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Sappire HD 7970 OC Dual-X with boost overclocking

post #1 of 2
Thread Starter 
So, I got this card in the mail yesterday and so far I'm pretty happy with it. It runs everything better than my old card (evga 560ti DS SC) with stock clocks. This one has the blue pcb (dunno if it's reference or not :s) and the dual bios. I'm in bios2 which has the 'boost' side (1000core/1450mem).

I'm trying to get a decent overclock on this card, but I can't seem to get over 1045 core clock and 1600 mem clock @ 1.25V (and +20% power limit).

I'm using MSI Afterburner 3.0.0 beta 9. I don't have overdrive enabled in CCC. I'm starting to think my PSU is 'causing the issue (650W Corsair: http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=7195036 ).

Any tips? I've searched hi and low with no real solution other than either dud card or get a bigger psu lol.

Frank
post #2 of 2
Bring your mem clock back down to 1450. You should be OCing the core first.
i7k
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i7k
(21 items)
 
  
CPUMotherboardGraphicsRAM
i7 4770k Asrock z87 Extreme6 MSI 1080 Ti Gaming X 16GB G.Skill Ripjaws X 1866 
Hard DriveHard DriveHard DriveHard Drive
OCZ Vertex 3 120GB 500GB Samsung 850 EVO 500GB Samsung 850 EVO 2TB Seagate Barracuda LP 
Hard DriveCoolingOSMonitor
2TB Seagate Barracuda Deepcool Assassin Windows 10 Pro 64-bit Samsung KS8000 
MonitorMonitorMonitorKeyboard
QNIX QX2710 Evolution ll ASUS VG248QE SAMSUNG 2433BW Logitech G710+ 
PowerCaseMouseAudio
PC Power & Cooling Silencer Mk III Series 850W Corsair 750D Logitech G600 Creative Sound Blaster Z 
Audio
Sennheiser HD 380 Pro 
  hide details  
Reply
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