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post #1531 of 2693
i would have bought an evga 670, if it were not for the crappy stock cooler they use. i dont like stock coolers, so it was between asus or gigabyte. i picked asus due to the glowing reviews. but i'm starting to wonder if they were cherrypicked cards that were sent for reviews.

btw does anyone know if different resolutions in the heaven benchmark alters the maximum o/c of these cards? i tried to find some documentation about running the benchmark at different resolutions or how that would effect the outcome, but have not found much info at all.
post #1532 of 2693
Quote:
Originally Posted by nemm View Post

Asus GTX 670 DCII non TOP final results smile.gif

Finished with the testing now and after 2hrs of heaven running , 3 loops of 3dmark vantage at extreme settings with no crashing or artifacts its good enough for me to say im stable for the time being. Over the next few days of gaming I will know as good as certain theyre stable if I get no problems.

Final clocks

GPU 1079 (+165)
Boost 1302
Memory 3564 (+560)

PT 122%

Max temp 67degC
Min temp 32degC

Its most likely I could fine tune the numbers and squeeze a little more but the numbers ive got im happy with. Coming from crossfired MSI 6950 TF 3 unlocked and OC to 6970, this card scores just shy of them but with out the stuttering and problems of crossfire which I didnt expect so I couldnt be happier at present.


Heaven @1080p, Shaders High, Textures High, 16x Anisotropy, 8xAA
Score 1314
FPS 52.2
Min FPS 31.4
Max FPS 134.3

V

Nice chip. How do you get the PT above 117%?
post #1533 of 2693
Update:

So i finally tried some OCing on this Top. Out of the Box it was 1293.4

Seems like the GPU offset didnt like me, and max i could actually get thru a full run of maxed out Heaven was at +39

So my highest 2 scores atm are:

GPU Clock: +39
Mem Clock: +550

FPS: 52.5
Score: 1322
Min FPS: 24.4
Max FPS: 137.0

GPU Clock: +37
Mem Clock: +575

FPS: 52.6
Scores: 1324
Min FPS: 24.2
Max FPS: 135.5

Now these were back to back runs. Temp stayed around 66-68C max. Voltage stayed at 1.175 but power was anywhere from 110-120.
Both of these runs has some random green flashes, so i dont think this is a stable OC yet.

What would u guys recommend that i do ? To find my final stable OC
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post #1534 of 2693
So Non-TOP it is, not sure if it's new or old news...but Amazon has them in stock again (non-top) for $419 as they should be:
http://www.amazon.com/ASUS-GeForce-GTX-670-DC2-2GD5-GTX670-DC2-2GD5/dp/B0081IFO2C/ref=sr_1_3?ie=UTF8&qid=1340068757&sr=8-3&keywords=gtx+670+asus

I just ordered one. It says there are 8 new available.

I hope it overclocks just as well if not better than my old faulty TOP.
    
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post #1535 of 2693
Of course Amazon finally has some in stock. I placed an order with superbiiz on Saturday that probably won't show up until next week.
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post #1536 of 2693
So should I grab the non top/msi twin frozr 4/ or the gigabyte? I'm going to get two...what say you?
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post #1537 of 2693
Quote:
Originally Posted by WiIdfire View Post

Ok in the same boat as many others here, out of the box my top card is unstable. Having read everything and fiddled for a few days I can make it stable but at a cost of noise. Basically what happens in heaven is that when the card hits 65degrees it drops the voltage from 1.175 to 1.162 and shortly afterwards crashes with the usual error message.
If I drop the speed from 1137 to 1111 the card still drops to 1.162v but the benchmark can now complete, with a maximum temperature of 73-74degrees. Note no amount of changing the maximum power changes this at 65 degrees the voltage always drops.
If instead of dropping the speed I up the fan profile so that it is hitting 80% at 70degrees the card now tops out at 63degrees under load and the voltage under load stays at 1.175 rather than dropping to 1.162, at this setting I don't crash at stock speeds. but it is quite a bit noiser and unfortunately it's a sort of whiney drone that's actually more annoying then the jet engine from my old GTX480.
Now it is my understanding that these cards are supposed to drop speed themselves when they hit 70degrees mine doesn't do that instead it seems to drop voltage at 65degrees which is crazy. When working hard you tend to need more voltage not less.
If my card is typical in this respect it looks like the max power doesn't really work properly as even set at 117% it was never getting above 103 but was still dropping voltage when 65 degrees was reached.
I'd suggest that the bios on the card needs sorting as all the elements don't seem properly controlled, if the card wants to drop voltage under load when it's hitting a temperature point surely it should also slow down a bit at the same time as the two should be linked.
For now I've just dropped from 1137 boost clock to 1111 with the max going to 1215 rather than 1241 under load, this seems rock solid at the 1.162 volts and around 72degrees at stock fan settings. Just about silent too and to be honest absolutely fine for any game I play.
It's hard to judge accurately what percentage of people are having issues because I assume most like me only came looking when they found they had a problem, but the issues seem pretty widespread and seem to effect other overclocked cards too, not just the really highly clocked Asus ones.
Now to keep it or RMA it that's the question, at current prices non top ones are just about what I paid for the top one so it's not a case of send it back buy a non top one and save a packet for the same performance. There is the obvious problem of resale value but I've never sold an old card yet, they sort of pass on down through the family so I'm not that concerned there either. I assume Asus will release a new bios that will probably alter the overclocked settings in some way to make all the cards stable, hopefully soon. So it really comes down to a question of how cheated do I feel that something I've bought doesn't do what it says on the tin against the hassle of returning it and getting an alternative that may also have issues.
What we really need is a statement from Asus as to their intentions and soon.

