I believe I saw in the kernel there is 3 throttling states basically, light, heavy, and one other I can't remember. Shutdown occurs at right above 100°c.
As far as the governor, I'm sure if it made sense gooe would have lowered it. But, if I remember right this was part of project butter to make the ui smooth, as well as some other things. I don't think touch boost is killing battery too bad, and I'm willing to sacrifice some for a smoother ui anyway.
Thisbis just a hit running CPU, no way around it and its not a defect, its just a side effect of a powerful CPU in this design. I also noticed although it heats up quick, it cools extrememly fast. Like dropping 15-20° in seconds, literally- so overall I don't think this is a huge problem, but if they can make it better, more power to them.
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im really happy to hear about your thought
but if the heat issue occurs many times, will it break the others hardware,
i have seen in laptop, if the graphics card heat too much, it can melt the motherboard and the others parts of the laptop,
im afraid that it will happen to this tablet eventually
i really love my nexus 9, just this heat issue make me incomfortable