Is a GTX 660 2GB better than a GTX 750 Ti 2GB?

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Guest

Guest
Which one is better or preferable?

EVGA - GeForce GTX 750 Ti 2GB GDDR5 PCI Express 3.0 Graphics Card
or
EVGA - GeForce GTX 660 2GB GDDR5 PCI Express 3.0 Graphics Card
 
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Guest


What if I got a 600W :3