Thank you guys for replays.
Yes, there is a "G" version but I solved my problem.
The "G" version has a game and the standard one has not.
Thats the only difference.
Reffering to It_dan_zsu's answer, I'm not a big fan of AMD, but can you show me some good arguments of getting Radeon 7970 instead of GTX 670 for my build:
16GB Corsair Vengeance LP
Corsair TX650 V2
I will be using my PC mostly for gaming on resolution not greater than 1920 x 1200.