Nvidia driver update

[-Blood-]

So I decided to update my drivers and when I tried to scan for updates I got this:

"My graphic card"
Has been detected in your system.
Latest Driver Version 285.62

nForce 720i(some kind fo number)
Has been detected in your system.
Latest Driver Version 15.56

What is the second one nforce 720i?
First time I see it

[KABLE]

Start > Run > DXDIAG

Go to Graphics and it'll tell you your GPU.

[Stevenom]

Start > Run > DXDIAG

Go to Graphics and it'll tell you your GPU.

Display*

And @-Blood-, if that doesn't work, go on Can You RUN It | Can I run that game | Game system requirements test any game.
And it will tell you your graphics card at the results page.