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~~The GTX 670 Overclocking Master-Guide~~ - Page 230

post #2291 of 3357
Quote:
Originally Posted by Tagek View Post

Hey I have some questions about this guide.

I tried some fairly small overclocks in terms of my clockspeed (unfortunately I crash at more than ~89 offset but I guess I have a weak card).
The thing is, my Heaven Benchmarks scores vary A LOT.

With a 54 offset I got a 1177 score, and with 74 I got 1190. However, later on I tried tried the same / similar settings again yet got MUCH lower scores (around 1140).

My question is:

Is this normal for Heaven Benchmark, and should I keep pushing the coreclock as long as I don't see artifacts and crashes?
Or should I worry about those strange score fluctuations?


Any help would be greatly appreciated. smile.gif

Could be the card throttling due to heat, try to max out the fan speed then do the runs see if they vary.
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post #2292 of 3357
^
Already maxed (caps out at 80%), the temperature has never gone over 69 degrees celcius so far.
post #2293 of 3357
going to water allowed me to drop my temps enough to move the gpu offset from 120 to 160. Not too shabby. Any higher and heaven crashes in the middle of the benchmark. Not seeing north of 50 C after going water (reference fan would go up to 70C and be as loud as a hairdryer). Thanks for the guide!thumb.gif
 
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post #2294 of 3357
Quote:
Originally Posted by Tagek View Post

Hey I have some questions about this guide.

I tried some fairly small overclocks in terms of my clockspeed (unfortunately I crash at more than ~89 offset but I guess I have a weak card).
The thing is, my Heaven Benchmarks scores vary A LOT.

With a 54 offset I got a 1177 score, and with 74 I got 1190. However, later on I tried tried the same / similar settings again yet got MUCH lower scores (around 1140).

My question is:

Is this normal for Heaven Benchmark, and should I keep pushing the coreclock as long as I don't see artifacts and crashes?
Or should I worry about those strange score fluctuations?

Details:

670 GTX (factory OC'd by about 50 mhz)
I7 3770K @ 3,5 ghz stock.
My fan speed is at 80% and my temps don't go above 69 degrees celcius
Power limit at max allowed (122), voltage at max allowed (1150).
The program I used was EVGA Precision X (version 4.0)

Any help would be greatly appreciated. smile.gif

Always run Heaven twice, and take the second score. The first time through you will get crazy low min FPS scores as the benchmark loads the new scenes (or whatever it is doing). The second run will be higher and more consistent. You can also just use Enter to cycle through all the scenes before hitting F9 to start benchmarking.
post #2295 of 3357
Quote:
Originally Posted by Forceman View Post

Always run Heaven twice, and take the second score. The first time through you will get crazy low min FPS scores as the benchmark loads the new scenes (or whatever it is doing). The second run will be higher and more consistent. You can also just use Enter to cycle through all the scenes before hitting F9 to start benchmarking.

So initially, Enter through all scenes until you come back to the first scene and then press F9?
post #2296 of 3357
That's how I do it. Seems to work better.
post #2297 of 3357
Are there any closed loop watercooling system for a CPU that can easily fit on the GTX680 with minimal modding ?
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post #2298 of 3357
You can use Dwood's bracket ( triptcc.com ) to mount some of the Asetek-made models easily. That fits the Corsair H series coolers, the Thermaltake Big Water series, and the Antec Kuhler series.
post #2299 of 3357
This is what it looks like with Dwood's Bracket. I have the one where you can mount a 80mm fan as well. It really works perfectly. Warning: Spoiler! (Click to show)
My card is a 670 FTW, which uses the 680's reference PCB.
Edited by Juraat - 4/14/13 at 6:10pm
post #2300 of 3357
my watercooled REF MSI 670 can only get like 1240 Stable at 1.23V.
I can get 1280 but It is only stable for the first run oh Valley. It fails the second run for some unknown reason.
I just recently did a clean install of win 7.

Should I not be getting higher clocks than this? Some users get around 1300
Unless my card is a crappy bin
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