Ok odd to reply to ones own post, but I've updated my bios to the new version a few hours ago so here are my initial updated results.

At stock my max GPU speed has dropped from 1241 to 1189 as expected, the rest is more interesting!
Running Heaven at the new default is stable on a few passes, but not a shock as1189 is well below the 1215 I was at manually, I'll do a more exhaustive test tomorrow. The default fan speed sits around the 50% mark at this load, up about 5 and the temperature at 64-65 degrees which is about 8 degrees lower than before. I thought this odd till I noticed the power was now only sitting at 90% and not 100% as before. The voltage now drops from 1.175 to 1.162 at 55degrees rather than 65. It looks like more than a dropping of 4 bins is going on here unless the answer is the dropping of the bins has caused the chip to run in a much sweeter power spot. Upping the GPU clock back to my original stable 1215 still works but now at about 7degrees cooler and 10% less power usage, figure that one.

Anyway so far I'm happy with the new default speed and won't be RMAing the card now as it is effectively stable at stock 1058-1137Mhz as written on the box so any resale issue is effectively negated. Granted it's at 1189 max now rather than 1241, but had it been stable at 1189 as purchased initially I'd have been happy with that too. I will be giving it a more exhaustive test but fingers crossed.
post #1538 of 2693
Quote:
Originally Posted by Gauntlet3h View Post

Wait ... onboard sound as in the onboard sound off the video card or off the motherboard. Sounds like you are connecting your 5.1 via optical cable to your motherboard audio port. If this is the case when you plug in your displayport you should right click the sound icon in your tray and select playback devices. change the playback device to your optical cable rather than the displayport.
Does it flicker in Heaven?

No Flicker in heaven at all, even 10 - 20 mins after it - still no flicker. starting to think when the card is cold it flickers and when under load / increasing temp its fine...

Will try that playback devices - could of sworn i changed it to onboard sound - not the display port but will triple check this and see if that resolves it.

Thanks again G.
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post #1539 of 2693
Quote:
Originally Posted by Alyjen View Post

One thing regarding Asus DirectCU II cooler vs Gigabyte OC one mentioned in previous posts
Asus will give you lower full load noise but at the cost of temperature, it can hold something between 72-75C under full load with fans rpm staying good below 2000 which I find silent, but if you try to stay below 70, then it ramps up to above 2000, closer to 2500rpm with rather unpleasant noise -> fans doesn't seem to work with very stable speed, it's not how loud card is but rather how it sounds, in very quiet environment it just doesn't sound right even thou it's not very noisy card, higher rpms goes more stable fans are, card's getting louder but it sound ok
that's all compared to Noctuca 92mm fan running 800-1200rpmg and Corsair HX cooler I have in my rig
GB holding 70C produce less noise
I'd say this particular DirectCU cooler is designed to operate above 70 and forcing it lower is not very efficient
that's wrong, even in HTPC (Silverstone LC17) I'm able to keep it well under 70 without reaching 85%

My experience with the same card is quite different, and a number of other posts (SLI notwithstanding) have also had better outcomes trying to balance fan noise with heat. This card is very quiet even at higher RPM's to my aging ears.

As depicted in the image below, max fan speed during Heaven is 75% / 2970 RPM while max temp is 57-58c. I can make the fan profile slightly less aggressive and keep it under 60% at the cost of 3-4c increased temperature. It would seem that I've got either an exceptionally cool card or better overall thermal management relative to your setup. System details are in my sig, no additional case fans beyond what came in the 650D, no push/pull arrangements on the H100 either, strictly stock fans exhausting upwards, mounted underneath the CPU radiator, which is suspended from the top of the case.
700
Edited by Corndart - 6/18/12 at 9:43pm
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post #1540 of 2693
Quote:
Originally Posted by illli View Post

i think it was 1202 or something around that. but that confuses me even more because i thought the default was 1137 and 1137+ 35 does not equal 1202 O_o

See the first link in my sig for the explanation of why this is.

ALSO, to everyone who's got the new bios ... does it work by reducing your previously found Kepler Boost, or does it just reduce your boost clock, and the KB stays the same.

IOW, do you still see 1137 as boost clock in GPU-Z, or does this go down by 53 and the KB stays the same?
Quote:
Originally Posted by nemm View Post

Asus GTX 670 DCII non TOP final results smile.gif
Finished with the testing now and after 2hrs of heaven running , 3 loops of 3dmark vantage at extreme settings with no crashing or artifacts its good enough for me to say im stable for the time being. Over the next few days of gaming I will know as good as certain theyre stable if I get no problems.
Final clocks
GPU 1079 (+165)
Boost 1302
Memory 3564 (+560)
PT 122%
Max temp 67degC
Min temp 32degC
Its most likely I could fine tune the numbers and squeeze a little more but the numbers ive got im happy with. Coming from crossfired MSI 6950 TF 3 unlocked and OC to 6970, this card scores just shy of them but with out the stuttering and problems of crossfire which I didnt expect so I couldnt be happier at present.
Heaven @1080p, Shaders High, Textures High, 16x Anisotropy, 8xAA
Score 1314
FPS 52.2
Min FPS 31.4
Max FPS 134.3
V

So, what's your actual max boost, i.e. what does AB graphs say your core clock is when it's running a full load? I'd guess you're somewhere north of 1200MHz if your offset is +165. Exactly how much faster it's running depends on the Kepler Boost of your particular card.
Edited by brettjv - 6/18/12 at 10:00pm
    
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