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post #1651 of 2146
I notice you've left the memory at 1900. Is that simply because you don't think there's any advantage to be gained by increasing it any higher?
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post #1652 of 2146
No, there's great advantage in OC'ing the mem clock, my card just starts puking out artifacts as soon as I touch it lol. I may try to increase the memory voltage a bit to see if it helps.
When I run Unigine I have a minimum FPS of 14, and I suspect my memory clock to be the culprit. I just haven't gotten around to it yet.
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post #1653 of 2146
Quote:
Originally Posted by Agoriaz View Post

No, there's great advantage in OC'ing the mem clock, my card just starts puking out artifacts as soon as I touch it lol. I may try to increase the memory voltage a bit to see if it helps.
When I run Unigine I have a minimum FPS of 14, and I suspect my memory clock to be the culprit. I just haven't gotten around to it yet.

I tend to run 2200. Pushing voltage 2300 might be stable definite instabilities at 2400. Hard to tell when your on the edge but once you step across it you will know.

I benched some Crysis 2 time runs just increasing memory 100mhz at a time from 1900. Ill see if i can ever find the results. I never finished my testing.
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post #1654 of 2146
@Rain, have you applied extra voltage to the memory? Because even if I set mine to 2000, it starts artifacting in 3DMark11 especially. Just wondering, thanks for the info nonetheless!
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post #1655 of 2146
Quote:
Originally Posted by Agoriaz View Post

@Rain, have you applied extra voltage to the memory? Because even if I set mine to 2000, it starts artifacting in 3DMark11 especially. Just wondering, thanks for the info nonetheless!

I do but its been hard to determine what frequencies really need it and which dont. "Crash Testing" DX11 games is a time consuming business. Unigine Heaven is alot easier to roll with. Shader stressors like furmark, kombustor etc do little to test dx11 game stability and only push so much on memory as well.

I have done some OCCT memory tests with some success to narrowing down what I can run at stock memory voltage and what I can run at +50mv. But i rarely touch the clocks at the moment I cant even tell you how mine did off the top of my head.

Most people probably wont get very far and its definitely NOT worth the risk. But for those that are lucky there are some gains to be had. Memory bandwidth is very large bottleneck for graphics cards but if you cant push 100mhz your probably not going to be able to do it any real favors as you guys have already noticed.
Edited by RainMotorsports - 2/21/12 at 3:18pm
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post #1656 of 2146
HI folks, I've got a GTX 570 Direct CUII. I have it stable at 900/1800, 2153 memory and 1.125v. I have tried all the voltages from 1v up to try to get 900mhz stable but the card will just crash in Heaven and 3dmark11 at everything apart from 1.125v (with stock memory), but seems fine at 1.125v so i even upped the memory clock a bit and it is still stable with temperatures never getting above 70 degrees. I've played quite a lot of games at this clock and they run fine too. Is 1.125v to much to volts, should I down clock? I know that my card has a better PCB and more VRM's than a stock card but I can't help feeling a little worried. Does anyone else have this card and if so how were your clocks/volts?
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post #1657 of 2146
Quote:
Originally Posted by Agoriaz View Post

@Rain, have you applied extra voltage to the memory? Because even if I set mine to 2000, it starts artifacting in 3DMark11 especially. Just wondering, thanks for the info nonetheless!

I have the exact same card as you, the Gigabyte SOC, and I was able to easily push the memory to 2300 without adding addition memory voltage through OC Guru. I just used MSI AB and tweaked the settings per usual. You can see my SS above with my settings and benches.

EDIT: Sorry mate, just scrolled back up and noticed you've got he TF3, where Griff has the SOC.

Quote:
Originally Posted by .Griff. View Post

Having had to RMA my previous 570 I'm not sure whether to stick with what I've got to so far or keep pushing. Any advice? Warning: Spoiler! (Click to show)
326

I'd keep pushing just to see what you can get your clocks up to, since I had amazing results with my SOC. However for a 24/7 use I'd stick with the 845. I believe someone posted somewhere that at 850 the 570 run's at about a 580's performance. If you do push your card further, don't be afraid to turn that fan speed up. I run mine at higher speeds so the card stays a bit cooler. With my curve, my temps never raise above 60c @ 845, and 74@ 975. Surprisingly, the card is not extremely loud even up to 100%.
Edited by Shiromar - 2/21/12 at 10:39pm
post #1658 of 2146
When I'm done testing my cpu, I will try to do a couple of benches at stock and then only change the memory clock.
Quote:
Posted by valleydaz
I've played quite a lot of games at this clock and they run fine too. Is 1.125v to much to volts, should I down clock? I know that my card has a better PCB and more VRM's than a stock card but I can't help feeling a little worried. Does anyone else have this card and if so how were your clocks/volts?

In the end it's up to you to weigh the pro's and con's of the increased voltages, and how much you want to push your card. But at 70C you're still in the safe zone regarding temps. There really are as many opinions on safe voltages as there are people to write the posts about them. I think Nvidia has proclaimed 1.2v as max, but there are guys doing volt mods to up the voltages further.
It depends on the quality of your card as well. And I'm unfamiliar with the DCII card, but have heard nice things about it.
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post #1659 of 2146
Originally my 570 did 850MHZ @ 1.050V... now it does 835 @ 1.062V... it degraded.. so this is what im left with.
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post #1660 of 2146
Yet another thing to take into account when pushing clocks and volts
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