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*** GTX 670 Overclocking Thread ***

psychodil said:
You've changed your tune in the last week. In another thread you told me you always get the best. Now you're saying it isn't very good.
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You lack comprehension. How am I to know what is and isn't good until its been tested? The cards have been tested now. The gigabyte windforce is the clear winner and the KFA2 is no where near as good. Its better than the reference, but the windforce is too much better.

Makes sense?
 
bhavv said:
You lack comprehension. How am I to know what is and isn't good until its been tested? The cards have been tested now. The gigabyte windforce is the clear winner and the KFA2 is no where near as good. Its better than the reference, but the windforce is too much better.

Makes sense?
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Yes that makes sense, but you were bleating on about how good the kfa one was before it was properly tested, just to justify your purchase. Now it has been tested and shown not to be that great, you could at least admit you were wrong to make such statements so soon.
 
The KFA2 is a good card - high quality PCB, cherry picked 1215 MHz GPU, but its let down by a cooler that struggles to keep it below Nvidias thermal throttle at 70 degrees.

The fault is mainly that of GPU boosts throttling, not the card itself, but the Gigabyte windforce can maintain <60 degrees when overclocked well above 1250 Mhz.

The KFA2 isn't a bad card, any statement defending it as a good card is still true, and PCB / GPU wise its still one if the best you can buy. The cooling on it simply isn't as good as Gigabytes or Asus' coolers, and was insufficient for several people of keeping the GPU below 70 degrees at stock speeds and maximum fan speed.
 
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Here are my figures. I will put down both heaven and 3dmark11 scores and clocks. These are on a stock cooler. Enjoy!

Heaven
Make & Model: Gigabyte Windforce OC GTX 670
Best Boost clock: 1342
Memory clock: 7114
Temp: 54 C
Noise: Indeed what noise
Heaven Score: 2136
Heaven Avg. FPS: 84.8

Proof:
Heaven153552.jpg


3dMark 11
Make & Model: As above
Best Boost clock: 1354 (actually 1360 but with slightly lower mem clock)
Memory: 7354
Temp: 54C!
Noise: As above
3dMark11 Score: 10,445

Proof:
3dmark11165675.jpg
 
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Thank God! At last! Someone posted a result rather than their own deluded opinion.

And we know what their system is from reading their signature.

Helpful stuff.
 
** Use the RTM system please **

jallan said:
Can we please keep to the OPs request and keep discussions, personal insults and flaming in another topic? We're still on the first page but I have to still swim through a sea of rage and hate to find any overclocking results.

P.S has anyone varnished their card yet?
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You wish. I wish. Everyone wishes. It wont happen.
 
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bhavv said:
The KFA2 is a good card - high quality PCB, cherry picked 1215 MHz GPU, but its let down by a cooler that struggles to keep it below Nvidias thermal throttle at 70 degrees.
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I don't seem to have a problem keeping my temperatures low if I use a custom fan profile, set it so you pre-emptively increase the cooling before it reaches that magical 70 degrees. I've not had a problem keeping it below 70 since I made a nice custom profile through some testing.

However, I have to ask. If you knew No one made better cards that Gigabyte, MSI or Asus why did you go for the KFA2 card when the Gigabyte was available?
 
Got my windforce 670 upto (from memory, not exact figures):

1300 core
6610 memory
(heaven stable with the fan turned up)

I think there is more to be had but not much. I've had a few "driver hangs" a bit over that on both core and memory.

24/7 i'm currently running:
1250 core
6400 memory
(default fan profile, it never gets hot!)

Pretty pleased tbh.:)
 
Boge said:
Well I'm obviously not as important as you seem to think you are and that's for sure.

I was going to post in this thread about my recent benchmarking experiences with my new card.

As it is. It's just another thread ruined by you.

Goodbye.
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Missed this when quoting - I agree.

@the op sorry for going off topic andy
 
Gigabyte Windforce w/EK FC680 waterblock
Boost: 1354mhz
Memory: 7500mhz
Temp: 34c load
Noise: Non-existent
Heaven Score: 2157
Heaven FPS: 85.6
3DMark11: P10557

BF3 stable, cpu now at 5ghz.
 
Graph is coming along nicely, you might want to adjust the Windforce on water temp, I think you have used my windforce on air temp reading :)

Might be an idea to create some average boost/temps based on card? So someone can quick reference if they think "I might buy a Windforce, whats the average max OC" they can just take a look and see its probably somewhere in the region of 1340mhz.
 
I last updated it yesterday, will do an update at the end of the day

my plan is to do all sorts of graphs once we've got a bit more data to play with, 1-2 data points per model isn't really enough to draw conclusions

where data format matches mine I might drag some in from reviews to flesh it out a little (and the main 670 thread as some people are posting in there but not here)
 
andybird123 said:
I last updated it yesterday, will do an update at the end of the day

my plan is to do all sorts of graphs once we've got a bit more data to play with, 1-2 data points per model isn't really enough to draw conclusions
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I love what you're doing though, Its a great idea. I haven't had time to mess around in the last day or two with it but will try again.
 
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