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~~The GTX 670 Overclocking Master-Guide~~ - Page 250

post #2491 of 3357
Hi guys!

Im on:
i7 3770K @3.5 Ghz , Geforce GTX 680

All settings are on MAX and resolution is 1920x1080.
This is my result: http://i43.tinypic.com/9pnqsi.png (Also I dont know how to crop out my second screen, it doesnt show in the prtscreen in Paint tongue.gif )

My offset is +110 and memory +200

The results arent that great huh? Also, are you guys seeing like, an instant of screen flicker at almost each changing scene? It disappears quickly, but its there for an instant. (Its there even with all Precision-X settings on default)

Cheers!
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post #2492 of 3357
Hi, first of all sorry for my bad english.
Just asking am I doing something wrong or do I just have bad card?
I have evga reference gtx 670. I do not manage to get more than +100 core offset and +120 mem offset stable.
I have tried voltage control (default-max) But there is no difference and the power target is on max.
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post #2493 of 3357
ok guys, first no more of the 'my offset is +xxx". we need your max clocks because not all cards have the same max clock under boost stats.
second, we need all settings in heaven and nvidia control panel. some run with all nvcp settings at default and others with all set at high performance.
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post #2494 of 3357
Quote:
Originally Posted by RickRockerr View Post

Hi, first of all sorry for my bad english.
Just asking am I doing something wrong or do I just have bad card?
I have evga reference gtx 670. I do not manage to get more than +100 core offset and +120 mem offset stable.
I have tried voltage control (default-max) But there is no difference and the power target is on max.
my nvidia control panel is on default and my max boost is 1179Mhz. I run heaven on max.
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post #2495 of 3357
Quote:
Originally Posted by Nifelwind View Post

Hi guys!

Im on:
i7 3770K @3.5 Ghz , Geforce GTX 680

All settings are on MAX and resolution is 1920x1080.
This is my result: http://i43.tinypic.com/9pnqsi.png (Also I dont know how to crop out my second screen, it doesnt show in the prtscreen in Paint tongue.gif )

My offset is +110 and memory +200

The results arent that great huh? Also, are you guys seeing like, an instant of screen flicker at almost each changing scene? It disappears quickly, but its there for an instant. (Its there even with all Precision-X settings on default)

Cheers!

Those results look just fine for heaven4 with extreme tess on. This is what i got for that.
FPS:38.5 Score: 969 Min FPS: 22.3 Max FPS: 88.4

Also, might be better to use Valley instead of Heaven (3 or 4 what settings... yada, yada). There's an epic thread where hundreds of Valley extreme preset benchmark results are posted and put into a spreadsheet. Karlitos has generated dozens of graphs and charts from this data set. If you want to get an idea of how your card stacks up other 670s, that's a great place to look. You can also add to that large dataset.
http://www.overclock.net/t/1360884/official-top-30-unigine-valley-benchmark-1-0-fill-the-form
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post #2496 of 3357
Quote:
Originally Posted by michael-ocn View Post

Somethin seems off. I think you should be getting higher results. I do have the FTW card, but the difference seems larger than that could explain. I just ran Heaven3 with my clock set to stock, no adjustment to power target, and the default fan profile. Was probably throttling due to temps and maybe due to power usage (not sure because i wasn't monitoring those things). In this stock run, i got this score... FPS: 47.1 Scores: 1186 Min FPS: 22.8 Max FPS: 119.7

What does precx montoring tell you about what's going on? What are your temps? You will want to see nice flat horizontal lines for gpu and mem clocks for the duration of the run. If you see dips that coincide with temps exceeding 70 or if power usage exceeding your target, you'll want to do something to amp up the cooling (custom fan curve) and up the power target.
http://cdn.overclock.net/a/a5/a5b36674_Heaven4.png

Also, there's a point where increasing the mem clock can decrease performance. I think this is due memory errors happening, but they're correctable and get corrected, but sap overall system performance. You might be in that zone. I'd start with all default/stock settings to get a baseline. Look at the precx charts and adjust for temps and power. Then start upping clocks and discovering the max core, then max mem independently. Then putting them together. And then set things up under your maxes for your everyday overclock.

