Sapphire HD 7950 Vapor-X or Asus GTX 660 Ti

[SamGriffiths]

I'm not trying to start a war here, I would just like some opinions on which is faster, the Sapphire HD 7950 Vapor-X (11196-09-40G) or the Asus GTX 660 Ti (TI-DC2T-2GD5), I'm playing games like Battlefield3/4, DayZ/Arma 2, Minecraft and a few other random games, my screen resolution is 1600x900 thanks for any input.

 

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http://www.techpowerup.com/reviews/Gigabyte/GeForce_GTX_780_OC/26.html