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overclocking amd HD 7770 directcu oc edition 1gb ddr5

post #1 of 18
Thread Starter 
HI

i was wondering what im doing wrong here,

i tried to overclock it with amd gpu clock tool but i cant get higher than 5200 memory and clock 1200

voltage is also 1200 max.

i overclocked it at 1150 clock and 5000 memory in furmark it is going well no artifacts at all but when i tried pc mark 7 it crached

strange, some one who knows more about this stuff?

maybe it is the catalist that holds me back?
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hurricane
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post #2 of 18
What brand card do you have. With most cards, Sapphire Trixx seems to work great. Also, what are your other system specs ??
post #3 of 18
Thread Starter 
hi,

i have Asus Radeon HD7770 DC V2,1GB

CPU AMD FX 6200 at 4,6 ghz

8 GB corsair vengeance 1600 kit

seasonic x850 watt

ocz agility 3 120 gb

greets
hurricane
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hurricane
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post #4 of 18
Thread Starter 
i can overclock it but the voltages seem to be locked i only adjust the vcore to 1225

also the gpu tweak is useless because when i open it it seems to have problems it gets disformed when i start it up.

ferry weird things, i called the company where i got it and thay said that each card is limited out of factorie so my card can never overclock because of the bios and it can only read and not write with the newer cards.

i tried msi afterburner and it works well but i ant adjust the voltage at all cant move the slither at all.

i did the things in the settings menu but no luck at all.

i tried to overklock it at 1100cpu and 1250 memory and my screen dous weird things its like the card does not get enough power

but i cant imagine that my Seasonic X850 cant power that card it can easely do 2 of those cards.

my processor is AMD FX 6200 and it runs at 4.6 ghz but could that be the problem?

anyone tips or any idea whats going on?
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hurricane
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post #5 of 18
I got the same problem. cant get any decent overclock at all. got two Asus hd7770 in crossfire. GPU Tweak is a joke never worked for me either. Asus discontinued the card, im sure theyve had alot of bad feedback.
post #6 of 18
Thread Starter 
Quote:
Originally Posted by mcugga View Post

I got the same problem. cant get any decent overclock at all. got two Asus hd7770 in crossfire. GPU Tweak is a joke never worked for me either. Asus discontinued the card, im sure theyve had alot of bad feedback.

u crossfired the cards? how is the performance on those?

i read once it is pretty awesome.
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hurricane
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post #7 of 18
im not really impressed, at least with Asus board. http://www.3dmark.com/3dm11/5998953 this is my benchmark (no overclock on video card or system). Skyrim plays pretty good in ultra. Farcry 3 my cards are running at 75*c in ultra settings.
post #8 of 18
actually talked to this guy at best buy the other day (random). he runs 2 670 ti's in sli and said nothing gives him any hickups. overclocking is a breeze. i might venture that way its just expensive
post #9 of 18
Thread Starter 
Quote:
Originally Posted by mcugga View Post

im not really impressed, at least with Asus board. http://www.3dmark.com/3dm11/5998953 this is my benchmark (no overclock on video card or system). Skyrim plays pretty good in ultra. Farcry 3 my cards are running at 75*c in ultra settings.

Hmm oke strange, what board do u have than?

i read something about crossing those 2 cards is ferry good and beats the 7850

http://www.youtube.com/watch?v=NPlxcPWgjD8
hurricane
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hurricane
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post #10 of 18
Thread Starter 
Quote:
Originally Posted by hurricane28 View Post

Hmm oke strange, what board do u have than?

i read something about crossing those 2 cards is ferry good and beats the 7850

http://www.youtube.com/watch?v=NPlxcPWgjD8

http://www.youtube.com/watch?v=L3E4YhRvoQY&playnext=1&list=PL674E3D0A46DC1706&feature=results_main
hurricane
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hurricane
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