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~~The GTX 670 Overclocking Master-Guide~~ - Page 148

post #1471 of 3357
Okay thanks, that really clears things up.
Quote:
Originally Posted by error-id10t View Post

I don't know your card but not seeing TDP rise above 40% sounds wrong especially at those clocks.

I guess I'm slightly concerned about the TDP then. I just did a Heaven Benchmark on full and the highest TDP was 36%. Maybe somebody else has anything to add? Other than that I guess i'm pretty happy with the card and the overclock. My memory seems slightly below average, but my Core Clock seems higher than most at 1280 so definitely happy with it.
post #1472 of 3357
According to the OP, the KB (therefore Max Boost) is not consistent and differs for every card even for the same model. I have three Gigaybyte GTX 670 WF3 OC with me and all of them have a Max Boost of 1162.7MHz when plugged in my system. What does that mean? Isn't the Max Boost limited for a single system and not by different cards of the same model? Or are those Max Boosts only a coincidence (which I doubt)?
post #1473 of 3357
Hello fellow 670 owners.
Finished overclocking my chip, but this is my first time overclocking a GPU:
EVGA GTX 670 FTW LE

Could someone let me know if these numbers look reasonable, or might I be doing something wrong? Using Precision X, GPU +92 MHz, Memory + 726 MHz.

Base 941 + offset 92 = 1033, boost= 1112, max while testing = 1163

Base 1502 * 2= 3004 + offset 726 = 3730, max while testing = 3734

Heaven with everything maxed, and 1920x1080, gives me 48.8 fps and a score of 1230. I hit 66c max temp and max Power % of 102.

3DMARK11 gives p9751, graph 9808, phy 10982, comb 8050, using a 3770k at 4.6.

I don't really know if these are bad or good numbers. Thanks for any help or advice.
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post #1474 of 3357
Hi all. New here but was a religious reader until my Gigabyte GTX670 arrived last Friday. I've been trying to find the perfect overclock for the last few days and have finally settled on the numbers below. To be honest I am a little disappointed with the results as I am seeing so many other people get much bigger clocks than mine.

One thing I did notice is that anytime my card pushed its core clock to 1215, it would crash. This happened at +104, but at +103 it would stay constantly at 1201.9 and not crash. I'm guessing it simply can't handle another step up beyond that. The temperature never goes above 58 degrees so I know heat isn't throttling it. Power consumption is at 80.1% max. Just a shame I didn't get a better chip! BIOS and all chipset and graphics drivers are up to date. I am using the F12 firmware.

My memory clock is stable at +280 but not at +285.

Tested 10 times consecutively in Heaven, once in 3D Mark 11 and a half hour burn in test using Kombuster to make absolutely certain it is stable.

If anyone can help me improve on these do feel free to suggest it smile.gif

GPU Clock: 1083
Memory: 1642
Boost: 1162

Core Voltage: +100
Power Limit: 112%
Core Clock: +103
Memory Clock: +280




post #1475 of 3357
hey, really appreciate this thread

got my gtx 670 ftw today, bios flash was able to let me get stable at 1306 mhz smile.gif just needed a small amount extra voltage biggrin.gif

heaven fps is 35.5 fps in 1440p, very awesome

mem is being a little twitchy at +550, so I just lowered it to 450 for now and it's fine. heaven just drives me nuts so i'll get around to it later

thanks again smile.gif
Edited by ghjjf - 1/29/13 at 4:48pm
post #1476 of 3357
Quote:
Originally Posted by ghjjf View Post

hey, really appreciate this thread

got my gtx 670 ftw today, bios flash was able to let me get stable at 1306 mhz smile.gif just needed a small amount extra voltage biggrin.gif

heaven fps is 35.5 fps in 1440p, very awesome

mem is being a little twitchy at +550, so I just lowered it to 450 for now and it's fine. heaven just drives me nuts so i'll get around to it later

thanks again smile.gif

Dang 1306! I'm kinda jealous tongue.gif mine crashes at anything above 1228.
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post #1477 of 3357
Quote:
Originally Posted by GingerStubble View Post

Hi all. New here but was a religious reader until my Gigabyte GTX670 arrived last Friday. I've been trying to find the perfect overclock for the last few days and have finally settled on the numbers below. To be honest I am a little disappointed with the results as I am seeing so many other people get much bigger clocks than mine.

One thing I did notice is that anytime my card pushed its core clock to 1215, it would crash. This happened at +104, but at +103 it would stay constantly at 1201.9 and not crash. I'm guessing it simply can't handle another step up beyond that. The temperature never goes above 58 degrees so I know heat isn't throttling it. Power consumption is at 80.1% max. Just a shame I didn't get a better chip! BIOS and all chipset and graphics drivers are up to date. I am using the F12 firmware.

My memory clock is stable at +280 but not at +285.

Tested 10 times consecutively in Heaven, once in 3D Mark 11 and a half hour burn in test using Kombuster to make absolutely certain it is stable.

If anyone can help me improve on these do feel free to suggest it smile.gif

GPU Clock: 1083
Memory: 1642
Boost: 1162

Core Voltage: +100
Power Limit: 112%
Core Clock: +103
Memory Clock: +280

i am having this exact same issue (low stable clocks with no thermal or power throttling) but with slightly higher clocks....i think it may just be our chips/cards


my card: Gigabyte GTX 670 WF3 OC
my max stable atm:

Core v: +100
Power limit: 112%
Core clock: +113
Memory Clock: +351

i had issues getting my memory clock above 200 which i thought was strange but even more strange was that upon pushing it above 300 i found it became more stable (+100-200 stable) (+200-300 unstable) (+300-350 stable) all played around with while core clock was at +111 or +113.

maybe just try one run @ +331 or something...(also found having an odd number can help with stability with core clock and mem clock)
 
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post #1478 of 3357
I'm no expert by far, but some of you gotta remember that every card is different. My last 670 FTW easily went up to 1280mhz and was very stable. The one I have now, not so much. It's all luck of the draw. Also I find that doing an hour+ long gaming session is a better indicator for me on stability, since I'll pass in heaven time and time again yet as soon as I fire up Far Cry 3 or Borderlands 2 I crash within 10-15 minutes.
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post #1479 of 3357
i agree.. my most testing games tend to be Assassins Creed 3, Battlefield 3 and Far Cry 3......good things come in 3's it seems.... so i run heaven bench maxxed a few times then 20-30 mins of kombuster or furmark for max temps/stability then games for stability in different circumstances......only then does it pass as stable in my eyes..

i realise each chip will have different max clocks however just like many others here i am constantly in pursuit of mOAR rolleyes.gif i still love my card wubsmiley.gif
 
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post #1480 of 3357
Do you guys think OC the VRAM that has no heatsink on can be done without the need to worry it getting fried in the long run?

Is what holding me from finding out the max capability of my card for the moment.
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