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Sapphire x850 XT Dissapointed Overclocking - Page 3

post #21 of 25
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A comparison review I read. Ill look it up again.. might take some time to find it. The card cooled a slight bit better (talking like 2c or something.) And the noise was less (measured in sone). Ill update when I find it again. The fact still remains that the silencer helps ambient case temps as it expels the heat out the back of the case.

Blah, I can't find it again. But I still say the Silencer is better. Especially for the RAM.
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post #22 of 25
Not one to argue, but, I seriously doubt that the Arctic cooler can out perform the Zalmans in the cooling/noise balance. But i maybe wrong.

At 580MHz Core/580Mhz Memory I get the following temps with the cooler at 2100RPM (silent)

Case temp 25*C
Idle 27*C
Load 49*C

This is also with the AGP voltage running at 1.65v (0.1v above stock)

2*C above ambient. The case fans expell a lot more air than those Arctic coolers can shift
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post #23 of 25
Quote:
Originally Posted by Xavier1421
I feel the need to mention that memory speed is more important (has more performance effects) than core speeds.
this is also true - that is why you really need to keep good airflow through the case and have good ramsinks on those memory chips.
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post #24 of 25
Both memory and core speeds are equally important, what good is really fast memory if the core can't keep up reading and writing to it?

I prefer the AC ATI Silencers over the Zalman GPU coolers because they shoot the hot air out the back, and are lighter, but they both do a great job either way.

Oh and I thought I'd mention, the AGP voltage won't effect your cards temperatures at all, won't increase clock speeds either, but it could make the motherboard run hotter.
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post #25 of 25
Quote:
Originally Posted by CowBlazed
Both memory and core speeds are equally important, what good is really fast memory if the core can't keep up reading and writing to it?

I prefer the AC ATI Silencers over the Zalman GPU coolers because they shoot the hot air out the back, and are lighter, but they both do a great job either way.

Oh and I thought I'd mention, the AGP voltage won't effect your cards temperatures at all, won't increase clock speeds either, but it could make the motherboard run hotter.
I have an AC silencer on my desk (it's supposed to be for my brother's x800 but... you know ) and the question that's bugging me is if they still have that little 1/2" gap between the end of the plastic enclosure and the case. The earlier AC Silencer models had this gap which totally rendered useless there "direct exhaust" technique; this was one of the main reasons I hated the AC Silencers. I still think the vf700 is better than the Silencer because the vf700 has its fins exposed which can also be cooled by the cool air inside the case. Since the Silencers use a "closed" system the only thing that can cool the fins is the fan itself. Of course this depends on your particular case. If you have great airflow go with the vf700/vf900, since in my opinion the Silencers will do better in a more air-restrictive case. I'm no thermodinamics expert so I could be wrong...
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