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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 311

post #3101 of 6939
Quote:
Originally Posted by Razi3l View Post
Nice reviews, TweakTown suck, they never overclock the cards. :/
How about overclockin' my 6870, any suggestion to break the latest afterburner or trixx 1.3 volts limit?
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post #3102 of 6939
RE: reviews - I never liked the looks of HIS's cards. Ya-ya, performance>looks.
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post #3103 of 6939
Thread Starter 
Quote:
Originally Posted by arrow0309 View Post
How about overclockin' my 6870, any suggestion to break the latest afterburner or trixx 1.3 volts limit?
Try here, i got mine from somewhere though i'm not sure if it applies it or not on mine, since the 6950 just runs at stock voltage regardless.

Quote:
Originally Posted by Krusher33 View Post
RE: reviews - I never liked the looks of HIS's cards. Ya-ya, performance>looks.
Yea, but I think it doesn't look too bad.
    
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post #3104 of 6939
Quote:
Originally Posted by Razi3l View Post
Try here, i got mine from somewhere though i'm not sure if it applies it or not on mine, since the 6950 just runs at stock voltage regardless.
Thanks man, already done (managed to get that stuff work with the latest AB 2.1), is that I have a creepy 6870 it just won't oc easy over 1000Mhz .
I wasn't able to get it stable (quick runs of Occt with error check) at 1020 overvolting up to 1.37v.
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post #3105 of 6939
Thread Starter 
Quote:
Originally Posted by arrow0309 View Post
Thanks man, already done (managed to get that stuff work with the latest AB 2.1), is that I have a creepy 6870 it just won't oc easy over 1000Mhz .
I wasn't able to get it stable (quick runs of Occt with error check) at 1020 overvolting up to 1.37v.
Probably VRMs getting hot and holding you back. Sounds like that.
    
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post #3106 of 6939
My cards can both run stable at 970/1130 nevr going above 52c gaming.Considering they are 6850's that started at 790/1000 its an awsome overclock.One of my cards can easily get 1000 on the core im having troube getting the second there.

When running xfire is there a performance gain running the cards at different speeds?
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post #3107 of 6939
Do you guys think that a 6870 cfx would be enough for 1 monitor? Let's compare it to the newest 6990 performance (in some of the best cases)




Edited by arrow0309 - 3/8/11 at 5:59am
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post #3108 of 6939
^lol.enough more like overkill.im curious to see were my overclocked cards would be in those charts.I can max every game I play with my 6850's so the 6870's should be even better.One monitor is easy Im going eyefinity 3 soon that will be a test.right now with two monitor eyefinity the only game that really works with the bezel in the middle is nba 2k11.This game doesn't support xfire but I can still max it out on two monitors with one card over 100fps not very demanding but lots of fun.
Edited by smoke420 - 3/8/11 at 6:19am
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post #3109 of 6939
Quote:
Originally Posted by smoke420 View Post
My cards can both run stable at 970/1130 nevr going above 52c gaming.Considering they are 6850's that started at 790/1000 its an awsome overclock.One of my cards can easily get 1000 on the core im having troube getting the second there.

When running xfire is there a performance gain running the cards at different speeds?
I'd say yes, if the faster one is the first card (at least it was for me with my previous Gtx 260 Sli setup), however I'm not sure of that. On the other hand you have to look at the voltages too & running your cards synchronised I don't think will help you to get some extra performance.
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post #3110 of 6939
Quote:
Originally Posted by arrow0309 View Post
I'd say yes, if the faster one is the first card (at least it was for me with my previous Gtx 260 Sli setup), however I'm not sure of that. On the other hand you have to look at the voltages too & running your cards synchronised I don't think will help you to get some extra performance.
What do you mean buy synchronised the option to run the card with the same settings in ab is not checked because of voltage .One card requires 1.174 to get 970 core the other requires 1.243.

With that big of a difference in voltage You would think the temps would different two but after 45mins of furmark msaa x8, xtreme burning mode, and post fx on. max temp of the card on top with the higher voltage was 78c bottom card less voltage is 81c
Edited by smoke420 - 3/8/11 at 6:38am
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