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HD 7850 help in overclocking!

Last response: in Overclocking
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May 30, 2012 4:35:50 AM

I am trying to overclock this card to the maximum limit of ccc that is 1050 core clock and 1450 memory clock but it is not stable.
can someone tell me what I am missing here? what else I should do to achieve this clocks.temps were fine though.

btw,my psu is seasonic s12ii 520 watts with 40 amperes on +12v rail.

More about : 7850 overclocking

Anonymous
a c 117 U Graphics card
a b K Overclocking
May 30, 2012 4:52:58 AM

not all cards/chips will OC the same.
did you just jump to max or did you increase by small amounts and tested each increase?
May 30, 2012 5:10:28 AM

well,no.I jumped directly to max clocks lol!
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Anonymous
a c 117 U Graphics card
a b K Overclocking
May 30, 2012 5:14:53 AM

i don't blame you

take it easy and ease it up. you never know it may get to like the max OC . .
a b U Graphics card
a b K Overclocking
May 30, 2012 5:15:16 AM

Increase the voltage. Use Sapphire Trixx and up the ante on the voltage. It should allow for some headroom for the increased core clock which in turn should make it stable.

Regards

Edit: this will increase the temps on the GPU, so a good cooler would help indeed
May 30, 2012 6:05:55 AM

Anonymous said:
not all cards/chips will OC the same.
did you just jump to max or did you increase by small amounts and tested each increase?


Yes.you are right.I will test the clocks by small amount.
May 30, 2012 6:07:46 AM

oddlyinsane said:
Increase the voltage. Use Sapphire Trixx and up the ante on the voltage. It should allow for some headroom for the increased core clock which in turn should make it stable.

Regards

Edit: this will increase the temps on the GPU, so a good cooler would help indeed


How to increase voltage? I don't see any option in the Trixx.there is one option 'Board power Li'.should I try that? how much should I increase at start? temps are fine though.under load,it reaches upto 65c.
June 21, 2012 10:03:32 PM

Sam777 said:
How to increase voltage? I don't see any option in the Trixx.there is one option 'Board power Li'.should I try that? how much should I increase at start? temps are fine though.under load,it reaches upto 65c.

I reccomand using asus tweak for voltage and then sapphire trixx for clocks. That being said i would reccomand ocing it to 1150 core clock and 1300 memory , with a 10 point increase on the voltage just incase.


I usually hover around 65c with the his 7850 version(one fan) but the fan is at 70 pct , just don't be afraid to increase the fan speed
June 24, 2012 6:56:58 AM

andY biersack said:
I reccomand using asus tweak for voltage and then sapphire trixx for clocks. That being said i would reccomand ocing it to 1150 core clock and 1300 memory , with a 10 point increase on the voltage just incase.


I usually hover around 65c with the his 7850 version(one fan) but the fan is at 70 pct , just don't be afraid to increase the fan speed


so far I have managed to overclock this card at 1150/1350 with 1.15v.temps are around 72c after hours of gaming.although I need to set fan to 100% to keep temperatures under control.what are your volts?
June 24, 2012 6:58:36 AM

andY biersack said:
I reccomand using asus tweak for voltage and then sapphire trixx for clocks. That being said i would reccomand ocing it to 1150 core clock and 1300 memory , with a 10 point increase on the voltage just incase.


I usually hover around 65c with the his 7850 version(one fan) but the fan is at 70 pct , just don't be afraid to increase the fan speed


so far I have managed to overclock this card at 1150/1350 with 1.15v.temps are around 72c after hours of gaming.although I need to set fan to 100% to keep temperatures under control.what are your volts?
June 24, 2012 1:10:13 PM

Umm i could keep it at stock but just for saftey i put it to 1.65 or increase it by 15 on asus gpu tweak
June 25, 2012 7:19:06 AM

try to reduce voltage a little and see if it is stable.I personally use heaven benchmark for stability testing.
June 27, 2012 2:02:07 PM

Sam777 said:
so far I have managed to overclock this card at 1150/1350 with 1.15v.temps are around 72c after hours of gaming.although I need to set fan to 100% to keep temperatures under control.what are your volts?


Also i think you hit your limit . Just leave it at that
!