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GTX 560 Ti 448 core OC Club - Page 21

post #201 of 2759
Quote:
Originally Posted by prey1337 View Post

So I've been lurking around this thread for a while, decided I'd share my experience so far with my 448 Classy.
My second Sapphire Radeon HD6870 (first one was DOA) started to artifact bad after 2 months. So I splurged and got the EVGA 448 Classy.
Immediately OC'ed it to 850/1700/2100 @ a stock voltage of 1.025.
Ran all the related tests I've been reading about on the thread (1st time Overclocker here); stable with no artifacts.
About 61XX in 3dMark11, I'm at work and don't have the exact numbers.
I played BF3 for a couple of hours at these settings, peaks of 100 FPS and a low of 55 (No AA), averaged around 70 @ 66 °C.
Ran Crysis 2 with the DX11 Ultra package and was getting around 50-60 Avg FPS.
Side note: I don't care at all how loud the fans are, I don't mind jet engines biggrin.gif
Cooling: A cheap aftermarket fan/heatink on my CPU. 2 side panel case fans, 2 fans in the back, 1 up front, 1 on top, 1 on bottom. Only issue I see with heat is that my house is very dusty and can build up rather quickly if I don't have canned air at the time .
So my question is, from a gaming and day to day use perspective, is it safe/worth overclocking the GPU more? I'm looking for a stable OC that I can run 24/7 without problems in the future. I also do plan on OC'ing my i7 in the future.

I would say as long as temps are in control go for it. You can always back it down if needed or make profiles. I am at 925/1850/2100 at 1.024 volts and after playing BF3 for 3 hours temps maxed at 60*C. My room gets pretty hot as well and lots of dust so I keep that in mind when OC'ing. My 3D Mark 11 score last night was 6528 and I very happy with that.
http://3dmark.com/3dm11/2461704
Beats the 570 easily and maybe even close with the 580. I say go for it and see high how you can/want to go within reasonably temps.
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post #202 of 2759
With the ridiculousness that is the ghetto chiller in place, I decided to see what I could get out of this little Zotac. I soon discovered the 1.100v limit this card apparently has, as well as the horrible overclocking capabilities of the RAM. I couldn't even get a bump of 50Mhz out of it at 900Mhz core. The highest core I could get through a pass of 3dmark11 was 936Mhz but I'd hardly call that stable. I'm thinking it's somewhere in the 910-920 range. 338
post #203 of 2759
Quote:
Originally Posted by Divey View Post

I would say as long as temps are in control go for it. You can always back it down if needed or make profiles. I am at 925/1850/2100 at 1.024 volts and after playing BF3 for 3 hours temps maxed at 60*C. My room gets pretty hot as well and lots of dust so I keep that in mind when OC'ing. My 3D Mark 11 score last night was 6528 and I very happy with that.
http://3dmark.com/3dm11/2461704
Beats the 570 easily and maybe even close with the 580. I say go for it and see high how you can/want to go within reasonably temps.

I'll have to adjust the fans some more tonight to keep it more cool. When playing BF3 it was around 66°C from what I remember, I'll check again tonight.
I'd hope to get up to those sorts of numbers without changing the voltage. What would you say is the highest temperature I should see before backing off?
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post #204 of 2759
Quote:
Originally Posted by prey1337 View Post

I'll have to adjust the fans some more tonight to keep it more cool. When playing BF3 it was around 66°C from what I remember, I'll check again tonight.
I'd hope to get up to those sorts of numbers without changing the voltage. What would you say is the highest temperature I should see before backing off?

Backing off... of? Benchmarking? Gaming?


If your doing runs of various benchmarks, and/or stability tests like OCCT, Kombustor, FurMark, etc. anything under 90c is what "I" feel comfortable at. Gaming, I like to keep it at/under 65c or so. Obviously, the cooler the better... But..
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post #205 of 2759
Quote:
Originally Posted by jdmfish View Post

Backing off... of? Benchmarking? Gaming?
If your doing runs of various benchmarks, and/or stability tests like OCCT, Kombustor, FurMark, etc. anything under 90c is what "I" feel comfortable at. Gaming, I like to keep it at/under 65c or so. Obviously, the cooler the better... But..

Oh yeah I meant gaming. So I'll shoot for a max of 65°C then. Thanks for the input so far thumb.gif
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post #206 of 2759
Great thread this is! I been playing around with my card for a while now and am loving it. These are my clocks, am sure there is more room to push. I did not add any Volts to the AUX nor the Memory Voltage.. I have the triple over voltage version (MSI)

Temps reached 65c when using EVGA OC Scanner this was on a Hot night with central heating on in my house and my case fans on their minimum settings GPU fan was at 55% (i always test this way as sometime is forget to turn them up, so i test with case fans at minimum)

When gaming the temps are lower. I play BF3 for over 4 hours and Skyrim for 5-6 hours and temps never go over 60c with 40%-50% GPU fan speed. Temps are real low and i have more juice to push her, Would these settings be good for 24/7 gaming? I only overclock when when playing BF3 and Skyrim (with mods) as it kills pretty much every other game i play smile.gif

Keep the results coming smile.gif


338
post #207 of 2759
Quote:
Originally Posted by prey1337 View Post

Oh yeah I meant gaming. So I'll shoot for a max of 65°C then. Thanks for the input so far thumb.gif


Well, that would be "my" max - your tolerance and/or cooling may be better. I've got my equipment in a beautiful Lian Li mATX case and cooling might not, and is probably not as good as larger cases (total of 3x120mm fans).

If I had a more efficient way to expel even more heat, I would probably raise my temperature tolerance in gaming to 70c or 75c - but normally, when "I" or others game, it can be a few hours or more, and the lower the load temps, the better I feel. smile.gif
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post #208 of 2759
Ollie, well, what kind of benchmarks did you run? 3dMark11, Heaven (extreme everything) etc. wink.gif
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post #209 of 2759
Quote:
Originally Posted by jdmfish View Post

Well, that would be "my" max - your tolerance and/or cooling may be better. I've got my equipment in a beautiful Lian Li mATX case and cooling might not, and is probably not as good as larger cases (total of 3x120mm fans).
If I had a more efficient way to expel even more heat, I would probably raise my temperature tolerance in gaming to 70c or 75c - but normally, when "I" or others game, it can be a few hours or more, and the lower the load temps, the better I feel. smile.gif

That makes sense. With my full tower I'm sure I have plenty of room for heat to dissipate. I believe I have 150MM case fans, two on the side (one pulls air in, the other out), two of the same size in the back, another the same size in the front, and two smaller fans on the top and bottom. I don't want to assume my case is efficient in dispelling heat, but it seems like it is.
Also how do I increase my case fan speed(the side fans seem to be on the lowest setting)? Is that a BIOS adjustment or do I need a program?
I haven't taken the case temperature, but that thing gets hot. The cats use it as a space heater, always pulling at wires in the back...
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post #210 of 2759
Quote:
Originally Posted by jdmfish View Post

Ollie, well, what kind of benchmarks did you run? 3dMark11, Heaven (extreme everything) etc. wink.gif

3DMark 11 - P67xx
Heaven (Default Settings)
Furmark - 1280x1024 - MSAA 32x (stability test)

All work and not crashes/artifacts. Gaming works smooth as well. So i guess these clocks are stable smile.gif
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