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Topic Title: Zalman CNPS7000A-Cu for a64
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Created On: 10/06/2003 07:37 PM
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 10/06/2003 07:37 PM
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vyse12012
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I was wondering if anyone is using this cpu cooler, and how good it is ..

I believe we can hit 2.4ghz with this cooler easy ?

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2k3 - 6316' ">http://service.futuremark.com/compare?2k3=886938 || 2k1 - 18245' ">http://service.futuremark.com/compare?2k1=6707749 || pcmark2k2' ">http://service.futuremark.com/compare?pcm=1349732 // MadOnion
 10/06/2003 07:38 PM
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Dave Graham
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i have one on requisition from Zalman for an upcoming review...

suffice it to say, i'm really anticipating that Thermaltakes Volcano 12 will be a good one too...

cheers,

dave

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 10/06/2003 07:38 PM
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Vegetto
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I thought that the guys over at TBreak were using this cooler, and with the CPU at 2.4ghz they were running about 39*C under load. Cant wait to see what Thermalright has in store for their A64 coolers..
 10/06/2003 09:46 PM
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vyse12012
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39°C @ 2.4 , that's awsome !!

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2k3 - 6316' ">http://service.futuremark.com/compare?2k3=886938 || 2k1 - 18245' ">http://service.futuremark.com/compare?2k1=6707749 || pcmark2k2' ">http://service.futuremark.com/compare?pcm=1349732 // MadOnion
 10/06/2003 09:49 PM
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Jackal05
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My temp is 20~30 C on a 1.8 GHz.

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 10/06/2003 09:51 PM
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vyse12012
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QUOTE (Jackal05 @ Oct 6 2003, 08:49 PM) My temp is 20~30 C on a 1.8 GHz.
what's the max o/c you achieved with that cooler jackal ?

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2k3 - 6316' ">http://service.futuremark.com/compare?2k3=886938 || 2k1 - 18245' ">http://service.futuremark.com/compare?2k1=6707749 || pcmark2k2' ">http://service.futuremark.com/compare?pcm=1349732 // MadOnion
 10/07/2003 01:21 AM
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StormPC
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QUOTE (vyse12012 @ Oct 6 2003, 03:37 PM) I was wondering if anyone is using this cpu cooler, and how good it is ..

I believe we can hit 2.4ghz with this cooler easy ?
I'm using the 7000Cu and I don't care for it much. It's pretty quiet but it doesn't cool good enough for me.

One thing you need to remember is that since the A64 has the memory controller onboard instead of in the NB of the chipset the CPU clock is not the only thing that causes the processor to make more heat. An increase in FSB not only raises the core clock but also the memory controller (as with all computers) and since it's on the chip it's more intense. Async CPU clocks are able to go much higher than sync on the A64.

With the Zalman I can bench at 228MHz sync (2280MHz CPU and 456MHz DDR) max, but I can easily run 240MHz async (2400MHz CPU and 400MHz DDR). At these clocks 2280MHz makes more heat because the memory is running so much faster. This is one of the drawbacks of having the controller on the chip. It is of course well worth it because of the increased efficiency however.

Just something to keep in mind.
 10/07/2003 01:29 AM
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SDA
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QUOTE (StormPC @ Oct 6 2003, 09:21 PM) QUOTE (vyse12012 @ Oct 6 2003, 03:37 PM) I was wondering if anyone is using this cpu cooler, and how good it is ..

I believe we can hit 2.4ghz with this cooler easy ? 
I'm using the 7000Cu and I don't care for it much. It's pretty quiet but it doesn't cool good enough for me.

One thing you need to remember is that since the A64 has the memory controller onboard instead of in the NB of the chipset the CPU clock is not the only thing that causes the processor to make more heat. An increase in FSB not only raises the core clock but also the memory controller (as with all computers) and since it's on the chip it's more intense. Async CPU clocks are able to go much higher than sync on the A64.

With the Zalman I can bench at 228MHz sync (2280MHz CPU and 456MHz DDR) max, but I can easily run 240MHz async (2400MHz CPU and 400MHz DDR). At these clocks 2280MHz makes more heat because the memory is running so much faster. This is one of the drawbacks of having the controller on the chip. It is of course well worth it because of the increased efficiency however.

Just something to keep in mind.
Odd.. most reviews indicate that this thing is on par with the SLK-900U.

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 10/07/2003 07:49 AM
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vyse12012
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this is weird because I think quad was using the 7000-cu when he got 25k in 3dmark2k1


what cooler would be better than this zalman for the a64 you think then storm ?

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2k3 - 6316' ">http://service.futuremark.com/compare?2k3=886938 || 2k1 - 18245' ">http://service.futuremark.com/compare?2k1=6707749 || pcmark2k2' ">http://service.futuremark.com/compare?pcm=1349732 // MadOnion
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