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AMD Llano APU A8 3510mx laptop really high idle temps even after applying new thermal paste... is ~70c normal for these?

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February 19, 2014 11:57:54 PM

I always heard desktop wise that 60c was what you wanted to stay under for AMD cpus, I have a Samsung laptop with quadcore Llano apu a8 3510mx quad core, with 6620g graphics, 6gb ram, 500gb hdd, Windows 8.1, and earlier today it was idling at 80c just browsing facebook.

I took it apart and there was barely the fainest amount of dust which I cleaned out and applied new thermal paste, the stuff that comes with the often recommend Cooler Master Hyper 212 EVO

now it idles at about 70c which seems VERY hot...I thought as technology advanced stuff was supposed to operate at cooler temps? My old sucky single core laptop back from 2009 always stayed around ~55c which I thought was pretty hot, think it was 45nm technology, and this Llano APU is bulldozer and 32nm.

It gets boiling hot gaming, and I'm worried of it dying so that's why I never game on the thing. But it's pretty boiling hot just browsing the internet...I honestly expected WAY better out of a quad core laptop coming from an old sucky single core AMD Sempron 2ghz from back in 2009 about 5 years ago that ran cooler.

The fan works, I feel it blowing out hot air. Do these APU just run REALLY hot? I can't find much info on it from googling...anybody here have APU laptop with experience with them?
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February 20, 2014 6:09:39 AM

You want 75c at full load, but that's pretty high for idle. How many case fans do you have?
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February 20, 2014 6:19:00 AM

it's a laptop so just the regular laptop fan, I also have a laptop 120mm cooling pad under it as well which doesn't seem to help any, maybe saves a few degrees.
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a c 377 à CPUs
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February 20, 2014 6:27:07 AM

Ah, didn't see that it was a laptop. Laptops suck as far as cooling goes, but they can go up to 90c, so you should be okay.
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March 9, 2014 1:35:08 AM

LOL..Same hea..I got AMD A4 3305m processor and its gets really hot . 70 C while just using Chrome. Thats when i use only the iGPU. When dGPU is on its gets to 80C while using Chrome.

UPDATE:
I opened the my laptop and cleaned up the vents and the fan (had a lot of dust) yesterday ..
Now the laptop is running at 45-50C when idle, 50-60C when using Chrome, 60-75C at load and at 85C(max) when running Furmark CPU stress test ( 30 mins).
Now games run way better eg.Dota 2 =25-40fps (before) 40-55(fps)
CPU throttling GONE!!
Really happy to have achieved these temps and the subsequent performance.

OP Since you already cleaned the fan and applied thermal paste and yet its sill overheating, I think you should take your to a service centre and get it checked .
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March 9, 2014 11:05:11 AM

I'm still afraid it's going to kill the laptop with these really high temps even with no stressful programs and a laptop cooling pad under it. I guess I could craigslist it and then get an intel laptop
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March 9, 2014 12:47:04 PM

Well, what does it reach under full load?
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Best solution

March 11, 2014 1:58:37 AM

WhiteSnake91 said:
I'm still afraid it's going to kill the laptop with these really high temps even with no stressful programs and a laptop cooling pad under it. I guess I could craigslist it and then get an intel laptop


Better go for an Intel CPU with i series 4th gen . I heard 4th gen runs pretty cool. My next laptop will be a Intel for sure.

I think one of the issue is with the crappy cooling system that manufacturers use for some of their laptops .My laptop ran cool when it was new and after a year its heating a lot.. Some laptops run cool after a year or two and some overheats even after a year.
My friend's laptop which with i3 runs cool even after 1 and half years, It heated a bit compared to when it was new ( like 5 C increase which is normal coz all laptops run hotter with age due to dust and failing thermal paste ) . But mine's gone haywire after a year.

And the CPU is another issue. The newer ones should run cooler i guess though I think Intel CPUs fares better in cooling department and ofcourse performance.



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