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[Vortez] GTX680 Quad SLI vs HD7970 Quad CrossfireX Review - Page 5

post #41 of 65
Well if drivers are working 3DMark 11 Extreme is actual relative performance. I think AMD needs more CPU power to score better then AMD with 3 cards +
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post #42 of 65
cpu bottlenecking on two threaded benchmarks frown.gif
post #43 of 65
XkhBk.jpg

My Quad 680 3dmark11 Extreme score.

At stock clocks I scored around 11.3k
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post #44 of 65
Quote:
Originally Posted by m3t4lh34d View Post

XkhBk.jpg
My Quad 680 3dmark11 Extreme score.
At stock clocks I scored around 11.3k

Your desktop is so ugly and unorganized. redface.gif
post #45 of 65
Quote:
Originally Posted by CallsignVega View Post

This is a classic:
http://www.vortez.net/articles_pages/gtx680_quad_sli_vs_hd7970_quad_crossfirex,15.html
So 4x 7970's in every chart is at the mid to bottom in performance yet in the "overall" performance it is the highest. lol these guys don't have a clue what they are doing.

Something fishy with these tests... something we don't know about.... like maybe PCIe channels setup weird or wrong or something... I sure don't trust that review... Something really fishy...

biggrin.gif
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post #46 of 65
Quote:
Originally Posted by m3t4lh34d View Post

XkhBk.jpg
My Quad 680 3dmark11 Extreme score.
At stock clocks I scored around 11.3k

Thats a huge difference. It could be the drivers. They could also be down-clocking from heat?
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post #47 of 65
Quote:
Originally Posted by m3t4lh34d View Post

I will say this. I currently own 3 7970s, and 4 GTX 680s. The 3 680s played a little 'smoother' in BF3 than the 3 7970s, but honestly up to the most recent drivers from Nvidia, the 680s have been pretty damn unstable compared to my 7970s. I almost always keep them at stock since it doesn't matter at this point until Nvidia fixes their scaling. I'm seriously contemplating selling all 4 of my 680s and buying a 4th 7970 at this point, due to the price discrepancy and the TINY difference in performance.
When I compared my 3dmark11 scores with my 3930k @ 4.6ghz for 3 680s vs 3 7970s, the scores were less than 400 points apart. Now that the prices have dropped as far as they have with the 7970s, I don't view the extra money for the 680s to be worth it. Less VRAM, less compute power, and similar performance to the 680s.

What about micro-stutter though? Due to the CF serial bridge, I wouldn't recommend more than 2-way. Especially being able to hook a monitor up to its own RAMDAC for a triple monitor setup with SLI.
Edited by PoopaScoopa - 4/24/12 at 6:27pm
post #48 of 65
Hmmmm...got my three 7970s arriving soon (held in customs) and I am a little worried now. Think I might sell one because those results are whack. Worse performance than a single card in quite a few games ... worriedsmiley.gif
post #49 of 65
Quote:
Originally Posted by amvnz View Post

Hmmmm...got my three 7970s arriving soon (held in customs) and I am a little worried now. Think I might sell one because those results are whack. Worse performance than a single card in quite a few games ... worriedsmiley.gif

Do your own Benchmarks. What games do you play? Most games dont need even 2. The problem with 3 cards is that CPU will hold them back in most games if you play @ 1080p and even 1440p sometimes.
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post #50 of 65
I don't get this on 1080p no msaa 2x680 get 128 and 2x7970 get 161 on 4xmsaa 2x680 get 136 and 2x7970 get 120 why 2x680 on 4msaa have more fps then without it it should be otherwise 136 without it and 128 with 4xmsaa
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