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~~The GTX 670 Overclocking Master-Guide~~ - Page 214

post #2131 of 3357
Quote:
Originally Posted by Subut View Post

can i ask you a question. or you can say advice as well. im using a 670ftw with a custom bios (letting me to increase my voltage to 1.212 and changing my default clocks and i changed from a lot of different bios's and the one im currently using is the best from me. on with my point) from evga as my gpu precx 4.0 and heaven 4.0 as my benchmarking and overclocking software. my question is: my default clock is 1202 from the bios. my kepler boost is 143 if it matters or not im not sure. when i set my gpu clock offset to +47 for example i should get a clock speed of 1202+42=1244 but suprisingly i got 1241 i taught this was something to do with the weird kepler stuf and left it as it is. but later i wanted to go further so i started increasing and started crashing i said well i need to go slowly and started to increase my offset +2 at a time. so i did +44 but the problem starts now. my clock is supposed to be 1246 but it didnt it stayed 1241. my benchmark score was the same. by going 2 by 2 i went up to 50 but i still keep getting 1241 and the same score, why am i stuck at 1241 i dont understand. to test if this was a problem i went on and set my offset to +62 i got something higher then 1241 that crashed in the benchmark but i saw that i can go higher then 1241 at least. why am i stuck at 1241 help pls =)
It increases by 13mhz, so next step woudl be 1254Mhz. Doesn't matter if you settle with anything less than1254Mhz, it will stay on 1241Mhz, if go over 1254Mhz it will be 1254Mhz until next increase which is 1267Mhz.
If you crash at 1254Mhz, then your max is 1241Mhz, you're still lucky. Mine was stuck at 1228Mhz.
Quote:
Originally Posted by EarlZ View Post

Has anyone here tried limiting their boost clocks using bios editing tools, do they actually work? Since I want to limit my card to boost to a certain clock only.. 1 of the 2 cards I have will always boost 13Mhz higher.
Try Kepler Bios Tweaker, you can set "Boost tables" there when modyfing bios. Imo should do the trick.
post #2132 of 3357
Quote:
Originally Posted by Subut View Post

can i ask you a question. or you can say advice as well. im using a 670ftw with a custom bios (letting me to increase my voltage to 1.212 and changing my default clocks and i changed from a lot of different bios's and the one im currently using is the best from me. on with my point) from evga as my gpu precx 4.0 and heaven 4.0 as my benchmarking and overclocking software. my question is: my default clock is 1202 from the bios. my kepler boost is 143 if it matters or not im not sure. when i set my gpu clock offset to +47 for example i should get a clock speed of 1202+42=1244 but suprisingly i got 1241 i taught this was something to do with the weird kepler stuf and left it as it is. but later i wanted to go further so i started increasing and started crashing i said well i need to go slowly and started to increase my offset +2 at a time. so i did +44 but the problem starts now. my clock is supposed to be 1246 but it didnt it stayed 1241. my benchmark score was the same. by going 2 by 2 i went up to 50 but i still keep getting 1241 and the same score, why am i stuck at 1241 i dont understand. to test if this was a problem i went on and set my offset to +62 i got something higher then 1241 that crashed in the benchmark but i saw that i can go higher then 1241 at least. why am i stuck at 1241 help pls =)

The Kepler cards overclock in 13.065 MHz steps, 1241 and 1254mhz are two of those steps, you can not run anything in between those values
post #2133 of 3357
Hey ! I bought gigabyte gtx 670 oc windforce gpu and overclocked it.
It went well except the fact that only my memory clock went up but my core clock stayed normal??

So if someone got any advise or reason why this is happening it would be great if you could tell me here!
Pic was so small so i decided to explain better. So originally 670 gpu is at 980 and oc to 1058mz when play or etc but even after i oc it more it shows on msi settings and on gpu-z to be 1080-1164mz but on msi monitor it shows to be excatly same as out of box.
Edited by Byrre - 3/31/13 at 12:11pm
post #2134 of 3357
Go by what Afterburner reports - the MSI monitor may only be pulling the stock card clocks off the BIOS and not the actual clock speeds.
post #2135 of 3357
Quote:
Originally Posted by Byrre View Post

Warning: Spoiler! (Click to show)
Hey ! I bought gigabyte gtx 670 oc windforce gpu and overclocked it.
It went well except the fact that only my memory clock went up but my core clock stayed normal??

So if someone got any advise or reason why this is happening it would be great if you could tell me here!
Pic was so small so i decided to explain better. So originally 670 gpu is at 980 and oc to 1058mz when play or etc but even after i oc it more it shows on msi settings and on gpu-z to be 1080-1164mz but on msi monitor it shows to be excatly same as out of box.
Hello fellow GB owner smile.gif
First of all I don't recommend Gigabyte software to do OC. Theoreticaly it does the same, but for me was more unclear so stick with Afterburner.
For readings go to Sensor Tab in GPU-Z and set to show Highest Reading, do some bench (ie. Valley or Heaven) and see what it reported.

By the way...
With this card you can go way more than 100Mhz on memory. I'm on unlocked voltage on +700Mhz, before unlocking was +616Mhz.
post #2136 of 3357
Problem solved ! MSI Monitor just didnt refresh clocks but heaven and gpu-z showed them properly smile.gif Thanks anyways guys!
post #2137 of 3357
im trying to figure out what other 670 sli owners are getting in unigine valley. i dont think im getting anywhere near the score i should be. something isnt right.
core at 1228mhz and mem at 3456mhz
any help from other sli users ?

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post #2138 of 3357
Quote:
Originally Posted by pc-illiterate View Post

im trying to figure out what other 670 sli owners are getting in unigine valley. i dont think im getting anywhere near the score i should be. something isnt right.
core at 1228mhz and mem at 3456mhz
any help from other sli users ? Warning: Spoiler! (Click to show)

We have pretty similar systems. I'll run it and post my results.
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post #2139 of 3357
Thanks hester. I appreciate the help and effort.
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post #2140 of 3357
Quote:
Originally Posted by pc-illiterate View Post

Thanks hester. I appreciate the help and effort.


Well it would appear there is a problem somewhere. My clocks are completely stock so I don't think you should be getting such a low score. However I'm not familiar enough with GPU overclocking to know what questions to ask you next. redface.gif
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