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GTX 560 SLI VS. HD 6950 Crossfire X

post #1 of 27
Thread Starter 
Hey guys, I'm trying to figure out which would be the best route to go for future compatibility. I already have a gtx 560, but I was honestly thinking about returning it anyways.

So here is my question to you guys, which card would be better for future dual gpu setups in terms of driver support, compatibility, and performance? I have 650w of power to hand out, so I can't go with anything higher in power consumption than these two cards. I will be running them on my 1920x1080 screen and I'm looking to have these cards last as long as they possibly can, like 3-5 years.

Thanks guys!
     
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post #2 of 27
Out of curiosity, what was wrong with the 560?

Anyway, according to Anandtech the 560 and 6950 trade blows depending on the game (they don't have 560 sli to compare with 6950 CF yet).

That said, afaik SLI scales better than CF atm, so I would expect 560 SLI to edge the 6950s. If you get 6950s that unlock to 70s though... that should obliterate the 560s.

If you can find brand with a high unlock rate, go 6950 imo.
post #3 of 27
Charts courtesy of techpowerup
perfrel_1920.gif
perfrel_1920.gif

I believe these two charts say all there is to say. For the resolution you're playing at, the two 6950s will definitely be superior performers, but at the same time, you are going to be paying a slight premium, so your choice really.
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post #4 of 27
2 6950s would be faster over 2 560s, but since you already have one why go through the trouble of selling it to get a 6950? Unless you wanna try and unlock the one(s) you get.. or unless you can return the 560 for a refund tongue.gif
    
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post #5 of 27
Personally in my opinion you should stick to a single card. If your not happy with your GTX 560 sell it and jump to something stronger like a 6970 - GTX 570 etc...

SLI/CF not all games support it which kinda sucks.

I've had issues with SLI in the past and never again ill go back ill just stick to a good single card. But that was back then I'm not sure how well SLI or Crossfire scales these days but I like better single cards. They seem more stable.
 
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post #6 of 27
Thread Starter 
Quote:
Originally Posted by Razi3l;12450595 
2 6950s would be faster over 2 560s, but since you already have one why go through the trouble of selling it to get a 6950? Unless you wanna try and unlock the one(s) you get.. or unless you can return the 560 for a refund tongue.gif

Yeah, i'm likely going to return this one, I just bought it from the egg. And the reason i'm looking at returning it is because with the default fan profile, this thing is louder than my old gtx 580 and my old 6870. I have to use a custom fan profile for the noise to be acceptable, and then the temps aren't really that impressive, like 70-75c load for a custom cooler.
     
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post #7 of 27
GTX 560 scales pretty bad. even a HD6870CF beats it even though at single card a gtx 560 demolishes a single 6870 (I know coz I have them both) deginitely the 6950CF is better. and what's even better is you can unlock it to FULL HD6970. that's what I call bang for buck biggrin.gif
post #8 of 27
Quote:
Originally Posted by Anth0789;12450619 
Personally in my opinion you should stick to a single card. If your not happy with your GTX 560 sell it and jump to something stronger like a 6970 - GTX 570 etc...

SLI/CF not all games support it which kinda sucks.

I've had issues with SLI in the past and never again ill go back ill just stick to a good single card. But that was back then I'm not sure how well SLI or Crossfire scales these days but I like better single cards. They seem more stable.
You'd be surprised. Especially with Fermi cards. They can get up to a 90% increase in performance in SLI. Adding my 2nd 460 nearly doubled my gpu benches biggrin.gif
Quote:
Originally Posted by Behemoth777;12450629 
Yeah, i'm likely going to return this one, I just bought it from the egg. And the reason i'm looking at returning it is because with the default fan profile, this thing is louder than my old gtx 580 and my old 6870. I have to use a custom fan profile for the noise to be acceptable, and then the temps aren't really that impressive, like 70-75c load for a custom cooler.
Wow, you change cards pretty often eh?
post #9 of 27
Quote:
That said, afaik SLI scales better than CF atm, so I would expect 560 SLI to edge the 6950s. If you get 6950s that unlock to 70s though... that should obliterate the 560s.

no. SLI scales pretty bad with the gtx 560
post #10 of 27
Thread Starter 
Quote:
Originally Posted by Booty Warrior;12450652 
You'd be surprised. Especially with Fermi cards. They can get up to a 90% increase in performance in SLI. Adding my 2nd 460 nearly doubled my gpu benches biggrin.gif

Wow, you change cards pretty often eh?

6xxx series cards scale in the 90%+, sometimes reaching almost perfect 100% scaling. From what i've read of course.
Quote:
Originally Posted by Booty Warrior;12450652 
Wow, you change cards pretty often eh?

lol yeah, i'm trying to find the perfect gpu for me, and I have yet to find it. Once I find it though, I plan on keeping it for a longer period of time.
Edited by Behemoth777 - 2/19/11 at 5:38pm
     
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