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[SOLVED] Utterly confused with MSI GTX680 - MSI Afterburner - Overclocking

post #1 of 53
Thread Starter 
UPDATE:

I managed to OC my GPU and make sure it is stable on heaven 4.0, valley 1.0 and 3D mark 11 - I did over 15 passes of each and THEN gamed on BF4 for at least 5hrs, and didn't notice any problems - so I think it is safe to say I'm fully stable.
My OC ended up with a tiny core clock of +55 but a nice chunky +600 mem OC - this is on stock voltage and max power limit.

Click here to view my final results

To find out about your max clock - I suggest using valley to see it - I have proof and explanation - HERE


Hi guys,

Recently I decided to start tweaking my rig a little.
I'm already stable on my i7 3770k CPU with a 4.5ghz OC (24hr prime stable + folding stable).

Here's my GPU card via GPU-Z + MSI afterburner screenshot: Warning: Spoiler! (Click to show)

When doing OC'ing I increase the power + voltage limits to the max & adjust either the core or mem clock accordingly. Warning: Spoiler! (Click to show)


After upgrading my GPU to a GTX680 from a GTX 660ti, I didn't touch the factory OC (on either card).
Recently, I thought - I got extra performance waiting fro me to utilise and I might as well use it.
Started off with OC'ing my LG IPS 234V monitor from 60hz to 70hz and now it is time for the GPU.

I got a lot of patience and try to understand everything that I've read on the internet, on the forums (including the 670 master guide) and even asking a friend who has much more experience than I do in OC'ing GPUs - but with that said, I really can't get my head around it - I've wasted around 3-4hrs (as I let the PC run the benches without having anything running nor doing anything other than stare at my screen to check for artefacts and tearing etc) now and I've achieved absolutely nothing.

Here's where I'm stuck:
I hit up the core clock on MSI afterburner (whilst having the mem clock on +0) and have been trying benching.
I started with 3d mark 11 - basic / free edition and running it on performance - centred + benchmark only:
I got to a point where the driver would crash or the screen would go black for a second (where my monitor would "refresh") and then the bench would continue.
That was at +130 core clock.
I had passed every bench from +60 to +120 (increasing the core clock by +10 each time).

STOCK bench +0: 10583: Proof (Click to show)

Bench screenshots below from the core clock being +60, + 70, +80, +90, +100, +120 (all in the same order below).
Top Graphics score on +120: 11652
Proof (Click to show)







I then restarted the PC (as advised by my friend), due to the crash - and then re-ran at +120 - my score was now considerably lower.
I re-ran again and again it was lower.
So I dropped it to +100 and it raised again.

I decided to screw 3D mark 11 and go over to Valley benches.
I started with +100 got a decent score, then on the second bench got a considerably higher score (nothing changed) and then re-ran it again for the third time in a row and got the result that I got in the first instance.

STOCK +0: Warning: Spoiler! (Click to show)

+100 core clock (two benches, radically differently scores: Warning: Spoiler! (Click to show)


I thought: OK +100 seems decent enough, let me try and hit up 3D mark again.
Went back to 3D mark and got a considerably LOW score, in comparison to the benches I had done previously.

+100 bench with a low graphics score of: 10516 (previous bench above and shown was 11475 for the same +100 core clock) Proof (Click to show)

Now, I'm having all these problems with the core clock and I understand I have to be patient - but at this point I'm just going in circles, I don't understand what's going on nor what to do and/or progress.
I should state: I'm really happy with my GTX 680 and don't NEED to OC - but I want to, as it's a little FPS I can gain for "free" and at no expense.

I should also mention my temps don't go over 70c - due to the aggressive fan profile I've setup - thus the kepler drops doesn't come into play (as pointed out by the GTX670 master guide).



