3770k high temps @3.9, undervolted

technobot

Junior Member
Aug 8, 2013
4
0
0
Hello, everyone! I'm hoping someone might have some tips for me.

I have a fairly modest system:

CPU: Intel 3770k (mild overclock to 3.9, offset is -0.160, voltage at load is ~1.08)
Mobo: Maximus V Formula
RAM: 4 x 4GB Corsair Vengenace 1866
GPU: EVGA GTX 570 SC
HDD : 1TB WD Black, 1TB Seagate Barracuda
SSD : Samsung 840 Pro
Case: Corsair 650D
Case Cooling: 2 x Coolermaster Megaflow 200 (front intake, top intake), 1 x Noctua NH-PF12 (rear exhaust)
CPU Cooling: Noctua NH-D14 (NF-A15 PWM, NF-F12 PWM)

At idle, with ambient temps ~25C, i get a range of 37-39 on core 1 and core 4, with core 2 and 3 in the high 20's low 30's.

When I do a blend of Prime95, i hit a maximum of ~70C on all four cores.

I can confirm the heatsink is mounted correctly, oriented correctly, with the fans blowing the "expected" direction (out the back). I am fairly confident at this point the thermal compound has been applied correctly (please see next point)

I have attempted to: Reapply TIM, reseat heatsink (I learned much during this process, and with the Noctua NT-H1 compound, a little really goes a long way!)

I did the reapplication about 6 times in the last two days... with high temps in the high 70's (used WAY too much TIM), I've kind of refined my method and I think it's being done right.

I have also attempted running a P95 load test with the side panel off... this doesn't help much at all, 1 or 2C at most, if anything)(

Questions for the experts:

1. I've heard the Corsair 650D is not an ideal air cooling case. As you can see, I've attempted to rectify this with better/quieter fans. Having said that, is another case warranted (thinking Carbide 540)... or would it be a waste (please see #2)

2. Since i tested with the panel off, and i saw almost no improvement, can I infer a new case won't help much (if at all)?

3. I upgraded the fans recently on the NH-D14 (the old fans were really dirty, replaced them while being cleaned). So it's been another bit of an investment in the NH-D14... would it be worth it to consider another cooler?

I thank you all for your time, and hope someone can point me in the right direction.
 

blackened23

Diamond Member
Jul 26, 2011
8,548
2
0
Your temps are fine, 70C is nothing to worry about with IVB. Heck, even up to 90C is fine during stress testing really..... Prime95 will increase your temps FAR more than real world applications will, if you get 70C in prime 95 - normal applications will be around 55C or more than likely a lot less.
 

technobot

Junior Member
Aug 8, 2013
4
0
0
Thank you very much, blackened! Much appreciated.

P.S. So getting the Carbide will be a luxury? Trying to convince my wife lol.
 
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