Ati 6570 Equivalent on nvidia?

[glenn585]

Hi guys i have this simple question.. ill buy a computer that has an ati Ati Radeon HD 6570.. but that ati card its equivalent to which nvidia card? in performance i mean.. its like a geforce 9800? or which one

 

[Spartacus394]

I'd say the GT 530 or GTX 640 is the Nvidia Counterpart.