Anyway, can anyone advise me what to do, what to look out for and what values I should put in as a stepping stone.
I know EVERY GPU and system is different - but like in the CPU OC guide, a +1.25v on IB is a good stepping stone @ 4.5ghz - you might need more or might need less, but you start somewhere.
With the GPU - I have no idea what to start with, nor what the actual OC'ing I'm doing is going to do for me.
Sure I see a difference in benches, but I want to know what difference is that going to do realistically for me whilst playing BF4 (for example)

Any reply is appreciated - even links. I have been doing a lot of reading around and a lot of youtube watching and I still can't get my head around it. If it wasn't for research, I wouldn't be posting here.

-Dubbed
Edited by Totally Dubbed - 11/27/13 at 4:02pm
post #2 of 53
Provided you have ample cooling, my method is simply to max the un-modded voltage and jump up 50-100 Mhz at a time until can:

A. Get through 3D Mark 11 benchmark without a driver crash.

B. Play my favorite games without issues (I don't specifically test for this, just play games like I normally do, but games are usually a good indicator if our OC is stable and won't produce artifacts in the long run.

Honestly, you can it as simple or complicated as you want. First and foremost, I wouldn't worry about benchmark scores, but rather that your card is scaling correctly during the benchmarks or normal use aligned with you overclocked settings.
post #3 of 53
first, 3dmark 11 wont mean squat. i can run it higher than heaven 3 or 4 or valley.
second, stupid question, did you click start with windows before you restarted and got the lower score?

try for 1300mhz core right off the bat in heaven4. if the driver crashes, restart and try 1285. keep going backwards until you dont driver crash. problem and p.i.t.a. is you have to restart everytime the driver crashes. this is how i did my dc2 and i was good up to 1311mhz until nvidia started releasing driver updates. now im stuck at 1285mhz on the dc2.
just my $.00005 worth.
check your power% and make sure you arent going over your target of 132% that will cause a quick crash
hope ya get this solved dubbed
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post #4 of 53
Thread Starter 
Quote:
Originally Posted by Infinite Jest View Post

Provided you have ample cooling, my method is simply to max the un-modded voltage and jump up 50-100 Mhz at a time until can:

A. Get through 3D Mark 11 benchmark without a driver crash.

B. Play my favorite games without issues (I don't specifically test for this, just play games like I normally do, but games are usually a good indicator if our OC is stable and won't produce artifacts in the long run.

Honestly, you can it as simple or complicated as you want. First and foremost, I wouldn't worry about benchmark scores, but rather that your card is scaling correctly during the benchmarks or normal use aligned with you overclocked settings.

See that's the thing - the benches don't scale properly nor have a relation - 1 bench I get a good score then the second bench (without changing or restarting anything) I get a lower score.

Quote:
Originally Posted by pc-illiterate View Post

first, 3dmark 11 wont mean squat. i can run it higher than heaven 3 or 4 or valley.
second, stupid question, did you click start with windows before you restarted and got the lower score?

try for 1300mhz core right off the bat in heaven4. if the driver crashes, restart and try 1285. keep going backwards until you dont driver crash. problem and p.i.t.a. is you have to restart everytime the driver crashes. this is how i did my dc2 and i was good up to 1311mhz until nvidia started releasing driver updates. now im stuck at 1285mhz on the dc2.
just my $.00005 worth.
check your power% and make sure you arent going over your target of 132% that will cause a quick crash
hope ya get this solved dubbed

Yeah that's what I felt with 3d mark...but on the flip side:
Ran heaven (not valley) and achieved high clocks at +700 mem clock - but on 3d mark it would give me a drastically lower score than vs +400/+500 - that's why I'm still confused about it lol.

As for restarting - not sure what you mean - I did a shutdown + cold boot AND in other occasions did windows restart (I'm running on win7 64bit)

Understood about the OC - that said I doubt it can make it.
I hit up +90 or anything above - EACH TIME it would get to the cannon on HEAVEN it would give me a black screen and then come back and continue.
So in that respect, do I treat a black screen as a failure? Because I did.
Black screen for me = screen goes off as if I had just changed input on my PC - the screen comes back and says "DVI" at the top.
I didn't have these black screens at +60 core clock.

