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**Big decision!!**

post #1 of 34
Thread Starter 
Right now I am having a really bad time deciding what to do.

For months I had my mind set on getting 2xTwin Frozr III 6950´s because of their great overclockability and cooling.

But now I have seen very cheap GPU blocks on aquatuning:
http://www.aquatuning.at/product_info.php/info/p11872_Alphacool-NexXxoS-ATXP-ATI-6970-50-Serie.html


And I am thinking about getting cheaper reference 6950´s and two of those blocks.


What do you think I should do?

My main concern is overclockability.
Of course watercooled the cards are going to be cooler than with the TWFIII which could also enable me to overclock further yes.
But will a watercooled reference card really be able to overclock more efficiently as well? not only further?
TWFIII is specialized to and enhanced for overclocking.
I am concerned that once I get my reference card I won´t be able to overclock as far without too many volt mods.
TWFIII is said to hit 1 GHZ without a vold mod ...I am not sure the refernece one will be able to do the same.


So there the basic questions:

1.)If I went for ref 6950 + block what 6950 brand should I choose ..meaning which ref 6950 brand is known to overclock the most efficient and durable?
1a.)Voltage Controller + Unlockability mandetory of course:)

2.)Should I save the money and just go for TWFIII because 6950´s don´t get that hot anyway and a watercooling setup won´t really help me to achieve higher clocks?



2xTwin Frozr III 6950´s are available to me for :2x 236€ = 489€
2xref 6950´s depending on which brand you recommend will cost approximately 2x 200€-206€ =412€ + 2x64€ blocks = 540€

Would it really be worth it?
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post #2 of 34
No, save the cash, go TWF3
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post #3 of 34
Thread Starter 
So you really think a 6950 on water won´t overclock much better than the Twin Frozr III 6950?
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post #4 of 34
Quote:
Originally Posted by Kung Pow;13534490 
So you really think a 6950 on water won´t overclock much better than the Twin Frozr III 6950?

I think it's the much less risky way to go. You spare yourself lots of hassle and lots of money, and gain proven OCability.
With the water block you go into expenses and trouble for undertain OC result and voided warranty.
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post #5 of 34
Thread Starter 
That is true.
But in terms of pure performance and overclocking.
The Twin Frozr III 6950 is a great card, but can it really keep up with a watercooled ref 6950?

Summer is coming up ..and I want to hit at least 1GHZ - 1.2 GHZ on the card ...if that is possible with load temps under 70C then the TWFIII is my pick.

What do you think?

I mean if on water I get 1.2 GHZ and on TWFIII 1.05GHZ then it won´t really matter ...only if it is really a tremendous performance and overclocking difference.
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post #6 of 34
I reckon get 2xTwin Frozr III 6950´s and water blocks. because more volts = more potential OC and stability. More volts equals more heat so waterblock on great cards would be epic if you can afford.
post #7 of 34
Thread Starter 
I could afford it but at some point I wanna save up some money for Kepler.

Basically what I am asking is if two ref 6950´s on water will have significantly higher overclocking and performance potential than two Twin Frozr III 6950´s ?

Also if the Twin Frozr III will keep temps below 70 at load with 1GHZ+ core in summer at a reasonable fan setting.
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post #8 of 34
I dont even think the twin frozr is a standerd board... it has extra switches on so weather your find a block that will fit it may be debatable and if you decide not to watercool it then 2 twin frozrs may be a bad combo as the hot air is recirculated within the case and not pushed out of the case like standerd coolers
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post #9 of 34
Thread Starter 
Quote:
Originally Posted by Kung Pow;13534672 
Basically what I am asking is if two ref 6950´s on water will have significantly higher overclocking and performance potential than two Twin Frozr III 6950´s ?

Also if the Twin Frozr III will keep temps below 70 at load with 1GHZ+ core in summer at a reasonable fan setting.

That is what I am asking myself right now.
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post #10 of 34
I have a lightning which is the 6970 version of this card. Twfiii will not hit 1 ghz on stock volts, at least not under load. My lightning works at 980 with volts at 1250. I can probably work the volts down, but it will be no lower than 1225. At 980 at 1250 vcore, I get max temp of 63 with fan on auto on performance bios. That spins the fans up into the 50 percent range where i can hear them. But my case resonates very well. The sound is really not bad at all. Ambient temps are 24. The memory on my card does not overclock well at all without voltage and even then its not great. This has been observed on other lightnings. Based on all this, I think you have some unreal expectations of the twfiii. However, its a great card and you may get close to 1 ghz with high voltage which it can handle.

If you want to water cool, get the second revision reference sapphire blue pcb 6970. Its not much more than the twfiii and does better on stock volts than my lightning. The memory worked much better too. The only reason I returned it was because of the horrible fan noise.
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