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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1003

post #10021 of 38701
Quote:
Originally Posted by tsm106 View Post

What's your cpu overclocked to? The scores are pretty good but you're heaven score better and your cpu score in 3dmark is on the low side for a 2600k. wink.gif
4.3 GHz
I just used ASUS's "quick overclock" or whatever in the BIOS and that's what it set it at. I haven't tried to manually overclock and see how high it could go. I'm only playing games right now and if I'm not mistaken it's not as if an i7 2600k even at stock is going to bottleneck my 7970, right?
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post #10022 of 38701
tsm106
Thx very much.
I had sam strange crashes, exm. when laoding heaven 2.0, so i am thinkigg, could be memory, because that is time when Vram is filling. At least i think so.
LAF
You will be on limit, but i think you will be ok.
But if you decide to overvolt cards, 750W is not enough.
Edited by sena - 4/29/12 at 1:27am
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post #10023 of 38701
Quote:
Originally Posted by azdre View Post

4.3 GHz
I just used ASUS's "quick overclock" or whatever in the BIOS and that's what it set it at. I haven't tried to manually overclock and see how high it could go. I'm only playing games right now and if I'm not mistaken it's not as if an i7 2600k even at stock is going to bottleneck my 7970, right?

well for one card it wouldn't, but seeing that you have it @ 4.3 your in good hands....but if you decide to push it a litttle further like say 4.6ghz you will be in great hands thumb.gif...you get much more usage out of your cards /card with higher cpu clock speeds wink.gif
Edited by jamaican voodoo - 4/29/12 at 1:30am
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post #10024 of 38701
Guys is it safe to increase mem. voltage for 24/7 on air?
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post #10025 of 38701
Quote:
Originally Posted by azdre View Post

Quote:
Originally Posted by tsm106 View Post

What's your cpu overclocked to? The scores are pretty good but you're heaven score better and your cpu score in 3dmark is on the low side for a 2600k. wink.gif
4.3 GHz
I just used ASUS's "quick overclock" or whatever in the BIOS and that's what it set it at. I haven't tried to manually overclock and see how high it could go. I'm only playing games right now and if I'm not mistaken it's not as if an i7 2600k even at stock is going to bottleneck my 7970, right?

The more cpu the better, most times sheer clock alone gives more gains. For ex.

2600K@4.8 no HT 1200/1750

375

http://www.overclock.net/t/1235557/official-top-30-heaven-benchmark-3-0-scores/160_40#post_17026230

Here's a 5.2ghz cpu run 1300/1750

375
Quote:
Originally Posted by sena View Post

Guys is it safe to increase mem. voltage for 24/7 on air?

It depends on how much you're talking about, but we really don't know long term. There's no data to prove one way or the other, but imo a 50mv is safe, its what I use 24/7 on water though.
Edited by tsm106 - 4/29/12 at 1:44am
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post #10026 of 38701
I increased 0.25mV. I hope i wont damage something.
Btw thx for help.
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post #10027 of 38701
Quote:
Originally Posted by tsm106 View Post

The more cpu the better, most times sheer clock alone gives more gains. For ex.
Damn! Time to overclock me some CPU! typer.gif

Edit: Just upped my CPU from 4.3Ghz to 4.7Ghz (@1.35 Volts - didn't want to go any higher) and I saw just over a 2 frame increase in the Heaven Benchmark...so there was an improvement...but meh
Edited by azdre - 4/29/12 at 3:07am
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post #10028 of 38701
Quote:
Originally Posted by Exostenza View Post

Well I read a hell of a lot of articles before buying my card and every single review showed that the gigabyte card cooled a bit better than the Sapphire which was a close second and then the Asus DCUII. I did the research and the Gigabyte came out the winner from what I read. Just passing on my findings. Also yes the cooler looks cheaper, but it performs so darn good!

But hows the VRMs? Are they cooled with heatsink or not? thinking.gif
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post #10029 of 38701
Anyone figured out how to prevent the card to be stuck at 2d clocks if u have open broadcast video(youtube)?
post #10030 of 38701
Quote:
Originally Posted by MooMoo View Post

But hows the VRMs? Are they cooled with heatsink or not? thinking.gif

I'm sure they'll be right, I've only seen issues with the DCUII. Personally, with the Lightning, I run 100% fan with 1.2v/1.7v - the chip itself hits 85C but the Memory and VRMs hardly touch 60C, so they're very safe.
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