GTX 670 FTW throttle? - Overclock.net

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post #1 of 13 Old 12-16-2013, 02:42 PM - Thread Starter
 
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I'm trying to find my max gpu clock on this old 670 but I'm getting this weird throttling at certain overclocks (70+ GPU) in Heaven 4.0.

My base clocks are 1006/1552, my k boost is 156 mhz.

Looking at this picture, you can see where it throttles, and what happens in Heaven is the screen goes black then goes back to the benchmark and continues as it was, but it's like the card "reset" itself, just not to it's actual base clocks.

The 0 values for GPU/FB/VID/BUS usage can be accounted for by a bios update that I did after installing all of these programs. Prior to that everything was reading as they should. I had the same problem with throttling prior to the bios update.

I can get stable at +53/475 (1201/3579), so I'm afraid I just got a not-so-good overclocker. Could mobo bios settings be a problem? Inputs appreciated.


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post #2 of 13 Old 12-16-2013, 03:15 PM
 
 
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Look's like the fan speed goes low when the down clock begins. So seems temp related to me.

VRMs getting too hot? Why is the fan speed dropping like that? Try and put the fan to max during the Heaven run and see what happens.

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post #3 of 13 Old 12-16-2013, 03:19 PM - Thread Starter
 
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Quote:
Originally Posted by MrTOOSHORT View Post

Look's like the fan speed goes low when the down clock begins. So seems temp related to me.

VRMs getting too hot? Why is the fan speed dropping like that? Try and put the fan to max during the Heaven run and see what happens.


No idea about the VRMs, but gpu max temp is 67 according to GPU-Z. Like I said it's like the card 'resets" itself so the fan speed goes back to default
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post #4 of 13 Old 12-16-2013, 03:23 PM
 
 
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Try setting the fan to max and run Heaven just to see if the problem is temperature related.

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post #5 of 13 Old 12-16-2013, 03:49 PM - Thread Starter
 
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Quote:
Originally Posted by MrTOOSHORT View Post

Try setting the fan to max and run Heaven just to see if the problem is temperature related.


Just ran it again at max fan speed; temps were 57 before throttle.


EDIT: Wait, I forgot to set the TDP slider

EDIT 2: TDP set, throttled while it was at 56 celsius
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post #6 of 13 Old 12-16-2013, 03:50 PM
 
 
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Turn down the memory clock and try it again.

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post #7 of 13 Old 12-16-2013, 04:01 PM - Thread Starter
 
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Quote:
Originally Posted by MrTOOSHORT View Post

Turn down the memory clock and try it again.


Throttled again at +90/-120.

I guess I don't have much headroom on this card
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post #8 of 13 Old 12-16-2013, 04:02 PM
 
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I've found my MSI 670 'resets' like that when I either let it way overheat or the overclock is unstable enough and it sorta stays in that safe/limited state until I reboot.
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post #9 of 13 Old 12-16-2013, 04:03 PM
 
 
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If it only does this on Heaven and not in anything else, then I wouldn't get too hung up on it.

You could try another driver.

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post #10 of 13 Old 12-16-2013, 04:08 PM - Thread Starter
 
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The thing is I can still change the cards settings after re-opening Precision X.
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