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Having problems with my Sapphire hd 7770 ghz edition

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March 19, 2013 7:26:57 AM

I recently bought a sapphire hd 7770 ghz edition(non oc) and i cant get much overclocks out of it. All review sites are able to get better clocks from hd 7770, i even increased the voltages using gpu tweek as it was the only software that let me, still i am unable to get stable clocks which are significantly higher or more than 50 mhz.

This is my card:http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Here is an example of clocks that are said to be easily achievable with this card:
https://docs.google.com/spreadsheet/ccc?key=0AmLKAgEko3...

Is this a prob with my card and should i get it replaced, or is it something else. Please help quick as its been only 3 days since purchase and i can hopefully easily get it replaced. Or is there something wrong with the way i am overclocking.
a b K Overclocking
March 19, 2013 8:03:47 AM

It could just be your individual card. When I bought my 2nd 7850 for Xfire I tested it alone, both my cards are identical Gigabyte 7850's 2GB. The first card I easily overclocked to 1100mhz core 1400mhz mem clock and everything was stable. The new card does not overclock stable whatsoever, I considered returning but I decided not to since it is the 2nd card in my Xfire setup and my first still runs stable overclocked.

You can try to a new card by replacing and or just deal with an un-overclocked card, you also could try other software, like MSI afterburner, might help. Also you could try adjusting through CCC. Any of those options may work, make sure you increase by 20-30mhz at a time.
March 19, 2013 8:57:50 AM

chrisafp07 said:
It could just be your individual card. When I bought my 2nd 7850 for Xfire I tested it alone, both my cards are identical Gigabyte 7850's 2GB. The first card I easily overclocked to 1100mhz core 1400mhz mem clock and everything was stable. The new card does not overclock stable whatsoever, I considered returning but I decided not to since it is the 2nd card in my Xfire setup and my first still runs stable overclocked.

You can try to a new card by replacing and or just deal with an un-overclocked card, you also could try other software, like MSI afterburner, might help. Also you could try adjusting through CCC. Any of those options may work, make sure you increase by 20-30mhz at a time.


Only gpu tweek allows additional voltage, so it gave better clocks the afterburner or ccc. I will try to get it replaced if that is a prob. What should i say to the retailler, because if i say it dosent overclock than that may void the warranty.
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a b K Overclocking
March 19, 2013 9:22:31 AM

Yea, try oc'ing without voltage adjustment using msi afterburner in small increments. You may not be able to mess with voltage much on the 7700 series.
a b K Overclocking
March 19, 2013 9:22:32 AM

Yea, try oc'ing without voltage adjustment using msi afterburner in small increments. You may not be able to mess with voltage much on the 7700 series.
March 19, 2013 8:38:39 PM

chrisafp07 said:
Yea, try oc'ing without voltage adjustment using msi afterburner in small increments. You may not be able to mess with voltage much on the 7700 series.


Till now i can get the voltage from stock 1.125 to 1.2. Afterburner didnt give me more than 50mhz extra
a b K Overclocking
March 20, 2013 8:41:48 AM

When the gpu crashes what happens? does it say the display driver crashed by chance? Does the game just freeze, or lag?
March 20, 2013 8:45:13 AM

chrisafp07 said:
When the gpu crashes what happens? does it say the display driver crashed by chance? Does the game just freeze, or lag?


All three, it always lags cause i have a slow processor, and games are freezing or the driver stops working even at stock speeds.
a b K Overclocking
March 20, 2013 8:55:24 AM

What are your system specs? What games are you trying to run at what settings?
March 22, 2013 10:37:27 AM

Intel Core 2 duo e7400
intel dg41ty
500w psu
4 gb ddr2 ram
500gb 7200 rpm hdd
sapphire hd 7770 ghz edition

I know the card will bottleneck, and i want to play games at ultra but my cpu dosent even give me frames on low settings, i had a 4770 for 4 years, just replaced it so i am a guy that has a 500spm in battlefield 3 even though i get 20 fps. The point is that i cant overclock much, though the internet says that the 7770 has a lot of potential.
!