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Keep 7950 CF or go 680 SLI - Page 2

Poll Results: Keep Or Go

 
  • 76% (30)
    Keep 7950 CF
  • 23% (9)
    Go 680 SLI
39 Total Votes  
post #11 of 41
Given the option for the 2 I would move to SLI. I'm an ATi guy through and through, but this problem with crossfire sin't exclusive to the new cards. I felt as though I was having the same issues with my 6850s, and I moved them on for a single 6950 and never looked back. The framerate looks higher, but it's nowhere near the smoothness it should be, and in blind testing I would be guessing around 2/3rds to half of the framerate.

This is tantamount to them being good at benchies artificially, and bad for games. It's all pointless in my opinion, crossfire has never scaled well in the times that I've tried it.

If I was in your shows I would probably just get a single 7970, overclock it on water and deal with it. It would represent much better value for money, less to cool, and you don't have to drop heinous dollah on new Nvidia cards.
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post #12 of 41
Quote:
Originally Posted by Double Helix View Post

Given the option for the 2 I would move to SLI. I'm an ATi guy through and through, but this problem with crossfire sin't exclusive to the new cards. I felt as though I was having the same issues with my 6850s, and I moved them on for a single 6950 and never looked back. The framerate looks higher, but it's nowhere near the smoothness it should be, and in blind testing I would be guessing around 2/3rds to half of the framerate.

This is tantamount to them being good at benchies artificially, and bad for games. It's all pointless in my opinion, crossfire has never scaled well in the times that I've tried it.

If I was in your shows I would probably just get a single 7970, overclock it on water and deal with it. It would represent much better value for money, less to cool, and you don't have to drop heinous dollah on new Nvidia cards.

i have a 7970 and can't keep up with my 7950. the latter is on water, though. 1 7950 is equal to 2 6950s and i've tried crossfire (7950/7970) played c3 at VERY HIGH settings and 4MSAA smoothly. BF3 and C2 are just as smooth but those two just need one 7950 to max them using 1080/60Hz.

@OP, 1100/1500 is a sweet spot for my 7950 when i play metro and this is without touching the voltage. make sure your temps (core and vrms) stay below 80C.
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post #13 of 41
Thread Starter 
On Bf3 the cores are hover around 61-66, GPU 1 being the hottest. For some reason Bioshock really bakes my cards though up to 81° but not above rolleyes.gif hence the need for water biggrin.gif Im hoping when under water i can push the clock a bit higher?

so far looking at the poll It seems like the 7950s are the way to go... plus its lighter on the wallet wink.gif
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post #14 of 41
Quote:
Originally Posted by flv1333 View Post

On Bf3 the cores are hover around 61-66, GPU 1 being the hottest. For some reason Bioshock really bakes my cards though up to 81° but not above rolleyes.gif hence the need for water biggrin.gif Im hoping when under water i can push the clock a bit higher?

so far looking at the poll It seems like the 7950s are the way to go... plus its lighter on the wallet wink.gif

that's just the core? how about the vrms? i use hwinfo64 to monitor both. you might need to tweak your fan mode either raise it to 50% (if bearable) or make a custom fan mode using AB or Trixx.
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post #15 of 41
Quote:
Originally Posted by flv1333 View Post

On Bf3 the cores are hover around 61-66, GPU 1 being the hottest. For some reason Bioshock really bakes my cards though up to 81° but not above rolleyes.gif hence the need for water biggrin.gif Im hoping when under water i can push the clock a bit higher?

so far looking at the poll It seems like the 7950s are the way to go... plus its lighter on the wallet wink.gif

that's just the core? how about the vrms? i use hwinfo64 to monitor both. you might need to tweak your fan mode either raise it to 50% (if bearable) or make a custom fan mode using AB or Trixx.
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post #16 of 41
third dp today . . . sigh.
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post #17 of 41
Thread Starter 
Quote:
Originally Posted by rdr09 View Post

that's just the core? how about the vrms? i use hwinfo64 to monitor both. you might need to tweak your fan mode either raise it to 50% (if bearable) or make a custom fan mode using AB or Trixx.

Thats just the Core. VRMs stay at the 80 and below mark. Ohh and I am already running an aggressive fan profile with afterburner. Profile can be seen HERE, I'm using the last one.

Quote:
Originally Posted by rdr09 View Post

third dp today . . . sigh.

LOL wink.gif hate when that happens.
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post #18 of 41
if the vrms are hitting 80, then it might be cutting it close. those apps may not be as accurate in reading the temps. my last suggestion is to add a fan on the side panel point towards the gpus if you don't have one yet. last resort, like you said, is watercool. gl!
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post #19 of 41
Thread Starter 
I'll need to double check tonight when I get home as I'm not able to remember at this moment. Sadly I cant add a fan as I have a HAF-XB Case and am betting floor heating does not help doh.gif
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post #20 of 41
What program are you using to find out VRM temp? I'd love to know on my card.
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