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Watercooled GTX 590 vs HD6990

post #1 of 31
Thread Starter 
Hey guys I'm considering to buy one of these cards and go with watercooling.
Which one is the better for the overclocking with watercooling ?
Can you guys give me a good advice ?

Perry
(Sorry if this is in the wrong section.)
Edited by Hoesa - 3/26/11 at 7:18am
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post #2 of 31
The 590 has problems with higher voltages
post #3 of 31
The GTX590 seems to be stuck at around 775Mhz and has problems handling higher voltages. It has no use with watercooling yet, except for noise levels offcourse but thats allready good with the GTX590

For you i would recommend the HD6990, atm the only wise choice for overclocking, especially on watercooling.
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post #4 of 31
Thread Starter 
Quote:
Originally Posted by Farih View Post
The GTX590 seems to be stuck at around 775Mhz and has problems handling higher voltages. It has no use with watercooling yet, except for noise levels offcourse but thats allready good with the GTX590

For you i would recommend the HD6990, atm the only wise choice for overclocking, especially on watercooling.
Ok thanks for the advice , I think I made my choise.
When I started with this thread my prefference was a little more on the 6990 side then the gtx590 and now when I heard the gtx590 doesnt clock so well and has voltage problems the choise is made
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post #5 of 31
Atm i think the only reason to go for a GTX590 is when you dont overclock and like silence.

But i dont think anyone aiming for performance like that isnt going to overclock. and also when you put the 6990 on water it would be just as silence as a gtx590 on water.

Its nice that the GTX590 runs silent but i dont think there is anyone that care's about it when spending this amount of money, you want raw power then and be able to overclock like hell.

If i had the choice i would go for:
1. SLI GTX580's
2. CF 6950's unlocked to 6970's

SLI GTX580's on top for best performance and unlocked CF 6950's second as best bang for buck
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post #6 of 31
Gtx 590 can do 800mhz core or more with 1.05 v
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post #7 of 31
yes it can, but on more then half of the occasions the OCP kicks in
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post #8 of 31
Quote:
Originally Posted by Farih View Post
yes it can, but on more then half of the occasions the OCP kicks in
I am.sure some.one will find a way to turn it off
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post #9 of 31
Quote:
Originally Posted by Juggalo23451 View Post
I am.sure some.one will find a way to turn it off
Yes, and i bet it wont take long.

Still for serious overclockers on watercooling i would recommend the HD6990 as single PCB solution, just becuase of its better VRM's

For best performance i would go SLI GTX580's
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post #10 of 31
Quote:
Originally Posted by Farih View Post
The GTX590 seems to be stuck at around 775Mhz and has problems handling higher voltages. It has no use with watercooling yet, except for noise levels offcourse but thats allready good with the GTX590

For you i would recommend the HD6990, atm the only wise choice for overclocking, especially on watercooling.
Linustechtips got 810Mhz on the GTX590 with no sweat.
with watercooling 900Mhz should be easy.
    
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