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HD 6670

Last response: in Overclocking
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September 27, 2012 4:35:51 AM

Hello i would like to know what are some stable oc settings for my Sapphire HD 6670 DDR 5 i have a logisys 480w psu, 6 gigs of DDR3 RAM, Win 7 64 bit, and AMD II X4 630 @ 2.80 Ghz,

Yeah so i'm basically having some problems keeping a sable Oc with this card. I know its not meant to be OC'd but i would like to know what would be the max i could OC it, so i could squeeze some fps/ performance out of it. the max i have Oc this card was 860 MHz and a memory clock of 1110 MHz

i have seen people OC this card about 900 MHZ and 1150 Mhz, (with i try'd but it crashed witch is bull for me.) if you guys could help me that would be great!

thanks for all you're help ~Alex

More about : 6670

a c 109 U Graphics card
a c 150 K Overclocking
September 27, 2012 5:54:22 AM

Not every chip is the same, so just because some guy hits a higher clock than you online doesn't mean your chip will do so.

Have you tried increasing the voltage?
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September 30, 2012 10:53:45 PM

amuffin said:
Not every chip is the same, so just because some guy hits a higher clock than you online doesn't mean your chip will do so.

Have you tried increasing the voltage?



it was the same chip (http://www.sapphiretech.com/presentation/product/?cid=1...) <--- That is the same card i have, and i would like to how to increase the voltage, i use MSI after burner, but the voltage is locked so i don't know how to do it, can you please help me.

ps: the voltage on the card is 1.1, i want it to be 1.2 or 1.3
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a b U Graphics card
October 2, 2012 1:37:07 AM

There is natural variation in the chips. For the same make, model and GPU the overclocking ability will be different for individual chips off the production line.

In regards to voltage, have you checked the options menu or buttons. Some programs let you disable safe limits and hence unlock the voltage. Hope this helps.

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October 3, 2012 2:55:57 AM

i'v try enabling voltage change on MSI after burner, but i still cant do anything to the voltage, its really pissing me off, the only place i can change the voltage is in the sapphire oc tools, but it only go's up to 1100 and down, i want it to go to 1200 or 1300
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a b U Graphics card
October 3, 2012 3:05:34 AM

OK, I can understand why you want more performance. However, doing this may do damage to the card and also result in small gains. +10% fps maximum gain
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October 4, 2012 4:04:29 AM

i know, but i just want to increase the voltage on this thing so i can oc it properly
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a c 109 U Graphics card
a c 150 K Overclocking
October 4, 2012 4:37:02 AM

If you're not happy, either buy a new card, or lower your game details.
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October 5, 2012 3:00:47 AM

i'm using this card for a separate pc (a back up) my primary computer has a GTX 670 so i'm fine with this card, its the HD 6670 i'm trying to max out. so can anyone help me with the voltage problem. that's all i need!
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