Temps don't go above 70 degrees. It does reach 68 degrees max. The graphs for the memory clock seem fine. Horizontal through almost the whole duration of the benchmark. For the GPU clock there's a lot of oscillation. It could be the card hitting the TDP as there are many instances where it goes above 122%. Default boost clock is 980Mhz and Memory clock is 1502Mhz according ot GPU-Z. Also running on default nVidia settings except for vsync which is off. Running heaven 3.0 with everything maxed out at 1920x1080.
post #2497 of 3357
Quote:
Originally Posted by michael-ocn View Post

Somethin seems off. I think you should be getting higher results. I do have the FTW card, but the difference seems larger than that could explain. I just ran Heaven3 with my clock set to stock, no adjustment to power target, and the default fan profile. Was probably throttling due to temps and maybe due to power usage (not sure because i wasn't monitoring those things). In this stock run, i got this score... FPS: 47.1 Scores: 1186 Min FPS: 22.8 Max FPS: 119.7

What does precx montoring tell you about what's going on? What are your temps? You will want to see nice flat horizontal lines for gpu and mem clocks for the duration of the run. If you see dips that coincide with temps exceeding 70 or if power usage exceeding your target, you'll want to do something to amp up the cooling (custom fan curve) and up the power target.
http://cdn.overclock.net/a/a5/a5b36674_Heaven4.png

Also, there's a point where increasing the mem clock can decrease performance. I think this is due memory errors happening, but they're correctable and get corrected, but sap overall system performance. You might be in that zone. I'd start with all default/stock settings to get a baseline. Look at the precx charts and adjust for temps and power. Then start upping clocks and discovering the max core, then max mem independently. Then putting them together. And then set things up under your maxes for your everyday overclock.

I ran heaven 3 again without the overclock. Got these results:

FPS: 35.7
Score: 900
MIN: 18.1
MAX: 86.3

Strangely though it seems that the GPU clock is not stable. http://cdn.overclock.net/b/bb/bbf96c6b_evgaprecisionx.png Could there be any hardware damage?
post #2498 of 3357
Quote:
Originally Posted by bent211 View Post

I ran heaven 3 again without the overclock. Got these results:

FPS: 35.7
Score: 900
MIN: 18.1
MAX: 86.3

Strangely though it seems that the GPU clock is not stable. http://cdn.overclock.net/b/bb/bbf96c6b_evgaprecisionx.png Could there be any hardware damage?

The twitches in clock speed are probably why you're getting low scores. Looks like as soon as the gpu started getting utilized, clocks started twitching down to ~1000. The max boost on the chart of 1110 is reasonable, but under load, you're never seeing that. If that run was with the power target at 100%, looks like it was doing a lot of throttling to stay under that target and killing perf.

If you increase the power target (max it out), while leaving clocks at zero offset, can you get it to run flat out at its max boost?

About damage, there's some variance in how particular chips behave. I'm not sure if what your seeing is outside of what would be expected, but looks like it may use more power than most at stock clocks. There's a forum over at evga.com, they know the ins and outs of evga cards more specifically. You might want to consult with them about this? http://www.evga.com/forums/tt.aspx?forumid=80
Edited by michael-ocn - 6/9/13 at 1:05am
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post #2499 of 3357
Quote:
Originally Posted by michael-ocn View Post

The twitches in clock speed are probably why you're getting low scores. Looks like as soon as the gpu started getting utilized, clocks started twitching down to ~1000. The max boost on the chart of 1110 is reasonable, but under load, you're never seeing that. If that run was with the power target at 100%, looks like it was doing a lot of throttling to stay under that target and killing perf.

If you increase the power target (max it out), while leaving clocks at zero offset, can you get it to run flat out at its max boost?

About damage, there's some variance in how particular chips behave. I'm not sure if what your seeing is outside of what would be expected, but looks like it may use more power than most at stock clocks. There's a forum over at evga.com, they know the ins and outs of evga cards more specifically. You might want to consult with them about this? http://www.evga.com/forums/tt.aspx?forumid=80

Hi again. I did as you said. Power target at max at 122%. Everything else on default including the voltage. Ran the heaven3 benchmark and strangely enough I got a better result than my overclock. Here are the results:

FPS: 45.6
Score: 1150
Min: 21.3
Max: 118.8

The GPU clock is much more stable than before but oscillates in some areas. http://cdn.overclock.net/4/4b/4b637587_precisionx.png Got flat lines in most areas at 1250Mhz.
post #2500 of 3357
tried modded bios today, Zotac GTX 670 AMP! edition

heres the result:
stable @
clock: 1267
mem clock: 3703

before w default bios:

clock:1228
memclock: 3648

its kinda low ,right?
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