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overclocking radeon 7770 help.


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#1 rieds

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Posted 30 October 2012 - 11:17 AM

i just bought a radeon 7770 and was wondering if someone could help me out with a guide for overclocking and testing?

4770k @ 4.6 w/ 1.2v,  Antec Kuhler920, Gig Z87x-ud4h, 16gb Patriot Viper Xtreme DDR3 1866,Msi gtx580 li xt, OCZ vertex 4 128gb, WD 500gb 7200 Sata 6, Xfx 850 pro core edition, Thermaltake V3 Black.


#2 d6bmg

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Posted 30 October 2012 - 11:31 AM

Which model to be exact?
Regardless of the model, you can always use MSI afterburner to monitor and overclock the card.

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#3 rieds

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Posted 30 October 2012 - 10:38 PM

its a HIS radeon hd 7770 ghz edition.

4770k @ 4.6 w/ 1.2v,  Antec Kuhler920, Gig Z87x-ud4h, 16gb Patriot Viper Xtreme DDR3 1866,Msi gtx580 li xt, OCZ vertex 4 128gb, WD 500gb 7200 Sata 6, Xfx 850 pro core edition, Thermaltake V3 Black.


#4 rieds

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Posted 15 November 2012 - 09:21 AM

the max voltage is set to 1.2v but when stress testing it never gets over 1.175. is it locked by the manufacturer perhaps?

4770k @ 4.6 w/ 1.2v,  Antec Kuhler920, Gig Z87x-ud4h, 16gb Patriot Viper Xtreme DDR3 1866,Msi gtx580 li xt, OCZ vertex 4 128gb, WD 500gb 7200 Sata 6, Xfx 850 pro core edition, Thermaltake V3 Black.


#5 Braegnok

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Posted 16 November 2012 - 07:25 AM

I would not recommend going much over 1.2V. The 28nm Cape Verde core with Hynix memory IC's used on your card are rated to 1250 MHz, set at 0.825V to 1.16V factory settings. Power Saving Technology will drop down to 300 MHz core / 150 MHz memory @ 0.825V while in 2D / idle, and 1.16V load.
If you use MSI afterburner you should max out at 1125 MHz core and 1300 MHz memory, But.. HIS iTurbo overclocking software will go to 1145 MHz core and 1565 MHz memory.
These cards run great CrossFired @ factory settings.

Edited by Braegnok, 17 November 2012 - 05:30 AM.

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