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OC XFX 6870

post #1 of 8
Thread Starter 
Anyone know how to OC XFX 6870. it seem like the voltage is lock and I am unable to change the voltage using MSI afterburning.
Currently I am running CF XFX6870 2gb, eye infinity for battlefield 3. I hope to overclock the Graphic to get a good Frame rate.
currently can get 40+ framerate at low setting
post #2 of 8
Could you tell us the rest of you build, BF3 is extremely CPU intensive. and if your getting just 40ush now on low, the best you will problably OC to is 35 on medium. Anyway your card is problably locked so have you tried CCC or AMD overdrive?
     
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Intel Core i7 3820 @ 4.5Ghz ASUS Rampage IV Formula X79 EVGA GTX 980 Ti Hybrid @ 1450/1900 Corsair Dominator 16gb @ 2.2GHz C9 
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WD Caviar Blue 1tb 7200RPM WD Caviar Blue 1tb 7200RPM WD Caviar Blue 500gb 7200RPM 120.5 Custom Loop 
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post #3 of 8
Thread Starter 
PC setting as follow

3 x Samsung S22B350Tmontior (for eye infinity)
Intel® Core™ i7-930 Processor 2.80 GHz, Overclock to 4.0Ghz
Windows 8 64bit
Motherboard: Asus Rampage II GENE
RAM: 9GB
Thermaltake Chaser MK-1 USB 3.0 Full Tower Case with Bigwater 850GT water cooling( to cool graphic card)
corsair h80 ( to cool Pentium processor)
Corsair AX 850 power supper

Previously using Crossfire XFX 6870 2GB (sold yesterday)
Got a new card- Sapphire 7970 OC with boost

With the above setting.
How should I overclock the new sapphire graphic card to best for BF3 (ultra setting) (running eye infinity) (With water cooling)

what the different for
Sapphire 7970 OC (what does it mean of dual bios) and Sapphire 7970 OC with boost,are they the same?
post #4 of 8
Use CCC to incremetaly adjust the GPU core and memory, remember to stress test in between with Furmark or similar. Or use MSI Afterburner which has got lots of good reviews. Oc with Boost, if I recall, has a red button the the back of the card which dynaimcly overclocks it to the highest OC, but there is no point in paying more. The 7970 will OC very well and the PSU should handle it. Can you squeeze any more out of your CPU?
     
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WD Caviar Blue 1tb 7200RPM WD Caviar Blue 1tb 7200RPM WD Caviar Blue 500gb 7200RPM 120.5 Custom Loop 
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NZXT Switch 810 Black (Heavily Modded) Logitech G502 Proteus Spectrum Sennheiser HD 598 Cs 
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AMD FX-6300 @ 4.5Ghz Gigabyte 970A UD3 AMD HD8490 (OEM) @ 1.1Ghz Core/Mem Patriot Viper Xtreme 8gb @1600MHz 8-8-8-24 
Optical DriveCoolingCoolingOS
LiteOn Bluray Player Corsair Hydro Series H100i Zalman 120mm Led Fans x4 Windows 10 Pro x64 
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Hitachi 24" 70Hz Monitor Logitech EX110 OCZ ZT 550w Full Modular Zalman Z9 Plus 
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WD Caviar Blue 1tb 7200RPM WD Caviar Blue 1tb 7200RPM WD Caviar Blue 500gb 7200RPM 120.5 Custom Loop 
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Windows 10 Pro x64 LG D2343P-BN 3D Monitor @ 70Hz Corsair K70 (MX Brown) Corsair AX Series 850w 
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NZXT Switch 810 Black (Heavily Modded) Logitech G502 Proteus Spectrum Sennheiser HD 598 Cs 
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LiteOn Bluray Player Corsair Hydro Series H100i Zalman 120mm Led Fans x4 Windows 10 Pro x64 
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Hitachi 24" 70Hz Monitor Logitech EX110 OCZ ZT 550w Full Modular Zalman Z9 Plus 
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post #5 of 8
Thread Starter 
4.0Ghz is the max of the overclock of the CPU that can go.

Currently the BF3 with eye infinity, medium setting, can give a frame rate of min 45 @ overclocking using TirXX,

GPU clock 1050
memory 1525
VDDC 1175
Temp 64 Degree C with stock fan.

is there any OC on this card that I can refer to.
I wanna max out this card using watercooling so that I can get ultra setting on BF3 with frame rate of 50++

what is Board power LI mean and VDDC?
post #6 of 8
nevermind delete plz
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Turd
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post #7 of 8
How many monitors at what resolution?
   
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I7-3770K Gigabyte GA-Z77X-UP7 Saphire R9 290 Saphire R9 290 
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Corsair Dominator Platinum OCZ Vertex 4  OCZ Vertex 4 Seagate  
CoolingOSMonitorKeyboard
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post #8 of 8
Thread Starter 
3 monitor at 5760 x 1080
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