Upgrading from GTX 550ti SC, GTX 660ti or GTX 670?

[toxicvenom]

Hello, is the GTX 670 worth $80 more than the GTX 660ti?

http://www.newegg.com/Product/Product.aspx?Item=N82E16814130809
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130782

 

[swifty_morgan]

depends on the rest of your system, monitor/resolution included, and what you use the machine for.