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[OFFICIAL] GTX 670 Overclocking - Page 62

post #611 of 1562
Quote:
Originally Posted by Epsi View Post

Saturday i received a Asus GTX670 DCII. Max clock i can reach is +155 (1239MHz) on the core, +160 and the driver crashes.
Too bad it's not that great overclocker.
+155 core
+500 memory Warning: Spoiler! (Click to show)
p9692.jpg

Quote:
Originally Posted by pc-illiterate View Post

epsi, thats not a bad clocker.....

Yeah thats not a bad clocker, its just not golden. BAD is the first 670 I had, was an asus dcii gtx670 (non top) and would crash on heaven at 1160mhz so its real game stable probably would have been 1090-1100mhz.

edit:
oh and that asus didnt even like a +400 on memory (3400mhz) at that point i would start to get SOME artifacts. I wasnt sure but I have a feeling heatsinks on the memory would help, my FTW will do 3900mhz benching, 4000mhz artifacts, so far have worked my way to 3600mhz gaming and want to find its gaming max then settle for 3400-3600mhz.
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post #612 of 1562
Quote:
Originally Posted by 66racer View Post

Yeah thats not a bad clocker, its just not golden. BAD is the first 670 I had, was an asus dcii gtx670 (non top) and would crash on heaven at 1160mhz so its real game stable probably would have been 1090-1100mhz.
edit:
oh and that asus didnt even like a +400 on memory (3400mhz) at that point i would start to get SOME artifacts. I wasnt sure but I have a feeling heatsinks on the memory would help, my FTW will do 3900mhz benching, 4000mhz artifacts, so far have worked my way to 3600mhz gaming and want to find its gaming max then settle for 3400-3600mhz.
Quote:
Originally Posted by pc-illiterate View Post

epsi, thats not a bad clocker.....

Well ok its not that bad, i just wish it did go a little higher. smile.gif
post #613 of 1562
Is there anyway to bypass the 80% fan limit? I'd at least like the option to go to 100%. Thanks. Ah nevermind, I'm just going to set up an auto profile.
Edited by Slightly skewed - 6/11/12 at 9:43pm
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post #614 of 1562
Quote:
Originally Posted by Slightly skewed View Post

Is there anyway to bypass the 80% fan limit? I'd at least like the option to go to 100%. Thanks. Ah nevermind, I'm just going to set up an auto profile.

Yeah Im with you, They should have scaled the profile correctly since 80% really is 100%

I just made a custom profile also
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post #615 of 1562
I am looking into getting the Gigabyte GTX 670 OC 2GB and I am not sure how the core clocks work. the base clock is 980MHz but the boost clock is 1058MHz.....how does that work I am confused?

is it just for the sake of comparison or does the card go between the two depending on load or something?
post #616 of 1562
I created another thread about this, but since I have a GTX 670, I thought I would ask here as well...

Does anybody get flickers on the dragon scene in Heaven 3.0? No matter the driver or clocks, they are always there. Sometimes they are worse at different clocks, but this is likely due to card stability at those speeds. From the things I have read, this appears to be a problem people have encountered over various makes and models of cards.

Thoughts?
Edited by oryon - 6/12/12 at 5:53am
post #617 of 1562
Quote:
Originally Posted by Epsi View Post

Saturday i received a Asus GTX670 DCII. Max clock i can reach is +155 (1239MHz) on the core, +160 and the driver crashes.
Too bad it's not that great overclocker.
+155 core
+500 memory
p9692.jpg

not a bad memory clock at all. I have got 1313 on the core which is really nice, but only +460 ( so 6920mhz) on the memory. I dont even get artifacts on the memory when i push it past 460 offset, my driver just crashes whenever i run a heaven or 3d mark 11
post #618 of 1562
Quote:
Originally Posted by thegh0sts View Post

I am looking into getting the Gigabyte GTX 670 OC 2GB and I am not sure how the core clocks work. the base clock is 980MHz but the boost clock is 1058MHz.....how does that work I am confused?
is it just for the sake of comparison or does the card go between the two depending on load or something?

All of these cards have a base and boost clock. The boost clock is what you card hits when its loading. So when you run a 3d mark 11 or even a intense game your boost will whack up to its max. But thats not its set speed ( in contrast with a 7970 or something.) Think of it as on the fly overclocking. If your card is working it will boost if it isnt then it wont so yes when its not loading it wont be at the boost clock of 1058.

I guess your talking about this ( here) giga card right? Its the one i have. I have to say you cant go wrong with it. Mine overclocked like a champ. Memory a little on the low side, but i have a stable boost clock of 1313 on the core which is pretty sweet. I get near 10700 graphics score ( not overall, just graphics, most people are getting around 10.2-5k) I think i just struck lucky, some have got even better ( well much better on the memory, mine is pretty mediocre ). Also i found that infact my stock boost out of the box was infact 1150, 100mhz higher than the stated boost. Which was pretty sweet. It seems that a lot of people getting the giga card have found that their stock boost has ended up being around 100mhz high. Long story short, its a good card. Get it. Also if you plan to WC its got a ref 680 pcb, so you can just whack a 680 block on it. Although in all fairness you dont need wcing with that coolers. even at my max overclock i dont go past 60 c on auto fan speeds.
post #619 of 1562
Quote:
Originally Posted by thegh0sts View Post

I am looking into getting the Gigabyte GTX 670 OC 2GB and I am not sure how the core clocks work. the base clock is 980MHz but the boost clock is 1058MHz.....how does that work I am confused?
is it just for the sake of comparison or does the card go between the two depending on load or something?

The way it works is that under most conditions your actual operating frequency will be Stock Boost Clock + whatever Offset you apply in an OC'ing tool + your individual card's 'Kepler Boost'.

The sum of the first two values is what you'll see listed in GPU-Z as the Boost Clock, and the sum of all three is what you'll see in the Afterburner/PresX/GPU-Z graphs when the card is put under a full 3d load.

Most of the 670 cards people around OCN have received are showing a Kepler Boost value in the range of 75MHz - 150MHz, average is probably about 110 or so. My particular GB card has a KB of 130MHz, so when I run 3d apps (at stock clocks), I see an actual core clock of 1189MHz (1059MHz Stock Boost + 130MHz KB) when I monitor it in the Afterburner graphs. Most folks around here call this value the 'Max Boost' you're getting on the card.

There are however conditions under which your clocks could end up lower, such as if your GPU usage is low, the card will downclock to save power, or if the card is consuming too much electricity vs. it's target power consumption value, or if the temps are too high it could also downclock a bit. Raising the cards Power Limit in an OC'ing tool like AB is a way to potentially avoid a small amount of downclocking the card might do if the card is drawing more juice than it 'thinks' is appropriate.

Here's a screenshot to illustrate. In this I've OC'd the card by +148, so my actual 'max boost' on load is 1337. The difference between what GPU-Z says is my boost clock and what AB says is my actual operating frequency (1337-1207) is my KB of 130MHz.

286
Edited by brettjv - 6/12/12 at 7:57am
    
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post #620 of 1562
Is there a reliable way to set a global frame rate limit? I'm getting 200+ FPS in some games with the card going past 70% power target. It's a waste, and the fans get relatively loud.
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