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post #21 of 29
Quote:
Originally Posted by kevg73 View Post
im not saying 10c drop is bad at all... im jst saying people have seen insane 20+ drops with other coolers
Friend just phoned back ...

He's on a biz trip to the east coast at the moment and his machine is here in TX ... so he can't run any benchies for you.

But he did say the ND1 dropped his load temps 15C over the stock 7950 KO cooler ...

He also said this was with stock clock speeds; he has not overclocked the card beyond it's defaults.

If I were you ... I'd try the ND1 first ... it's got a much larger fan than the Iceberq ... although I think either would suit your needs.
    
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post #22 of 29
Thread Starter 
yeah that is what i was thinking... i'll go with the nd1 if i get the chance... thanks for all the help
post #23 of 29
I doubt the Icerberg does near as well as a VF900.

I have a Fatal1ty FC-ZV9, which is basically a VF900 that looks nice .

Anyways, it dropped my load temps by abotu 25C. And anwyays, why wouldn't it cool a lot better than the iceberg? It's got an 80mm fan vs. a 45mm fan, and it has a lot more room for air flow.

I think your best bet is to get a decent fan VGA fan like the VF900, and get a 120mm case fan to put in the hardrive bay. That should blow a lot of the hot air out of the case.
    
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post #24 of 29
Thread Starter 
okay first of all the hard rive bay is on the other side of the case and that fan is used for intake, not exhaust. without a way to exhaust the air from the vf900 all the other parts of the computer will heat up. and btw fan size has very little to do with the performance of the cooler... there are 120mm fans that dopnt work as well as the stock intel 80mm fan.
post #25 of 29
Typically, fan size has everything to do with it. 2 fans with identical fin designs, identical speeds, but different sizes, will have a huge difference in performance. Bigger size of the fan means it will push more air, and therefore produce more airflow.

And as for the intake fan I was talking about, it will help the exhaust. See, if you intake more air through the front of the case, it increases the air pressure in the case. When the air pressure in the case gets high, the air will be forced out the exhaust. So the more air you intake, the more air you exhaust.
    
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post #26 of 29
Quote:
Originally Posted by ex0du5 View Post
I doubt the Icerberg does near as well as a VF900.

I have a Fatal1ty FC-ZV9, which is basically a VF900 that looks nice .

Anyways, it dropped my load temps by abotu 25C. And anways, why wouldn't it cool a lot better than the iceberg? It's got an 80mm fan vs. a 45mm fan, and it has a lot more room for air flow.

I think your best bet is to get a decent fan VGA fan like the VF900, and get a 120mm case fan to put in the hardrive bay. That should blow a lot of the hot air out of the case.
I'm just going by the reviews. The guy who did the iceberq review was a VF-900 owner. He said same temps ... with a 1 degree advantage for the iceberq at idle. He also said his system/cpu temps dropped a couple degrees.

Regarding your 25C drop ...

There's a gazillion VF900 reviews out there and most report a 8 to 10 C drop over stock coolers. Just search on "VF-900 review" and read for yourself. So a report of a 25C drop, at least concerning just about every online review ... is certainly a relative and isolated case.

    
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post #27 of 29
Thread Starter 
Quote:
Originally Posted by ex0du5 View Post
Typically, fan size has everything to do with it. 2 fans with identical fin designs, identical speeds, but different sizes, will have a huge difference in performance. Bigger size of the fan means it will push more air, and therefore produce more airflow.

And as for the intake fan I was talking about, it will help the exhaust. See, if you intake more air through the front of the case, it increases the air pressure in the case. When the air pressure in the case gets high, the air will be forced out the exhaust. So the more air you intake, the more air you exhaust.

by fan i was refering to the whole heatsink including fan... just because the vf900 has a bigger fan doesnt mean it is more effective because it is a totally different design from the nd1... if they were the same kind of cooler and one had a bigger fan then the one with the bigger fan would be better, but that doesnt apply to this situation

and i already have an intake fan in the front of my cae... and another intake on the side of my case. as well as exhaust fans at the back and on the top
post #28 of 29
k well just so you know my temps:

My XFX 7950GT (stock 570/720) OC'ed @ 663/850 runs at 60C under full load. I was pretty impressed, as stock cooler, OC'ed @ 620/750 ran at 85C under full load.
    
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post #29 of 29
Thread Starter 
wow... xfx stock coolers must really suck... my card oc'ed to 625/810 load at like 70-75
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