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Author Topic: 5970 Highest OC without Overvolt?  (Read 688 times)
benmuc
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May 10, 2013, 10:30:55 AM
 #1

Hi,

im currently running my 5970 at 830/1100.

I just wanted to ask you guys how far you have taken the card WITHOUT the Overvolt.
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Eastwind
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June 01, 2013, 07:14:49 AM
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Without overvolt, my 5970 run at 780/150.
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June 01, 2013, 07:59:32 AM
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While my 5970's dont run at their highest OC due to VRM Temps getting pretty high. I found a nice sweet spot - 770mhz @ 1v on 3 5970's

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June 01, 2013, 07:32:19 PM
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One at 815/150(normal card) @ 74C fan speed 100%(did run stable at 825 but now 2,5 years later it is stable on 815) other at 855/150(xfx black edition 2GB) @ 70C fan speed at 80%(I have it only couple of mounts and start mining today).
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June 02, 2013, 02:55:29 PM
 #5

835/825/795/845 mem 140 @ stock max 1.05v

or

905/920/850/945 mem 150/150/145/155 @ 1.112/1.125/1.1/1.125

possibly higher, i just wasnt willing to test past 1.125. 

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June 03, 2013, 02:45:19 PM
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One of my 5970 cores hums along at 860MHz while -undervolted- to 1v. The other core is a different story though. 2 out of 3 VRM chips are dead. Can only push about 0.95v through it at greatly reduced core clocks to get it to work without crashing the entire computer. I run it at 0.85v instead though (and 485 core) to keep VRM temperature in check though.

OCL 4 = 5970 @ 860 1v, OCL 5 = 5970 @ 485 0.85v


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