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HD 6970 Quad-Crossfire vs GTX 570/480 Triple-SLi

post #1 of 8
Thread Starter 
Four HD 6950s:

900-1200$
2GB of vRAM
No folding, no PhysX

Three GTX 570s/480s:

900-1100$
1.28GB/1.5GB of vRAM
Folding, PhysX, familiarity

I'll likely be keeping my 2007/3007/2007 monitor setup, so we're talking just ordinary 2560x1600 resolution. I think by the time I get two more 3007s, I will have new graphics cards.

I've never had a high-end ATi graphics card.
I used to fold; maybe I will again with the right cards.
I have a GTX 280. I don't know if it can be used for PhysX with the HD 6000-series.

So, what I want to know is this:
1. Performance-wise.. which is better? (some Quad-6950 benchies would be lovely)
2. Is there anything I should know before going ATi?
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post #2 of 8
the good, you can run PLP w/ a single 6970, tri-fire has been hit or miss...I've used it w/ 4890 Toxic's and 5970+5870...wasn't all that impressed.

It seems CF has in improved in the 6xxx series, I would use a single 6xxx w/ your current PLP, and add more GPU's once you got 2 more additional 30 inch monitors...@ least that's the same upgrade path that I went
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post #3 of 8
Thread Starter 
What are you talking about? How the heck is a single 6970 going to give me 30 frames minimum in Crysis @ 2560x1600 Enthusiast w/4xAA?
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post #4 of 8
Quote:
Originally Posted by Track View Post
What are you talking about? How the heck is a single 6970 going to give me 30 frames minimum in Crysis @ 2560x1600 Enthusiast w/4xAA?
if Crysis is the game you want to max out @ 2560x1600, then go w/ the 580...good grief

I'll stay out of your unappreciative threads
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by yang88she View Post
if Crysis is the game you want to max out @ 2560x1600, then go w/ the 580...good grief

I'll stay out of your unappreciative threads
Hey, I didn't mean it that way..

It's just that I hate people saying "One HD 6950 will play any game forever."

Clearly not.

And you missed the point. Why would I get three GTX 580 when I can get FOUR HD 6950s?

I am asking which is better.
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White Phoenix
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post #6 of 8
Quote:
Originally Posted by Track View Post
Hey, I didn't mean it that way..

It's just that I hate people saying "One HD 6950 will play any game forever."

Clearly not.

And you missed the point. Why would I get three GTX 580 when I can get FOUR HD 6950s?

I am asking which is better.
Why??

How about because Quad Fire 69xx is HORRIFIC. TriFire on the other hand maintains the 95% scaling.

Check the hardocp CFX/SLI review of the 69xx and 570/580. It'll surprise you. The cards they found to be able to handle triple monitor on average are the 580/6970/6950. The 570s choke hard in some instances, lack of frame buffer.
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post #7 of 8
Only three cards for crossfire scale well not 4
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post #8 of 8
^

if you get 4 cards you'll barely notice any difference from 3.
I'd still go with 3x 6950's and unlock them to 6970's though.
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