I'll check the TDP in more detail - I'll just hit up the MAX button on GPUZ to monitor it.
As far as I'ma ware it doesn't go above 1.1v or something close to that.
post #5 of 53
yeah i meant a pc reboot. i can take my memory up 700mhz higher in 3dmark benches than i can in heaven or gaming.
yes that black screen is a driver crash and needs a reboot. im glad i didnt have your problems. as i said earlier, i hope you get it sorted. if you dont, just buy another lol

*EDIT* - no i meant a second one...
Edited by pc-illiterate - 11/24/13 at 3:24pm
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post #6 of 53
Thread Starter 
Quote:
Originally Posted by pc-illiterate View Post

yeah i meant a pc reboot. i can take my memory up 700mhz higher in 3dmark benches than i can in heaven or gaming.
yes that black screen is a driver crash and needs a reboot. im glad i didnt have your problems. as i said earlier, i hope you get it sorted. if you dont, just buy another lol

haha biggrin.gif
Nah man I'm really really happy with my GTX680 - I don't need the extra performance in reality, but if it is there to be utilised - why not exploit it.
Like a CPU OC.

Who knows I might liquid cool my GPU, flash the bios and have fun biggrin.gif

EDIT:
Just ran valley - here's the GPUZ of it:
Put it to +200 see if I would notice a crash or anything - passed, but the score was identical to the STOCK one (going to be more realistic and go to +70, did +200 for fun to be honest):


Edited by Totally Dubbed - 11/24/13 at 3:39pm
post #7 of 53
Thread Starter 
I thought to update you guys:
So I've been benching on HEAVEN quite a lot - as it seems that VALLEY doesn't pick up/lock up at all - but instead just gives the same scores - which doesn't help me.
From my benches on Heaven (passed over 8x with no problems) my max CORE CLOCK is +60.
The only change I've done is: leaving my core voltage untouched. More I read into it, the more people say to leave it alone or to restore it to +0. So I rather know my max OC at the voltage I would be using it at, rather than a temp voltage to get me passed some synthetic benches.



Here are some pictures:

3D mark:
STOCK results: 10520 & 10583 Warning: Spoiler! (Click to show)

+60 3D mark: 11213 & 11171 Warning: Spoiler! (Click to show)


Heaven stock: 935 Warning: Spoiler! (Click to show)

Heaven +60 bench: 956 & 963 Warning: Spoiler! (Click to show)



I'm now moving unto the mem clock (and leaving core clock to +0) on 3D mark - as heaven always passed for me on mem clocks!

UPDATE:
So I think I made real progress!

I tested +700 mem and it didn't give a higher score (sometimes lower) on 3d mark and crashed a few times on either heaven or 3d mark.
+600 however seems to be the sweetspot right now.

I think went for my OC (put together) ran 3d mark a few times and heaven a few times too.
Everything passes and the scores are reasonably consistent.
I'm calling it a night for now - but tomorrow I'm going to do some intensive heaven runs. As I had at some point heaven outputting a max FPS of only 50, giving me a stupidly low score of 600 points - after a restart it solved it.

Anyway, here are some more screenshots!
+60 core +600 mem:
GPUZ + voltages + AB:


Heaven: 1029 & 1038



3d mark: 11425 & 11460




UPDATE2:
I also adjusted my fan profile again - this time it is always under 70c and ALSO super quiet!



Update 3:
Gahhh it crashed at +60 +500, not sure which is to blame, so I've dropped mem to +450
Seems like I've got a horrible overclocker
Edited by Totally Dubbed - 11/25/13 at 4:34am
post #8 of 53
I had issues with PrecisionX and Heaven 4.0. 4.0 just didn't realise the card was on OC settings... dunno why, but 3.0 did, perhaps it's worth trying that?
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post #9 of 53
Quote:
Originally Posted by Totally Dubbed View Post

I thought to update you guys:
So I've been benching on HEAVEN quite a lot - as it seems that VALLEY doesn't pick up/lock up at all - but instead just gives the same scores - which doesn't help me.
From my benches on Heaven (passed over 8x with no problems) my max CORE CLOCK is +60.
The only change I've done is: leaving my core voltage untouched. More I read into it, the more people say to leave it alone or to restore it to +0. So I rather know my max OC at the voltage I would be using it at, rather than a temp voltage to get me passed some synthetic benches.



