AMD XP Aircooling - Heatsink Roundup August 2004 - Page 2

26th September 2004, 00:29

could anyone tell me how the outcome would be if you used high performance fans (delta's for example) ?

Sidney · 26th September 2004, 01:18

More air movement with high speed fan = increase heat exchange rate = lower temp

26th September 2004, 03:59

yeah but with heat pipes, things can turn out slightly different.

take the sp-97 for example, with low speed / quit fans, it performs quite well but a lot of heatsinks do so aswell but it's not untill you use high cfm fans that the sp-97 shines. Then, it really stands out and others fall behind.

I'm concidering buying a new high perf Axp heatsink but I would rather not buy 3 or 4 heatsinks to test wich one is best because I will end up loosing quite a bit of money since I'll only be using one and sell of the rest with some loss.

Now I know the sp-97 does great but what about those towers, will they perform up to par with the sp-97 or will they linger behind as the do in the review with the fan speed on high.

jmke · 26th September 2004, 11:57

uhm in the test I used a 80mm fan which spins at 4600rpm @ max speed, not too bad and quite loud, you won't see much difference with a super loud delta though

about the DP-102 being a core crusher, had no problems installing it, plug & play.

26th September 2004, 13:14

so basically, the sp-97 remains the king in Axp air cooling.

Sidney · 26th September 2004, 13:17

Well, when the max coefficient of the heatsink is reached with the max air flow; any higher will become diminishing return. Similar to increasing vcore in overclocking.

jmke · 26th September 2004, 13:23

Quote:

Originally posted by kristos
so basically, the sp-97 remains the king in Axp air cooling.

in the high noise category, yes, but focus have shifted more towards silent cooling for some time now

26th September 2004, 13:26

but that hasn't been tested if it's even possible to reach that point with what we have at our disposal. Perhaps the sp-97 is more efficient then the rest but perhaps the (bigger) towers can dissipate heat beyond a point where the sp-97 already reached the end if it's capabilities...

only way to find out is to test it, maybe when I have a fair amount of "cashflow" going on

jmke · 26th September 2004, 13:33

what are you talking about?

26th September 2004, 13:45

lazyman was talking about that there is a point where you hit a wall and more air displacement won't decrease your temps anymore, or at least not significantly.

I was merely wondering if this "wall" lies higher - so to speak- for those big tower coolers then it does for the sp-97

26th September 2004, 01:18	#12
Sidney Member Join Date: Mar 2004 Posts: 15,738	More air movement with high speed fan = increase heat exchange rate = lower temp __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

26th September 2004, 11:57	#14
jmke Madshrimp Join Date: May 2002 Location: 7090/Belgium Posts: 79,021	uhm in the test I used a 80mm fan which spins at 4600rpm @ max speed, not too bad and quite loud, you won't see much difference with a super loud delta though about the DP-102 being a core crusher, had no problems installing it, plug & play. __________________

26th September 2004, 13:17	#16
Sidney Member Join Date: Mar 2004 Posts: 15,738	Well, when the max coefficient of the heatsink is reached with the max air flow; any higher will become diminishing return. Similar to increasing vcore in overclocking. __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

26th September 2004, 13:33	#19
jmke Madshrimp Join Date: May 2002 Location: 7090/Belgium Posts: 79,021	what are you talking about? __________________

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26th September 2004, 00:29	#11
kristos Posts: n/a	could anyone tell me how the outcome would be if you used high performance fans (delta's for example) ?

26th September 2004, 03:59	#13
kristos Posts: n/a	yeah but with heat pipes, things can turn out slightly different. take the sp-97 for example, with low speed / quit fans, it performs quite well but a lot of heatsinks do so aswell but it's not untill you use high cfm fans that the sp-97 shines. Then, it really stands out and others fall behind. I'm concidering buying a new high perf Axp heatsink but I would rather not buy 3 or 4 heatsinks to test wich one is best because I will end up loosing quite a bit of money since I'll only be using one and sell of the rest with some loss. Now I know the sp-97 does great but what about those towers, will they perform up to par with the sp-97 or will they linger behind as the do in the review with the fan speed on high.

26th September 2004, 13:14	#15
kristos Posts: n/a	so basically, the sp-97 remains the king in Axp air cooling.

26th September 2004, 13:26	#18
kristos Posts: n/a	but that hasn't been tested if it's even possible to reach that point with what we have at our disposal. Perhaps the sp-97 is more efficient then the rest but perhaps the (bigger) towers can dissipate heat beyond a point where the sp-97 already reached the end if it's capabilities... only way to find out is to test it, maybe when I have a fair amount of "cashflow" going on

26th September 2004, 13:45	#20
kristos Posts: n/a	lazyman was talking about that there is a point where you hit a wall and more air displacement won't decrease your temps anymore, or at least not significantly. I was merely wondering if this "wall" lies higher - so to speak- for those big tower coolers then it does for the sp-97