Hot CPU socket?

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croppy106

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Aug 12, 2014
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Hey there, Ive tried overclocking my 8350 to 4.5 ghz at 1.4065v, but have failed, as my socket temp goes to 76c and my cpu will throttle in prime95. I decided to put it back to 4ghz with turbo and all the power saving options off, with voltage set to 1.375. However I notice even then, at 4ghx my socket temp gets high in prime95, maybe its an issue with the motherboard, any thoughts?
Specs:
AMD 8350 with hyper 212 evo
Asus m5a99fx pro r2.o
gskill 8gb ripjaws 1866mhz
corsair hx850 psu
2tb seasonic hybrid drive
Msi gaming 6g 980ti
rosewill blackhawk with 3x 120mm front intake, 140mm top rear exhaust, 120mm rear exhaust (all "upgraded" to coolermaster fans)

any help is appreciated
 
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geofelt

geofelt

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Prime95 and IBT are not realistic stress testers. They use instructions that generate more heat.
Try stressing with OCCT which uses more normal instructions.

How well you can OC a FX-8350 is determined by your luck in getting a good chip.
The high numbers you might see are posted by those with good chips.
Those with dog chips will be silent.

Your motherboard is very good for overclocking.
If you want more, then perhaps a better cooler like a Noctua NH-U14c might be better.
 
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croppy106

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Hello, thanks for reply. Yeah I understand its not a great cooler, I honestly just wanted to see if I could hit a stable, yet warm oc, then upgrade to a noctua nh-D15 cooler, I'm using open hardware monitor.
 
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croppy106

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Aug 12, 2014
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Would using a better cpu cooler help drop socket temps? because right now, socket temps seem to be the issue.
 
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Flamefly

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Jul 23, 2016
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I have heard with the FX-8xxx series that a fan blowing on the rear of the motherboard socket (as impratical as it might be), or across the base of the cooler (may not work with the stock cooler), helps significantly with socket temps. I've tried it personally just holding a 120mm fan and the results are very visable, I just have yet to find a good way to mount a fan to either spots...
 
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croppy106

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My case has a spot for a fan behind socket, id have to get a thin one though. I've come to realize now that my socket is like 15c hotter than my core temps, so I guess its understandable that when at 4.5ghz and 60c core temp, that my socket gets up to high 70's and throttles the cpu. If i got a nh-d15 and got a fan behind mobo, i could probably get to 4.7ghz and keep cores to low 50 when stress testing, and hopefully keep socket temp down along with the core temp.
 
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JCLDJB

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May 24, 2016
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I have the 212 Evo (albeit with an A8-7650K 3.3Ghz) overclocked to 4.2Ghz @ 1.4v.
After running Prime 95 I maxed out at 51C, whereas I got up to 65C-70C on stock cooler before.

I could be wrong but seems to me there may be an issue with the heatsink and/or the Thermal Paste applied between the cooler & CPU for it to run that hot.

(But then again, I don't have an FX cpu, but you said "any help is appreciated") :)

Did you build it yourself or was it pre-built?
 
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croppy106

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I built it with a friend 2 years ago, but have since then, about 7 months ago, went from a 970 chipset mobo to 990, which involved taking the cpu cooler, on and off, but I'm pretty sure its on correct, i cleaned old thermal paste off with 97% isopropyl alcohol, and used small dot of paste (arctic silver) in center of cpu and reinstalled cpu cooler with new motherboard.

 
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JCLDJB

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May 24, 2016
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Can't fault anything you've done.
Seems like replacing the cooler would be the next logical step.

One last question: Did you always have temps that high for the full 7 months since last installation or did it slowly creep up?

If I was in your position, I'd buy/try an alternative cooler, try it on, check the temps, if no different, send it back for a refund.
If it does improve temps then keep it. :)
But before going straight for the purchase, I personally would try to re-apply the Thermal Paste just in case.
If for whatever reason this does help, then you'd save yourself from having to purchase a new cooler.
Also the fan at the rear is cumbersome but effective, especially for socket temps - worth a shot.

The 2 things only take time and minimal cost, worth trying before going for the Noctua upgrade.

But if money really isn't an issue, go straight for the upgrade, you did so with the mobo, seems only fair to scale up the cooler as well.

Hope this helps - best of luck!

(BTW: If you're base in the UK, ebuyer have some good products {they are my go-to for parts})
 
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JCLDJB

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I just thought of another idea, either adding a 2nd fan on the 212 evo to have [Push Fan|Cooler|Pull Fan]
Or if you have a side case fan, using a 90 degree airduct to direct airflow through the side.

Both methods will increase airflow through the cooler significantly, resulting in lower temps.

Keep us posted - hope you find a solution!
 
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croppy106

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Aug 12, 2014
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I probably should have said this sooner, but I did try zip tying a amd stock fan on vrm (intake), and took mobo side panel off and mounted fan (intake) to back of socket, it did help, but socket temps were still in high 60's when at 4.5ghz 1.4065v, and plus the setup seemed kinda ridiculous and not practical for me, so I took them off haha. Now the real problem is I don't really monitor temps that much, only when stress testing or benchmarking, the cpu stays below 40c gaming, I just think 4ghz at 1.375v is kinda strange to have the temps i posted in that pic while using prime95. Though this basically the first time I also prime95'd on stock settings (since I turned off all the power saving crap, I wanted to be sure I was still A-OK at 4ghz, which it passed for 8hrs)
 
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JCLDJB

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Cable management isn't the issue.
The only way I can see the improving of your current set-up (without changing the CPU cooler) would be to add a 2nd fan on the other side, to get a push/pull configuration.
Do you still have the 2nd pair of clips that came with the 212 Evo?
Strap on a nother 120mm there and see what you get.
Other than that, looks like a normal setup.

Also if you're only getting 40C when gaming, and that it is the stress testing which is straining your system, think of it this way, is gaming the most intensive thing you do with your PC? Any video editing, 3d modelling or other demanding tasks?
If not, then don't worry about it, stress testing will definitely straining your CPU and unless you know you'll be pushing that hard.
Also you can get a discrete temp app permanently on your desktop if you are worried about temps suddenly spiking.
Other than that, an upgraded cooler makes the most sense.

This is just my personal opinion but, if I was in your position, I'd remove some of the empty drive bays to improve the intake airflow, 2nd fan on CPU cooler, re-apply thermal past and if all that fails, replace cooler.

But it's your PC, your build, and entirely up to you! (nice build, by the way...)
 
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croppy106

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poRudYgDj

Yeah I see your point on the drive bays, but they don't effect the cpu as you can see, the one fan has a straight shot to the cpu cooler. (I need to dust pc again, but its not as bad as pics makes it look) Thanks for compliment btw, I truly do like my build. I think Im just going to get a noctua, because either way, I want a higher OC (4.7ish) than the hyper 212 can handle. Once I get a noctua nh-d15 installed, I'll post results :)
 
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