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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 721

post #7201 of 38704
Ok, so I finally setup my 7970 and it's working like a charm. I'm ready to begin overclocking it but I have a few questions. First, I'm using Heaven to test stability and increasing the clock by steps of 25MHz. Should I set the settings in Heaven as high as possible (Extreme tessellation, High Shaders, 16x Antisotropic, x8 AA) when I test for artifacts or just what I would normally select for games (Normal, High, x8 Anti, x4 AA)?

Also, what temps do I want to be under during load and is running Heaven once good enough to consider the card to be under load?

Lastly, I slid the power slider all the way to the right (20). Will that bring any negative consequences?

Thanks everyone!
    
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post #7202 of 38704
I run heaven all max with "Normal" Tessellation, since that is what I usually have in games.

As I discovered myself, a single run of Heaven is not enough to prove a stable overclock - after a few hours of BF3 I was artifacting. Temps under load are tricky, personally my card maxes at about 65C, and it seems fine with that, at 45% fan. I have a non reference card though so my findings are likely to be different to yours.

I had it running at 1150/1600 yesterday, and ran Heaven and 3DMark without issues. Got into BF3, played a few rounds, started artifacting. I've dropped it back to 1100/1500 for the time being and I've played a fair bit of BF3 on that without problems. I might check my ASIC quality soon. Still not at all keen on overvolting this thing though.

I'm a bit stuck tbh. What is the likelihood of waterblocks being released for the 7970 Lightning? I'm considering WCing my whole build because it'd prevent me upgrading my GPU for a while (the most expensive part), but I'm pretty keen on getting a Lightning over a ref design, partly because they're binned chips, but also because if I end up keeping it on air I'd much rather have that than a ref design.
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post #7203 of 38704
Just some preliminary benches using CCC for overclocking @ 1125/1575 +20% xfire 7970s. Will collect some more once I start doing some real overclocking.

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post #7204 of 38704
Quote:
Originally Posted by ProgenitorX View Post

Ok, so I finally setup my 7970 and it's working like a charm. I'm ready to begin overclocking it but I have a few questions. First, I'm using Heaven to test stability and increasing the clock by steps of 25MHz. Should I set the settings in Heaven as high as possible (Extreme tessellation, High Shaders, 16x Antisotropic, x8 AA) when I test for artifacts or just what I would normally select for games (Normal, High, x8 Anti, x4 AA)?
Also, what temps do I want to be under during load and is running Heaven once good enough to consider the card to be under load?
Lastly, I slid the power slider all the way to the right (20). Will that bring any negative consequences?
Thanks everyone!

First question i will say yes, heaven and 3dmark11 is a good bench, and so is bf3. The ultimate test i do is heaven/3dmark11 AND prime95 smile.gif

Temps, i would say stay below 85-ish... i like to be under 80 but it all depends a bit. For instance i guess having like 85 for one hour is less stress on the card then 80 in many many hours..if you get my point.

Slider to 20+ don't have any negative consequences from what i've leaned. (well, high power bill smile.gif)
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post #7205 of 38704
Indeed I am overriding AA in CCC, seems to work nicely smile.gif

Aha, I haven't touched the voltages, and have it mildly OC'ed ( > 1Ghz kookoo.gif) in CCC to 1075/1525, so maybe that's why it was ok.

Still not too pleased about them > 92C eek.gif
post #7206 of 38704
just got finished building, loading, updating, overclocking and testing of that 2500k 4.5ghz and Gtx 680 system I refreshed for a old customer. Just had it picked up. After running some benches on the new 680, don't be mad at all that you have the AMD's. Not even close to the performance of the 7970 at 1200/1500 in games. I didn't overclock it tho. Just ran at stock and with the boost. Was fun to play with for a while and see the difference, but rather have the AMD's. Just wish amd's driver installed as easy.

Note: 680 was silent the whole time tho wth.gif
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post #7207 of 38704
I keep getting bad scores at certain clocks, whether it be a CPU clock that is different or GPU clock.....anyone know whats going on here?!

http://3dmark.com/3dm11/3034462;jsessionid=g0mcs8lxaye0a0u7y5dgb8lj

super annoying! Or should i even bother to care about the "STOP" thing ?

is a P13586 @ 4.5ghz a normal score? For stock clocks of 925 in Xfire?
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post #7208 of 38704
are you not using +20% power? you may be getting throttled thinking.gif

Here's what 1200/1600 should do but my 2500k is at 5ghz
323
Edited by Hambone07si - 3/24/12 at 8:50pm
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post #7209 of 38704
Quote:
Originally Posted by Hambone07si View Post

are you not using +20% power? you may be getting throttled thinking.gif
Here's what 1200/1600 should do but my 2500k is at 5ghz
323

I made sure to try with the +20% in AB this time, i closed CCC to make sure no conflicts were happening, switched to only single monitor, closing all unnecessary programs etc. Hmmm I dunno....

Why does it still give you the "STOP" message even with your score? I can test at different CPU clocks , i have 4.8 and 5.0 stable, but im just wondering why i keep getting that "STOP" message, is it because there are people with my same chip and cards that are testing with Higher CPU and GPU overclocks and that is taken into consideration for the score? I thought scores were based on the current clock on CPU and GPU and pitted against others with that same clock configuration.

Like of course someone will get a higher score with a cpu of 5.0 as apposed to someon with 4.5 but are they being compared in the final score, and you receive that "STOP" message?


How can i make sure i am not being throttled? Is there a setting i need to mess with ? Temps are more than fine, i never break 45c, both cards and CPU under water.
Edited by sockpirate - 3/24/12 at 8:59pm
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post #7210 of 38704
Quote:
Originally Posted by Ballatician View Post

Is this normal Heavan scores for 7970 reference @ stock?
700

575585


this seems terrible to me, please let me know if it is, everyone skipped over me frown.gif
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