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Why get a 7970 when I can get a 7950? - Page 2

post #11 of 15
what can i say ? I have a GTX295 , and every time i game the fan ramps up to 80%+ .
Its one of the loudest GPU's , and i listen to it in the past 3 years .
Solution 1 : Dont oc , and keep fan speed low .
2 : OC with Watercooling ,
3 : Oc on air with high fan speed .
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post #12 of 15
Quote:
Originally Posted by Darkslayer7 View Post

what can i say ? I have a GTX295 , and every time i game the fan ramps up to 80%+ .
Its one of the loudest GPU's , and i listen to it in the past 3 years .
Solution 1 : Dont oc , and keep fan speed low .
2 : OC with Watercooling ,
3 : Oc on air with high fan speed .

4 : Get an aftermarket air cooler like the Accelero XTreme, that's quiet AND gives good temperatures.
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post #13 of 15
I have a single 7970, 1180 core, 1800 memory. I'm running 1200mv. I can't even increase the coreclock by ONE at 1300mv. It's just unstable when I do so. I was planning on getting three and watercool them in good time, but I'm quite angry now since they don't OC any further...my temperatures are 62 MAX on xtreme burn in with no power limiter with 1180 core clock and 1800 memory so temperatures aren't the problem. I even tried to OC with the memory UNDER stock and undervolted memory, no affect....

I feel your pain! They're still great cards though, and be happy you have a killer setup and two of the best cards on earth.
    
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post #14 of 15
Quote:
Originally Posted by WiL11o6 View Post

I have 2x reference Sapphire 7970s on launch day for my new BF3 PC build. It was a couple weeks before any reviews of the 7950 or any news of the 7950 for that matter so I couldn't wait. The 7970s were sold out everywhere and I picked mine up for $599 each on Amazon because they were the only ones in stock. These cards are fast yes, I can OC them both to 1175mhz in CF, and single card, I can OC one of them to 1275, but at what costs? Noise! While reviews say these fans are quieter than 69xx series, they are still loud to me, coming from GTX 570s. While noise is subjective, I find anything above 35% fan speed too loud and because of that, I leave my cards either at stock 925/1375@0.975v or 1025/1475@1.05v to keep the fan at 35% fan speed to keep temps under 80c under load.
These 7950s roll out and they OC just as well as 7970s. I have been following in the 7970/50 thread and almost everyone has great success overclocking their 7950s to 1100+. Performance wise if both cards were set at 1100mhz, it would be near identical in games, and even benchmarks. Everyone has non reference 7950s like Gigabyte or TFIII for $499, so basically I could have saved $200 for CF. I would actually have better performance if I went with two 7950 non reference because the only thing keeping me back with the 7970s is the noise. I would have been able to OC the 7950s probably up to 1100mhz, even if only 1000mhz, it would still be quieter and cheaper. I almost wished the 7950 wasn't able to OC to much or be so fast so there should actually be a reason to get a 7970.
TLDR: I'm crying because I spent $200 more for less performance because I have sensitive ears and I want someone to tell me everything will be okay.

Time for water cooling my friend.
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post #15 of 15
Quote:
Originally Posted by JassimH View Post

I have a single 7970, 1180 core, 1800 memory. I'm running 1200mv. I can't even increase the coreclock by ONE at 1300mv. It's just unstable when I do so. I was planning on getting three and watercool them in good time, but I'm quite angry now since they don't OC any further...my temperatures are 62 MAX on xtreme burn in with no power limiter with 1180 core clock and 1800 memory so temperatures aren't the problem. I even tried to OC with the memory UNDER stock and undervolted memory, no affect....

I feel your pain! They're still great cards though, and be happy you have a killer setup and two of the best cards on earth.

62 max.....if you go higher, its unstable......

You're temperature limited. wink.gif These cards get unstable REAL quick when you're over 1150 core, and the temperatures get over 65-68*C or so. Once you break past 65-68*C or so, bam...artifacts all over.

Under water, these cards scream at 1300MHz and more even.
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