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~~The GTX 670 Overclocking Master-Guide~~ - Page 192

post #1911 of 3357
Quote:
Originally Posted by iRandomize View Post

It's a useless piece of **** feature, that should never have been implemented, and must never be enabled.

^ This!
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post #1912 of 3357
Is it normal for your Kepler Boost to drop when you go higher on the GPU Clock Offset? I was trying to test for a higher clock, but Heaven 4.0 crashed and I figured I would check the max GPU Core Clock just for the heck of it. The max reached was 1241 and GPU-Z said the new boost was 1105, which is closer to 130 for the Kepler Boost. Now on my old overclock I got 1215 and a boost of 1071, which is closer to 143. So, my question is why did it drop 13MHz?

Edit: I'm going to do some testing and post some results.
Edited by brandon88tube - 3/10/13 at 10:50pm
post #1913 of 3357
Quote:
Originally Posted by Safeh View Post

Hi!
First time OCing, thank you for the guide!
My setting:

EVGA 670 FTW 2GB
1173 Boost Clock
1202 Max Boost
1865 Memory
126% Power Target with 1.150 Voltage slider (VDCC reaches 1.175 though)

GPU-Z screens: Warning: Spoiler! (Click to show)


I'm pretty satisfied with temperature and memory OC, but I kinda expected (maybe wrongly) a higher clock boost.
Every time I tried higher clock boost , power reached a 330% peak and Heaven crashed.
My top for clock offset is +90 (+88 when combined with +625 mem).

These are my results, what do you think about them? Are they good enough? Shoud I have expected better ones?

Unigine benchmarks: Warning: Spoiler! (Click to show)


Any thoughts?

I've read you say that heaven 4 is useless for comparing by the time, these are my heaven 3 results: Warning: Spoiler! (Click to show)
post #1914 of 3357
Hello guys smile.gif just wanna ask is it OK to set daily with max power slider (125%) and max voltage (+100mv) ?? Temp got 76c at max ... I can't keep it under 70c redface.gif
Thx.
Edited by neoroy - 3/12/13 at 1:07am
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post #1915 of 3357
Quote:
Originally Posted by neoroy View Post

Hello guys smile.gif just wanna ask is it OK to set daily with max power slider (125%) and max voltage (+100mv) ?? Temp got 76c at max ... I can't keep it under 70c redface.gif
Thx.

Turning the power slider up all the way is fine, but increasing the voltage is going to make it harder to keep cool, so you might be better off putting that back to stock.
post #1916 of 3357
Quote:
Originally Posted by neoroy View Post

Hello guys smile.gif just wanna ask is it OK to set daily with max power slider (125%) and max voltage (+100mv) ?? Temp got 76c at max ... I can't keep it under 70c redface.gif
Thx.

Considering you are running on an "Acrylic Benchtable", either your ambients must be rediculously high, the JetStream cooler impressingly inefficient, or your card broken. It is a dual-fan cooler :S. The stock cooler can manage to keep the GPU below 70C without voltage mod... I would probably try replacing the thermal paste on that one!

You NEED to stay below 70C. You can safely max both the voltage and power sliders.
post #1917 of 3357
Guys I have 211 watt max tdp with 150% on my zotac reference 670 mob bios. is it safe to mod this up to say 250 watts or 300 watts ?
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post #1918 of 3357
can't get my gtx 670 GPU voltage higher than 1.15V with precision X since the last nvidia update. any solutions how i get my voltage to 1.175V without flashing my card or similar?
post #1919 of 3357
Quote:
Originally Posted by Klindworth View Post

can't get my gtx 670 GPU voltage higher than 1.15V with precision X since the last nvidia update. any solutions how i get my voltage to 1.175V without flashing my card or similar?
yes It was the issue for me as well.. but in game card can up the voltage to max 1.175 if it needs.. But if you want it to manually set to max yo uhave to mod the bios smile.gif

by the way, why you guys adjust the voltage manually ? just leave it default as the card adjusts it very wel ldepending on scenes.
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post #1920 of 3357
If you set the voltage manually the overclocking becomes more stable. with voltage set to 1.15V it goes up to 1.175v in games for sure but if the needed performance drops (for example if you go inside a house or a cave in an open world game like farcry 3) my card tries to lower the voltage too early and becomes unstable.

i don't want to flash my bios because auf warranty reasons and finding a stable overclocking frequenzy at a jumping voltage is more complicated because testing under full load isn't enough.

doesn't exist a config or something like that where i can set the maximum voltage? because the driver update of nvidia can't have changed the bios or am i wrong?
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