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Q9550 + H50, temps too high?

post #1 of 19
Thread Starter 
So I wanted to overclock my Q9550 a little higher. It was clocked at 3.4ghz. I managed to get it to boot into windows with a clock of 3.9Ghz and a vcore of 1.375. But it was not stable at all and also my temps were horrible. I had to lower my OC to 3.65 Ghz to even be able to pass a 10 minute small fft prime 95 test, at a vcore of 1.2875.
But my temps went to 90 °C! In 10 minutes! It would probably even go higher if I let it run. Isn't this a bit high for a H50 at this OC? I mean in every day use I'll probably not reach those temps but still ... I think 100 or 105 °C the CPU will starts to take damage if I recall correctly. I don't even wanna try out the Intel burn test :S
Now when idling, temps are around 45 °C and ambient temp is maybe 20-25 °C. Can't measure it atm.
Also I'm not really happy with my OC, I think I could achieve higher Ghz if the cooling was appropriate. mad.gif
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post #2 of 19
What are the load temps when at stock voltage?
post #3 of 19
Thread Starter 
Quote:
Originally Posted by d-block View Post

What are the load temps when at stock voltage?

Need to test that real quick.
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post #4 of 19
How is your H50 set up: rear exhaust, push/pull, intake, etc? Also, does your case have top fans? If so, what are their orientation?
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Bill Cosby
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post #5 of 19
Thread Starter 
Quote:
Originally Posted by Primus View Post

How is your H50 set up: rear exhaust, push/pull, intake, etc? Also, does your case have top fans? If so, what are their orientation?

My H50 is set up as an intake. I have 1 noctua nf-p12 (120mm) in front of the radiator blowing air inside the case, so no it's not push/pull. Then I have 1 intake at the bottom (140mm), 1 in the front (120mm) and 2 x 140mm exhaust at the top of the case. But I leave the side of my case open all the time because I always fiddle around something in my PC. I don't know if it's better to close the case for better airflow or if it's better to just leave it open temp-wise. I suppose open is better.

I have thought about push pull, but this would take up more space again and I would have to buy a new fan again :S Also I don't know if it would really make a difference temp-wise. What I also suspect of giving me bad temps is that I think my Cpu is too concave. 1 core can be up to 10 °C lower in temps. I'm not sure if it is because of the concaveness or just some temperature measuring error or just normal. I have thought about lapping it, but not done so because I have never done this and I don't wanna destroy it or make it even worse.

edit: why do they even make their cpu's concave? or does Intel just not care for a perfectly flat surface because it doesn't matter on stock settings with a stock cooler and they can save money in the production process?
Edited by Margou - 12/1/12 at 10:25am
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by Margou View Post

Need to test that real quick.

Ok stock voltages and frequency temps are as follows:

Ambient was about 21 °C in all cases.

Idle temps:
core0,core2,core3 at ~40 °C
core1 at ~30 °C

Load temps (p95 small fft test for 20 minutes):
core0 65°C
core1 57 °C
core2 61 °C
core3 61 °C


My CPU's VID is 1.225V btw
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post #7 of 19
If you have side fans, it's always better to leave the side on as it could disrupt your case's flow. You should really think about getting another fan for push/pull. On my setup, it reduced temps by 5C at load. I mean, it's not much, but if you're trying to max out your CPU speed, 5C is crucial.

After trail and error testing, I have found the optimum configuration for my system, and it might work better than your current setup. Check it: have your front, top, side fans as intakes, and your H50 in the rear with push/pull as an exhaust. That way your mobo, GPU, HDDs, and other hardware receive cool outside air, and your H50 receives cool air and exhausts it out the back. My GPU also exhaust warm air produced by it through the back.

Give this setup a shot, it might work for you, as well.
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Bill Cosby
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post #8 of 19
Thread Starter 
Quote:
Originally Posted by Primus View Post

If you have side fans, it's always better to leave the side on as it could disrupt your case's flow. You should really think about getting another fan for push/pull. On my setup, it reduced temps by 5C at load. I mean, it's not much, but if you're trying to max out your CPU speed, 5C is crucial.
After trail and error testing, I have found the optimum configuration for my system, and it might work better than your current setup. Check it: have your front, top, side fans as intakes, and your H50 in the rear with push/pull as an exhaust. That way your mobo, GPU, HDDs, and other hardware receive cool outside air, and your H50 receives cool air and exhausts it out the back. My GPU also exhaust warm air produced by it through the back.
Give this setup a shot, it might work for you, as well.

To be honest, I have also thought about arranging my H50 as exhaust but official Corsair data suggests that intake is always better temp wise (for the CPU temp that is of course). That's also what most people reported in the forums if I recall correctly. The problem with your setup in my opinion is that it takes hot air from the inside of the case to cool the CPU. Air inside the case will never be cooler but most likely be hotter than the air surrounding the case, hence not being as efficient (at least in theory). Of course your setup sounds beneficial to other components and the overall temp inside the case (because you don't blow the air that's blowing over the radiator insidie the case, heating it up) but since my main concern is my CPU I don't think it would benefit me much or even make it worse.

The additional fan for push/pull might make a difference though. But my CPU already reached 90 °C in 10 minutes small fft test. I don't know how high they'd get if I did test for a longer time! I'm not sure if I can operate it with such temps for every day use even if a push/pull would decrease the temps a little bit. It's still too high imo.

But do you guys think the temps I got are normal or is there some bigger problem here? Because I think 90 °C at that voltage and OC is kind of high.
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Intel SSD X25-M G2 WD Velociraptor WD3000HLFS WD Caviar Blue 5000 AAKS Windows 7 x64 
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post #9 of 19
Sounds like a bad mount, unmount it clean everything off, reapply tim (the intiial tim it comes with is very good but they put WAY too much on) and remount it. Make sure the screws are applying even pressure by turning them in a diagonal pattern ( top right screw, then bottom left, top left, bottom right etc etc).
post #10 of 19
Thread Starter 
Quote:
Originally Posted by NomNomNom View Post

Sounds like a bad mount, unmount it clean everything off, reapply tim (the intiial tim it comes with is very good but they put WAY too much on) and remount it. Make sure the screws are applying even pressure by turning them in a diagonal pattern ( top right screw, then bottom left, top left, bottom right etc etc).

So you think the temps are too high for the H50? Well I already did this like 2 times already but it didn't help too much. Might try it again though. The TIM I used is arctic silver 5. I still have this tube. But it's pretty old (several years). Do they get worse over time or is it just fine? There is no expiration date on it XD
But since I already tried to reseat it several times some time ago and it didn't give me better temps really, could it be that my CPU is just too concave to make good contact with the cooler?
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Hard DriveHard DriveHard DriveOS
Intel SSD X25-M G2 WD Velociraptor WD3000HLFS WD Caviar Blue 5000 AAKS Windows 7 x64 
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