[Ice992]

Originally Posted by Gigachip

to answer your question, the performance is close. Really I think go with the best deal you can get.

I have the scores for SLI and Crossfire with my 3770k @4.5Ghz
but this is my score for my 2600k stock, and 670 stock and 7970 stock
Single card Fire Strike
7970+2600k
http://www.3dmark.com/fs/468208
670+2600k
http://www.3dmark.com/fs/631423

Dual Card Fire Strike (again stock speeds)
7970(2x)+3770k@ 4.5Ghz
http://www.3dmark.com/fs/332153
670(2x)+3770k@4.5Ghz
http://www.3dmark.com/fs/305777

Those are just some of the tests I have.

Interesting.

@mikey... If you go with the 670, go with the 4gb. I had the 3gb version of the 670, and the 4gb the extra 1gb made a HUGE difference in frame rates on my machine (10%). I'm running SLI'd 670 4gb cards and love it.

I've posted this before- but here's the benchmark for it: http://www.3dmark.com/3dm11/6315245
670 4gb (2x) +3770k @stock speed. I don't run any overclocking yet.