AMD A10 7850K CPU gets hot dramatically

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Woodb022

Commendable
Aug 25, 2016
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Hi Guys,

I read a few posts about problems I've had on my pc and I thought I could post a problem I have on here.

As by the topic that is my CPU
My GPU is R9 390 "8GB"

My CPU gets hot really quickly even during idle or writing this post.
The "back" of my CPU is located on the right hand side of my tower (if thats a problem)
After a while I notice in my games they become laggy/choppy like.
My previous GPU was a R7 260 then a R7 380 or 390, both i had the same problem.

Some people have said my CPU isnt up to scratch and causing my GPU to bottleneck.
Some have said could be a faulty CPU.
And some have said they dont know :p

I used a bottlenecking site and put my specs in it said the same about GPU is bottlenecked by the CPU and the result would only change to perfect if i selected a AMD FX8320E or higher.

If anyone could help a dempsey in distress I would really appreciate it :D

Thanks in advance

Ben
 
Solution
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From current evidence, no, I don't think the CPU is faulty. If it was I expect more than lag and a few BSoDs.

I would check as many of the software related aspects before trying to investigate the hardware directly. Diagnosing hardware is a lot more cumbersome and require expertise I (sadly) don't possess. (Not that it will prevent me from researching and passing on information...)
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Obakasama

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Apr 30, 2014
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Makepeace?

So... what you're essentially saying is you think the APU is overheating. It also looks like you've posted the question around; someone must have suggested you actually check your APU temperatures using AMD Overdrive. What are you getting for your thermal margins? Anything below 20 deg C would be considered unsafe which would also hamper your performances.
 
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Woodb022

Commendable
Aug 25, 2016
4
0
1,510


Hi,

Yes thats right.
Using the amd overdrive my thermal margin temps (on idle) 52.4 and then drops down to 43.6 then climbs back up again.
 
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Obakasama

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Apr 30, 2014
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If that 43.6 deg C is on full load, then there's nothing to worry about. If it isn't, check the thermal margin when it is on full load. AMD Overdrive has a stress test built in which you could use to check.

Game performance, on the other hand, is a different issue. As a general rule of thumb, I think it's something like: CPU dictates the fps, GPU dictates the graphical details. In practice it depends on the actual game. The APUs and CPUs available for the FM2+ motherboards will struggle with heavy CPU usage games, simply because they're not computationally as good as the Intel CPUs.

If I find a game too choppy, I drop down on resolution to gain an fps boost.
 
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Woodb022

Commendable
Aug 25, 2016
4
0
1,510


Ok I will try that out now.
If its any consolation, my partners pc is exactly the same. Same CPU and mobo but not having the same problems.
I know people will say "swap over the CPU and try that out" but trust me its not easy with someone like mine ;)

I just done the stability test and I also ran the CPU stress test using OCCT.
CPU thermal margin temps are 28c Max and 26.8c Min.
As soon as I stop the test the CPU thermal margin temps are back as they were earlier


 
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Obakasama

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There are other factors with game performance: RAM, GPU (the VRAM available), HDD (might need defragging), background software/processes (Ultra Street Fighter IV dislikes an open browser and frame rates drop drastically).

Swapping over CPU.... if one has the time and patience. All that cleaning and applying thermal paste...
 
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Woodb022

Commendable
Aug 25, 2016
4
0
1,510


You dont think I have a faulty CPU do you?
If thats even possible :p
Its just I have had this problem since my PC was built from a shop.
I even went back to them and told them the situation and they said my CPU is fine...........Well obviously it aint :p
 
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Obakasama

Distinguished
Apr 30, 2014
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193
18,090
From current evidence, no, I don't think the CPU is faulty. If it was I expect more than lag and a few BSoDs.

I would check as many of the software related aspects before trying to investigate the hardware directly. Diagnosing hardware is a lot more cumbersome and require expertise I (sadly) don't possess. (Not that it will prevent me from researching and passing on information...)
 
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Lifestyle_1

Commendable
Jan 29, 2017
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1,510
you need to watercool you'r CPU
because i have the same CPU
when i have fan cooled it's around 80 degrees with terrible termal throttel running at 4,1 GHz (stock clock: 3.7 GHz
i just installed a watercooling block and now my temp is 58 degrees on full load with 400 MHz overclocking and without terrible thermal throtteling
 
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