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[Official] MSI GTX 680 Lightning Owners Club - Page 384

post #3831 of 7827
tesing is finished:)


i tried over artmoney these voltages +150, +175, +180 and + 200mv...( 1.4v max )

maximum clocks before voltage hack were +155 gpu and +580 mem...

maximum clocks after voltage hack are +170 gpu and +580 mem...

that clock i get at 1.38 v...( + 180 mv in artmoney.... )

at higher volts card can achieve even +180 gpu clock and passes all tests but with lower results than with +170 gpu... CARD IS THROTTLING AM I RIGHT??

ok.... these are my results with max clocks +170 gpu and +580 mem...



1. 3dmark11 12217 p




2. 3dmarkvantage 43635 p




3. unigine heaven 2624 p





what do you think ?smile.gif
post #3832 of 7827
^^ nice scores and each chip is a lottery regardless of what volys go through it. Under water, I would say you could go higher but not by much.

Try a run with your power target at 190 and see if your score improves wink.gif
    
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post #3833 of 7827
Quote:
Originally Posted by maestrobg View Post

tesing is finished:)

you can do better ...try in this way

select the "k-boost" option from evga precision
reboot ... you will see that your card is fixed to max 3D frequency and the core voltage is steady

now don't use evga precision but afterburner and artmoney

when you're done, deselect "k-boost" and reboot
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post #3834 of 7827
Quote:
Originally Posted by XbeaTX View Post

you can do better ...try in this way
select the "k-boost" option from evga precision
reboot ... you will see that your card is fixed to max 3D frequency and the core voltage is steady
now don't use evga precision but afterburner and artmoney
when you're done, deselect "k-boost" and reboot

Does this not work the same way as "force constant voltage" on Afterburner or am I missing something?
    
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post #3835 of 7827
I've got a family member bringing one of these back from the States in a few weeks, I think its time to finally retire the 5850 (redface.gif). Looks like I have a bit of reading to do ! Just wondering though, I've seen temp results for standard cards in SLI and the temps dont seem to bad, I presume its the same (if not better) with these Lightnings ? (I only ask cause I could pick up a second one fairly cheap over here)
    
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post #3836 of 7827
Quote:
Originally Posted by Gregster View Post

Does this not work the same way as "force constant voltage" on Afterburner or am I missing something?

no ...
without "k-boost" option: core voltage is dynamic (0,992~1,212 + offset) , same for the frequencies
with "k-boost" ,you obtain core voltage fixed ( 1,212+offset) and max 3D frequencies all the time

try thumb.gif
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post #3837 of 7827
Quote:
Originally Posted by XbeaTX View Post

no ...
without "k-boost" option: core voltage is dynamic (0,992~1,212 + offset) , same for the frequencies
with "k-boost" ,you obtain core voltage fixed ( 1,212+offset) and max 3D frequencies all the time
try thumb.gif

Ok Cheers I thought with using art money it was already forcing the voltage to what was set in art money, say +150 was 1.2620V as my clocks are 1.2120V with the +100. I will give it a try and see if it improves my score. Cheers for the tip smile.gif
Edited by Gregster - 11/11/12 at 7:47am
    
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post #3838 of 7827
i listen to you and i activate k-boost option in evga precision, reboot...

then i used artmoney and AB....

I tried multiple voltage values( +150,+175,+180,+190,+200,+210) and multiple power limit values ( 190%, 200 %, 250 %, 275 % and 300 % ) ....

and WHENEVER I TRIED TO RAISE GPU CLOCK OVER +170, 3DMARK11 CRASHES....

I think that +170 gpu clock is maximum for my card, i dont know....

what do you say?
post #3839 of 7827
Quote:
Originally Posted by maestrobg View Post

i listen to you and i activate k-boost option in evga precision, reboot...
then i used artmoney and AB....
I tried multiple voltage values( +150,+175,+180,+190,+200,+210) and multiple power limit values ( 190%, 200 %, 250 %, 275 % and 300 % ) ....
and WHENEVER I TRIED TO RAISE GPU CLOCK OVER +170, 3DMARK11 CRASHES....
I think that +170 gpu clock is maximum for my card, i dont know....
what do you say?

What for a Bios has your Card? F8?

And how crash 3DMark11?
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post #3840 of 7827
no f8... i tried f8 and start to flickering... i have A3 bios and works fine...

3dmark11 stop working and back me to desktop....on frequencies higher than +170 for gpu.. no matter which voltage od power limit i choose...
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