Here are some pictures:

3D mark:
STOCK results: 10520 & 10583 Warning: Spoiler! (Click to show)

+60 3D mark: 11213 & 11171 Warning: Spoiler! (Click to show)


Heaven stock: 935 Warning: Spoiler! (Click to show)

Heaven +60 bench: 956 & 963 Warning: Spoiler! (Click to show)



I'm now moving unto the mem clock (and leaving core clock to +0) on 3D mark - as heaven always passed for me on mem clocks!

UPDATE:
So I think I made real progress!

I tested +700 mem and it didn't give a higher score (sometimes lower) on 3d mark and crashed a few times on either heaven or 3d mark.
+600 however seems to be the sweetspot right now.

I think went for my OC (put together) ran 3d mark a few times and heaven a few times too.
Everything passes and the scores are reasonably consistent.
I'm calling it a night for now - but tomorrow I'm going to do some intensive heaven runs. As I had at some point heaven outputting a max FPS of only 50, giving me a stupidly low score of 600 points - after a restart it solved it.

Anyway, here are some more screenshots!
+60 core +600 mem:
GPUZ + voltages + AB:


Heaven: 1029 & 1038



3d mark: 11425 & 11460




UPDATE2:
I also adjusted my fan profile again - this time it is always under 70c and ALSO super quiet!



Update 3:
Gahhh it crashed at +60 +500, not sure which is to blame, so I've dropped mem to +450
Seems like I've got a horrible overclocker


What clockspeed does heaven read as?

There's a bug with heaven and the windforce 770 at least - it clocks to the very high 1200's, like borderline unstable on max settable voltage, it crashes with even a 20mhz offset on my card.

I can set 1293 core though - this gives me ~53.7fps on one of my better runs on the extreme preset, that is, one-click extreme profile, 1600x900. How's your performance compared to that?

770 should be very marginally better. Same GPU, but better memory clocks but it doesn't mean much
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post #10 of 53
Thread Starter 
Quote:
Originally Posted by Gero2013 View Post

I had issues with PrecisionX and Heaven 4.0. 4.0 just didn't realise the card was on OC settings... dunno why, but 3.0 did, perhaps it's worth trying that?

I definitely wouldn't do that - for me that would scream instability.
If the older version runs, but the newer one doesn't - I would say the newer one is more intensive and thus finds more errors!
Quote:
Originally Posted by Cyro999 View Post

What clockspeed does heaven read as?

There's a bug with heaven and the windforce 770 at least - it clocks to the very high 1200's, like borderline unstable on max settable voltage, it crashes with even a 20mhz offset on my card.

I can set 1293 core though - this gives me ~53.7fps on one of my better runs on the extreme preset, that is, one-click extreme profile, 1600x900. How's your performance compared to that?

770 should be very marginally better. Same GPU, but better memory clocks but it doesn't mean much

Well I've been benching via heaven 4.0 rather than valley 1.0 - simply because valley wouldn't pick up errors - it would run the whole bench and then give me the same score - thus leading me to believe the OC wasn't good.
Heaven 4.0 on the other hand would black screen or CRASH.
As for 3d mark 11 it would also crash at certain times.

I ran heaven with my +600 mem and +55 core clock OC with +0 voltage and it passed 14x without a single error and giving me quite a good score at the end too.
I'm going to run valley and 3d mark a few times and if that passes then I'll settle for it being stable.
I ran back to back benches - pushing the GPU temp to 72c.

Here's the proof:



Overall it seems that my GPU is a good mem clocker but a horrible core clocker.
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