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Offline MDR  
#1 Posted : Thursday, October 31, 2002 1:48:39 PM(UTC)
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Is heatsink with thermal resistance 0.54 C/W better than one with
0.64 C/W ? What this actually means in real World (use) and figures?
Offline clee  
#2 Posted : Monday, November 4, 2002 8:13:06 PM(UTC)
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Quote:

Originally posted by MDR
Is heatsink with thermal resistance 0.54 C/W better than one with
0.64 C/W ? What this actually means in real World (use) and figures?



Yes it's better...

The lower the better. In layman term, it represents the efficiency of (1)heat dissipating material to conduct heat, (2)median in carrying it away and (3) the contact surface area.

e.g. Copper is better than aluminum, Water is better than air, P4 stock cooler > AMDs stock one because of larger contact area.

When U OC a cpu, C/W is gonna go higher as it releases more heat and when U induce more voltage, itll manifest it MUCH further & thats why better heatsinks ( thermal cond.) and better fans ( median) are reqd to dissipate the extra heat.

facts:
Contact area doesnt do much in the fomula of C/W because U wont be able to change the die size.

Thermal conductor.Copper is most comm0nly used in air, h20 or extremely cooling. Silver gives 1-5%( dont remember exact #) c/W but at 3 times the price

Median- Now this is the 1 area U can pay alotsa attn to in PC cooling. Water is waaaay more efficient than air in carrying heat but only goes as low as the ambient temp. but in reality it will still be several C above ambient for a top notch set up. To really bring C/W down U have to go to sub-zero cooling peltier, bong, vaporchill & the like.
Offline Adaptor  
#3 Posted : Monday, November 4, 2002 9:35:48 PM(UTC)
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What should the Temperatures in the case; CPU, Chassis, and Ambient?

My CPU is 42*C and my chassis is 35*C.
IS that good/Bad?

All I'm running is a couple fans.

let me know

Adaptor
Offline johnhatesregist  
#4 Posted : Tuesday, November 5, 2002 10:22:37 AM(UTC)
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From what I've seen here that is better than the average or where your temps should be.

I also think you mentioned that these temps your listing are under full load? If my memory is correct then I believe your temps are not just below the 'avergage' range but pretty dang good.
Offline clee  
#5 Posted : Tuesday, November 5, 2002 7:29:00 PM(UTC)
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ambient temp = your room temp.

yes...your cpu temp is very good if it's the load temp.
Offline MDR  
#6 Posted : Thursday, November 7, 2002 7:48:54 PM(UTC)
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Thanks to clee2000 for detailed explanation.
Offline Kryglower  
#7 Posted : Monday, May 19, 2014 7:03:51 AM(UTC)
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What I read I really liked it. Thank you for your information!

Offline StaticFX  
#8 Posted : Monday, May 19, 2014 8:29:15 AM(UTC)
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why are you digging up all these old posts?

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