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Old 10-18-2007, 04:02 PM   #11 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

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What's the difference between MX-2 and Arctic Silver 5?
Arctic Cooling's MX-1 and 2, are a bit better than AS5. MX-2 is probably the current leading TIM....well...behind Liquid Pro.

Refer to my Battle of the Thermal Pastes link, below my sig.
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Old 10-18-2007, 04:04 PM   #12 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

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Arctic Cooling's MX-1 and 2, are a bit better than AS5. MX-2 is probably the current leading TIM....well...behind Liquid Pro.

Refer to my Battle of the Thermal Pastes link, below my sig.
nobody looks at the Sticky's anymore do they.....
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Old 10-18-2007, 07:27 PM   #13 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

Andyf

I saw you're using an Ultra 120 Extreme too. What kind of temps are you getting?
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Old 10-18-2007, 07:39 PM   #14 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

well, I run a q6600, g0 stepping, overclocked. Idle it runs at core temps of around 30/30/24/24 in ambient 20* temp. Loaded, perhaps 60/60/50/50 (prolly partially due to imperfect seating of the the thermal paste/ heatsink and partially due to the core useage). Reading around, this kind of discrepancy between cores doesn't seem to be uncommon.
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Old 10-21-2007, 03:04 PM   #15 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

I reseated the heatsink (Termalright Ultra 120 Extreme). I spread a very thin layer of grease on the processor, and seated the heatsink.

My temps are still about 47C at idle in room with a comfortable ambient temp (don't know exactly, but probably around 75F).

Any thoughts on why the high idle temps?
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Old 10-21-2007, 03:16 PM   #16 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

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Originally Posted by TheMaestro View Post
I reseated the heatsink (Termalright Ultra 120 Extreme). I spread a very thin layer of grease on the processor, and seated the heatsink.

My temps are still about 47C at idle in room with a comfortable ambient temp (don't know exactly, but probably around 75F).

Any thoughts on why the high idle temps?

What thermal paste did you use?

What is your ambient room temperature?
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Old 10-21-2007, 03:48 PM   #17 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

I'm no pro but maybe the surface of the TRUE and the CPU just don't match up right. (concave-concave/convex-convex). Just an idea. Flip the true upside down and balance the processor on top, stick a light behind em. Maybe you should look into lapping them both. Pictorial HSF+IHS lapping guide! (check this out if you're thinking about lapping) - Overclock.net - Overclocking.net
great lapping guide.

Did you clean off the old paste before re-applying? (sorry if obvious, just askin)
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Old 10-21-2007, 03:56 PM   #18 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

Quote:
Originally Posted by TheMaestro View Post
I reseated the heatsink (Termalright Ultra 120 Extreme). I spread a very thin layer of grease on the processor, and seated the heatsink.

My temps are still about 47C at idle in room with a comfortable ambient temp (don't know exactly, but probably around 75F).

Any thoughts on why the high idle temps?
what thermal paste did you use??
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Old 10-21-2007, 04:25 PM   #19 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

I think the ambient room temperature is around 75F. It's not too hot and not too cold with a Tshirt.

I used Arctic Silver 5. No lapping. Yes, I cleaned off grease with thermal paste remover before reseating.

BTW, thermal case management has slight negative effect. When I take the side panel off, it lowers the CPU temp by 2C. I cant mod the case, in case you're gonna suggest it. =)
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Old 10-25-2007, 08:17 AM   #20 (permalink)
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Default Re: Temps for Q6700 vs. QX6850

Andyf,

My load temps are similar but slightly higher than yours (about 65C/55C/54C/62C after 10 minutes of Prime95), but your idle temps are 10C-15C lower than mine (46C/40C/36C/43C). The temps do fluctuate some. I have seen 2 of the cores spike up to 70C, but it's not all the time.

My question is whether my load temps on the two higher cores is 100% safe, and whether spiking above 70C occasionally will affect the CPU?

For those following the thread, I already reseated the CPU with arctic silver 5. Thanks.

Please comment.
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