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Sapphire 7970 Dual-X vs Sapphire 7970 Ghz Ed. Vapor-X - Page 2

post #11 of 22
I own the Duel X version it is very quite and overclocks well if you get a good card from the lottery, The cooler with the fans seem the only difference and bios on them my vote goes to saving 60 bucks and getting the Duel X. thumb.gif
Fall of a Jedi
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Fall of a Jedi
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post #12 of 22
Both should be pretty similar.

Vapor-X will be slightly cooler from the improved cooler, maybe a small amount quiter.

Also the Vapor-X uses different chokes which are less likely to exhibit coil whine.

And it has a slightly improved PCB...

Is that worth $50? Up to you smile.gif
post #13 of 22
If you want silence on an air cooled GPU then you'd need a 3 fan solution like the gigabyte windforce or aftermarket Accelero Xtreme cooler. Case fans end up being louder than the GPU thumb.gif.

I went with the Vapor-X instead of the Dual-X because it seemed to be higher quality. As the poster above said, if that's worth $50 more then go for it.
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post #14 of 22
Thread Starter 
Thank you guys!
I bought the first one and I'm really pleased. I'm running stress test/benchmarks at 1100/1500 and I find it pretty quiet.
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post #15 of 22
Quote:
Originally Posted by KalashNK View Post

Thank you guys!
I bought the first one and I'm really pleased. I'm running stress test/benchmarks at 1100/1500 and I find it pretty quiet.

You should be able to push that memory to 1600 at stock volts (1.600mV) or a notch or two higher (1.606~1.612mV) pretty easily. You should also try to push that card to 1150, it should be doable as well.

Good luck and sweet purchase!
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post #16 of 22
Thread Starter 
Quote:
Originally Posted by mark_thaddeus View Post

You should be able to push that memory to 1600 at stock volts (1.600mV) or a notch or two higher (1.606~1.612mV) pretty easily. You should also try to push that card to 1150, it should be doable as well.

Good luck and sweet purchase!

Until now it seems to be really stable at stock volts (1.112mV) @ 1075/1500 (but I haven't tried to push the memory further yet). At the moment I'm trying better OCs with voltage tweaking.
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post #17 of 22
your stock volts should be way higher than that...my vapor-x stock voltage is 1.256v (not talking about any sort of vdroop)
post #18 of 22
Thread Starter 
Quote:
Originally Posted by flash2021 View Post

your stock volts should be way higher than that...my vapor-x stock voltage is 1.256v (not talking about any sort of vdroop)

Yes I know, I thought that cards not oc/vapor-x/et cetera could have low stock volts like mine. Anyway what OC can you reach at your stock voltage? And what VRM temp? Because at 1.244mV 1175/1500 I can stay under 70c on GPU but last time VRM 1 reached 84c.
Edited by KalashNK - 3/23/13 at 12:52pm
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post #19 of 22
i can stay under 70 deg with the fans at 100%...but my VRMs do get quite toasty if i go much higher than 1500, i was running one at 1650mem for a while and my VRM temps were low 80s i think...been a little while since i watched the vrm temps, i could play crysis3 for a bit and see
post #20 of 22
Thread Starter 
Quote:
Originally Posted by mark_thaddeus View Post

It really is a silicon lottery when it comes to the Sapphire Vapor-X and Dual-X IMHO, I have a Sapphire 7950 OC edition with the dual-X fans and I'm able to OC it to 1200/1600 (stable benching and gaming for hours and hours) without unlocking anything (though I did use the 2nd BIOS) and I'm lucky that mine doesn't have any coil whining at all.

What's the stock voltage of that bios? Because I'm experiencing some problem to find a stable OC. Last I tried were 1075/1500 at stock volt (mine is 1,112) but it crashed when I played crysis, and I had problems also with other voltages and OC, for example 1150/1500 at 1,2mV worked well with BF3 but crashed with Sleeping Dogs.
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