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Old 12-14-2007, 11:27 PM   #1 (permalink)
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Default Excited to get 7900GTX speed on my 7950GT

So after getting water cooling, raising my voltage to 1.55 via nibitor and a bios flash, finally got GTX speeds. Currently I have 653/1710 . Im thinking about trying to go to 1.6... and reach 700 on the core, but I dont know. Currently my temps sit at 57c load. Here are the rest of my specs...

AMD Athlon 64 X2 5000+ Black Edition @3.2GHz
Gigabye GA-MA69GM AM2 AMD 690G HDMI Micro ATX
2GB DDR2 @800MHz (Dual Channel) G.Skill RAM
XFX 7950GT 550M 512MB PCI-E @653MHz/1710MHz
Western Digital 320GB 7200RPM SATA 3.0Gps
Zalman Reserator 2 Water Cooling (CPU and GPU in one loop)
Corsair 450VX PSU

Completely stable now, I was able to reach this before raising the voltage, but it would crash playing crysis, now it runs fine.

Go me...
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Old 12-14-2007, 11:37 PM   #2 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

57 load is incredibly low, you have alot of headroom, i thikn once you get 80load is when you should backdown.. but evne then so... my gtx does 80 on full load and i still have no worries
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Old 12-14-2007, 11:50 PM   #3 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

I just don't want to fry the GPU lol. What do you think would be the limit?
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Old 12-14-2007, 11:53 PM   #4 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

gpu threshold limit before shutdown is 120c ... you've got a long way, as long as the temps are low, its all gravy

i've done 1.55v on the 7900gt w/ just a vf900... so you can do some more

show us some benchies too!
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Old 12-15-2007, 12:04 AM   #5 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

im gonna try 1.8 lol thats as high as nibitor allows me to go
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Old 12-15-2007, 12:29 AM   #6 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

Nice, hows that stack up against a stock 8800gt?
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Old 12-15-2007, 12:38 AM   #7 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

well it takes 2 7900gtx's to make a g80 gts.. or roughly that... sooo... got a while.. lol
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Old 12-15-2007, 12:38 AM   #8 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

hmmm... 1.8v doesnt seem to stick, or maybe it does, but i cant bring the core any higher than 670 without errors in ati tool =(

i may try and do a hard mod later, i just need a circut ink pen or whatever theyre called... anyone know any stores that sell them? maybe radio shack? cant do online stores atm though...
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Old 12-15-2007, 01:04 AM   #9 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

well here are the benchies so far....

3dmark 06
before 5511
after 6397

aquamark3
before 112,508
after 117,589
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Old 12-15-2007, 01:10 AM   #10 (permalink)
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Default Re: Excited to get 7900GTX speed on my 7950GT

1.8 seems high, personally, not so sure if I would do that..
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