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GTX 560 Ti 448 core OC Club - Page 31

post #301 of 2759
Quote:
Originally Posted by lolvik View Post

The EK GTX570 SE 1.1 block fits the Zotac GTX 560ti 448, at least.



Thanks. Looks like EK has a few waterblocks that will work.

http://www.coolingconfigurator.com/home
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B.K.T.
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post #302 of 2759
Quote:
Originally Posted by Arizonian View Post

Well all GPU's over clocking capabilities are different, so it might be for an OC yours might need 1.1000mV. I'd start by lowering Memory to 5% OC first. I'm not sure what the exact number is for that since I don't have a 448. Through GPU-Z you can tell how much of an OC you have by the 'validation' tab. You'll end up at a graph when you click the link. Then check your temps. It might be all you can do. Start there and see what kind of benchmark you end up between that and the lower memory setting.
You may notice temps will drop a bit too but not much if any FPS difference. Good place to start.

I tried 15%/15%/5% @ 1.038v, 1.050v, 1.063v, and 1.088v and got artifacts in OC scanner for each. Do you think maybe trying 14%/14%/5% and running through those voltages again is a good way to start? Thank you so much for your help, I really appreciate it.
post #303 of 2759
Quote:
Originally Posted by zackj3 View Post

I tried 15%/15%/5% @ 1.038v, 1.050v, 1.063v, and 1.088v and got artifacts in OC scanner for each. Do you think maybe trying 14%/14%/5% and running through those voltages again is a good way to start? Thank you so much for your help, I really appreciate it.

yeah i feel you. after temps hit above 55c its gets wacky.

im at 800 core cuz of my sound card in the way and cant adjust voltage..
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post #304 of 2759
Quote:
Originally Posted by zackj3 View Post

I tried 15%/15%/5% @ 1.038v, 1.050v, 1.063v, and 1.088v and got artifacts in OC scanner for each. Do you think maybe trying 14%/14%/5% and running through those voltages again is a good way to start? Thank you so much for your help, I really appreciate it.

I think you are jumping the gun a little bit. Reset it all back to stock and see how far you can go with stock voltage and only adjust the core/shader linked. Once you get to the point where it is not stable then slowly increase the voltage to stabilize. Then repeat the process by bringing the core/shader up again until you are not stable. Then once you get the core/shader where you want it with the lowest amount of voltage bump, you can now bring the memory up. Like most people mentioned, 5% is about the standard for memory.
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post #305 of 2759
Quote:
Originally Posted by Divey View Post

I think you are jumping the gun a little bit. Reset it all back to stock and see how far you can go with stock voltage and only adjust the core/shader linked. Once you get to the point where it is not stable then slowly increase the voltage to stabilize. Then repeat the process by bringing the core/shader up again until you are not stable. Then once you get the core/shader where you want it with the lowest amount of voltage bump, you can now bring the memory up. Like most people mentioned, 5% is about the standard for memory.

Thanks for the advice, I will try this. I should be running OC scanner for about an hour for each test correct? I'm just thinking because depending on how much I increment, this could take quite a bit of time to test. Also, am I restricted to the voltage increments that EVGA precision allows. Can I adjust voltage by a different amount than what it allows?
Edited by zackj3 - 1/7/12 at 12:37pm
post #306 of 2759
I haven't used EVGA Precision in awhile so I am not sure how much the increments are. Just take it up one notch at a time. Since we know a ball park for these cards you can probably jump to 800mhz on stock voltage and test from there. Yes it does take awhile to do and the more patience you have the better OC you will have along with lower temps. Some people do an hour, some do more or even less. I usually do about 45 minutes and some gaming. You may be stable on the OC test but fail in a game or even days down the road. I use Heaven for testing and just loop it for awhile. How far are you wanting to go and will this be a 24/7 OC? If temps aren't an issue then you could always max the voltage out and just adjust the core/shader to save time.
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post #307 of 2759
Quote:
Originally Posted by zackj3 View Post

Thanks for the advice, I will try this. I should be running OC scanner for about an hour for each test correct? I'm just thinking because depending on how much I increment, this could take quite a bit of time to test. Also, am I restricted to the voltage increments that EVGA precision allows. Can I adjust voltage by a different amount than what it allows?

No, not necessarily. 10 or 15 minutes should be fairly adequate. You can try running OCCT (gpu test) for 10 minutes on your screen's resolution + shader selection "3".

You should be able to adjust voltage increments by "1" for example 1015, 1016, 1017, etc.



Hope this helps..
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post #308 of 2759
Quote:
Originally Posted by Divey View Post

I haven't used EVGA Precision in awhile so I am not sure how much the increments are. Just take it up one notch at a time. Since we know a ball park for these cards you can probably jump to 800mhz on stock voltage and test from there. Yes it does take awhile to do and the more patience you have the better OC you will have along with lower temps. Some people do an hour, some do more or even less. I usually do about 45 minutes and some gaming. You may be stable on the OC test but fail in a game or even days down the road. I use Heaven for testing and just loop it for awhile. How far are you wanting to go and will this be a 24/7 OC? If temps aren't an issue then you could always max the voltage out and just adjust the core/shader to save time.

Actually my only reason for overclocking is to get better BF3 performance. I see a lot of people with this card that comment that they can run Ultra with no problems at 60fps. For whatever reason, I can't get that unless I turn MSAA off. I'm usually around the 30-40 range with MSAA on.

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To be honest with you, I thought my set up would be able to handle BF3 on ultra with no problems with my processor at 4.5ghz and this card without overclocking the card.

Anyways, I thought about just finding a stable overclock that gives me good performance on Ultra in BF3 and saving it as a profile to only use when playing BF3. I have no need to keep it overclocked while playing other games like L4D2 or WoW. I don't see any other benefit of having it overclocked for basic Windows tasks or games like WoW / L4D2 that run fine at max settings already.
post #309 of 2759
I have the same setup as you even with the same OC and depending on what multi player mode you play, 60 FPS should be doable. I do have the msaa at 2x and avg 50-60 FPS. But in 64 player and when there's a lot of action my frames do drop into the mid 40's. If I turn msaa off then 60 FPS with my OC is no problem. I only play 64 player mode and switch between 2x-off depending on the map. While doing some tests I noticed with 2x msaa the frames drop anywhere from 15-20 FPS. With 4x then it drops almost double of 2x. I have really been trying to see if I can see a difference between them and to be honest I can't. Maybe because my monitor is at 60mhz I really don't know. I do think with a 900mhz OC, you should be fine playing BF3 while maintaining your FPS. As for msaa, test it and see how you like it.
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post #310 of 2759
I came across this awesome article explaining the different settings for BF3, and I found it to be of great use. http://www.evga.com/forums/tm.aspx?&m=1323124&print=true&mpage=1.
Quote:
Luckly the differences between the Texture Quality presets is negligible at the High and Ultra settings..
While it is possible to use the Ultra Texture preset on videocards using less than 1.5gigs of VRAM it is NOT recommended as doing so places a much greater texture streaming load onto your overall system overhead.
I've switched my settings around to mostly high with a few (terrain decoration and something else) set to ultra, and I sustain a min of 60 FPS with an average around 70-80 depending on the map. It's really added to the playability and smoothness of the game. Happy tweaking!
Edited by NRD - 1/8/12 at 12:00am
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