Best Graphics Card?

[friendlyzombie]

Can anyone tell me if there's a big difference and which is the best of these graphics cards?

NVIDIA GeForce GTX650 1GB

Radeon HD 7770 1GB

Radeon HD6670 1GB

Thank You!

 

[rolli59]

The HD7770! Performance comparison http://www.techpowerup.com/reviews/KFA2/GTX_650_EX_OC/27.html

 

[friendlyzombie]

Thank you, rollie59!