What has changed (other than the amount of memory supported) from the previous generation cards is the maximum power draw. GeForce GT 520 and GeForce 510 both had a maximum power draw of 29W. In contrast, GeForce GT 620 has a maximum rated power draw of 30W, and GeForce 605 has a maximum rated power draw of 25W. Other than that, the cards have every sign of being remarks of the equivalent Fermi cards.
NVIDIA introduces rebadged GeForce GT 620 and GeForce 605 for OEMs
Posted on Wednesday, April 04 2012 @ 19:00 CEST by Thomas De Maesschalck