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680 Overclocking (Calling all owners!) - Page 70

post #691 of 1059
Quote:
Originally Posted by xxmastermindxx View Post

750w is near the minimum for SLI 680. That, and SB-E is relatively power hungry when overclocked as well.
Check out this Guru3D SLI 680 review, this is the power consumption section. They recommend 750w as a minimum.

I know what they recommend, but are you seriously not going to doubt their recommendation given that only 473w are being used on load? add 150-200 for sb-e and there you have something more accurate, also, check out the links I just posted.
post #692 of 1059
Quote:
Originally Posted by psikeiro View Post

I know what they recommend, but are you seriously not going to doubt their recommendation given that only 473w are being used on load? add 150-200 for sb-e and there you have something more accurate, also, check out the links I just posted.

You're right, and I totally looked at your sig thinking it was him lol. He's on Sandy Bridge, 750w is definitely enough.
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post #693 of 1059
+132 TDP
+190 Core (1287 turbo)
+500 Mem

Stable heaven with extreme tess for a few hours.

315

I should add, i keep my fan speed set to my temp and it usually stays below 70c so it doesn't throttle back.
Edited by Cronictime - 4/11/12 at 10:56pm
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post #694 of 1059
Yeah, I'm on SB and not SB-E and according to Phaedrus I probably have the best 750w Gold rated PSU out there. I don't see that being the problem but maybe. I also bumped my chip to 4.8ghz at 1.42v. It may have helped.
post #695 of 1059
Quote:
Originally Posted by Humafold View Post

Yeah, I'm on SB and not SB-E and according to Phaedrus I probably have the best 750w Gold rated PSU out there. I don't see that being the problem but maybe. I also bumped my chip to 4.8ghz at 1.42v. It may have helped.

That PSU would be enough to even handle an i7 3960X @ 5GHz and those cards overclocked. wink.gif

Finding the correct balance to overclock these cards in SLI is a bit tricky, but it's fun. It took me a few days to find the sweet spot for 1280MHz Core on both cards and +500MHz Memory. thumb.gif
    
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post #696 of 1059
Quote:
That PSU would be enough to even handle an i7 3960X @ 5GHz and those cards overclocked.

Finding the correct balance to overclock these cards in SLI is a bit tricky, but it's fun. It took me a few days to find the sweet spot for 1280MHz Core on both cards and +500MHz Memory.

I agree! I have one card that likes to draw 115% in slot one on my settings and the other card in the low 90% range. I think I'm going to switch them and put the lower drawing card in slot #1 and see what happens. It is a lot of fun playing with these and trying to figure out a perfect balance. tongue.gif
post #697 of 1059
When you guys say turbo do you mean the Core your cards reach from your base?

On this new card I can't put more than +55 on the Core so far but it reached 1250 MHz Core after BF3 multi player. I haven't pushed more than 200 MHz on the memory as I only started finding the sweet spot yesterday. Only had a couple hours with it thus far.

My base is minor in contrast.
     
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post #698 of 1059
Mine has remained rock solid for the past two weeks :
1228 Mhz core / +350 Mhz memory
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post #699 of 1059
For the people using afterburner how do you raise the power limit? I see core voltage. But I assume that does nothing.
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post #700 of 1059
using
+132% TDP
+135 Core (1141MHz Normal/1194MHz Boost)
+500 Memory (1752MHz)

SLI'd 680

700
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