Accidentally ran my CPU at 80 degrees

TahaCRS · Dec 17, 2014

Hello,

I bought a new CPU (AMD FX-6300) after my old one broke. Same CPU. I attached my water cooler to it but I was stupid enough to completely forget to plug the CPU fan cable into the actual 4-pin. So I was getting poor performance which I found weird so I checked my system specifications and temperatures. My CPU has been running at 81 degrees Celsius. I know for a fact that this is really, really bad. Luckily enough I turned my computer off right away and let my whole case cool. Now it's down to a stable 50 degrees Celsius. Everything works fine but I was wondering, what are the consequences for my CPU? It's been running without a cooler for 5 or 6 hours maybe.

As far as I can see, everything works just fine again but will my CPU break sooner or melt sooner or something among those lines?

Jetster · Dec 17, 2014

Your fine. 80c is not that hot

TahaCRS · Dec 17, 2014

Hey, thanks for replying! Are you sure? I've searched for likewise problems on Google and everyone kept saying that even 70 C is terrible and that it should never happen. I bought this CPU brand new today and am afraid I just broke it (again) even though everything works fine. Is there a way I can benchmark it or something to make sure everything is still cool and smooth?

Jetster · Dec 17, 2014

CPUs will throttle when they get too hot bringing the temps down. Yes I'm sure. If you get to 105c then we'll talk

Kursah · Dec 17, 2014

+1, no worries man. You're fine. :toast:

Tallencor · Dec 17, 2014

Jetster said:
Your fine. 80c is not that hot

Kursah said:
+1, no worries man. You're fine.

I have to agree, because it's true

digibucc · Dec 17, 2014

70c+ is hotter than i think any of us would want to run for an extended period of time(months), just because it's NOT optimal and it's not hard to get a better temperature ( sub 60c). It could shorten the life if you run for a long time at 85c+. but that doesn't invalidate anything they've said before me - your cpu will throttle if it's in danger and 80c will have no noticeable consequence.

Mathragh · Dec 17, 2014

I wouldn't worry, modern CPU's like yours have a built in protection mechanism that protects them against temperatures that would otherwise harm the CPU.

If you would run your CPU at 80 degrees for prolonged times, chances are its lifetime might be reduced(but in all probability not even noticable).

What you did however isn't a problem at all. To be honest, I think something similar happened to a lot of the forum members here (as a result of our hobby

) and I haven't seen a single story of someone killing their CPU that way.

qubit · Dec 18, 2014

+1 to everyone told you on here, don't worry, you didn't do any lasting damage to it in a few hours.

It still had the heatsink on it and reached a stable temperature that was high, but not that high to hurt it in just a few hours.

I have a true story. Back in 2000 (yes, a whole 14 years ago...) I had a Cyrix 333MHz system. One time I completely forgot to put the heatsink on the CPU and ran it. After a while I noticed a funny smell and the PC became unstable. I realized what I'd done, put on the heatsink (thermal paste was optional back then!) and carried on like nothing had happened. The CPU never failed me despite this ordeal. So yeah, don't worry.

TRWOV · Dec 18, 2014

I've only killed one CPU, a Coppermine Celeron, from voltage overdose

As stated, modern CPUs have several thermal failsafes built in.

ThE_MaD_ShOt · Dec 18, 2014

you are running 50c under water? Now Thats a little warm for being under water. My oc'd 8350 under full load doesn't get over 35c.

Tallencor · Dec 18, 2014

ThE_MaD_ShOt said:
you are running 50c under water? Now Thats a little warm for being under water. My oc'd 8350 under full load doesn't get over 35c.

Must be under "some" kind of load. Nice catch T.M.S. :toast:

Lets hope that's the case.

Jetster · Dec 18, 2014

Probably a AIO

ThE_MaD_ShOt · Dec 18, 2014

Jetster said:
Probably a AIO

Mine is under a H100i.

Jetster · Dec 18, 2014

ThE_MaD_ShOt said:
Mine is under a H100i.

What kind of load? And what clocks? That's way low for a H100

ThE_MaD_ShOt · Dec 18, 2014

100% load 24/7 365 crunching. At 4.4. The only time it isn't under 100% load is when I am gaming.

Sasqui · Dec 18, 2014

I'm curious about how the old one "broke"

81c is nothing.

Tallencor · Dec 18, 2014

ThE_MaD_ShOt said:
100% load 24/7 365 crunching. At 4.4. The only time it isn't under 100% load is when I am gaming.

Same usage situation here but 63-65 @4.3 on a 212 evo.

ThE_MaD_ShOt · Dec 18, 2014

Tallencor said:
Same usage situation here but 63-65 @4.3 on a 212 evo.

Damn I was around 45 to 50 when I was using a hyper 212+

Tallencor · Dec 18, 2014

ThE_MaD_ShOt said:
Damn I was around 45 to 50 when I was using a hyper 212+

Oddly enough it's cooler in my place in the warmer months because the wife likes to put 1 stick of wood in the fire every 10 seconds. Your + status on the cooler has to account for no less than 1 degree as well.

What happened to the o.p.? @TahaCRS How are you making out?

Jstn7477 · Dec 18, 2014

A Phenom II 720BE I had once ran passively for a while on a tower cooler at about 70c (fan fault), and was fine. I know AMD CPUs supposedly can't operate near the temperature thresholds Intel CPUs can handle, but I also have a mobile Phenom II X920 that has been running between 65-80c 24/7 (temperature depends on when the heatsink clogs up, I have to spray compressed gas in there every few weeks) and zero problems after 4 years.

peche · Dec 18, 2014

@ThE_MaD_ShOt : So your h100i keeps your FX 8350 processor under 50c even at full load… all the time?

Jetster · Dec 18, 2014

peche said:
@ThE_MaD_ShOt : So your h100i keeps your FX 8350 processor under 50c even at full load… all the time?

When crunching I think it what he is saying. That was what I was asking about. How about prime 95 Mad Shot ?

ThE_MaD_ShOt · Dec 18, 2014

Jetster said:
When crunching I think it what he is saying. That was what I was asking about. How about prime 95 Mad Shot ?

Wcg is my prime95. Lol. It stress the cpu enough as it runs all 8 cores 100%. When I get sometime over the weekend ill run prime95 on it and see where the vCard temps are. I don't anticipate to much difference.

Peche, yes it keeps the cpu below 35c under load. I have to see what the idle temps are. It's like 18 or something.

I'll try and post some screen shots tonight when I get home of idle and load temps.

peche · Dec 18, 2014

ThE_MaD_ShOt said:
Peche, yes it keeps the cpu below 35c under load. I have to see what the idle temps are. It's like 18 or something.

I'll try and post some screen shots tonight when I get home of idle and load temps.

dude which thermal paste / compound are you using?
I would like to get those temps on my i7... using my water 3.0 Pro

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Accidentally ran my CPU at 80 degrees

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