NVIDIA’s new GeForce 7800 GTX clearly has been received very well by the hardware sites on the Internet. It is a very fast card. In fact, in some cases, it is as fast as having two GeForce 6800 Ultras in your machine.
Considering how fast the card is alone, I was very curious how fast it would be in SLI-mode. I’ve spent one month playing games just to get a feel for what two GeForce 7800 GTX's in SLI-mode can do. For our testing, I used two Leadtek GeForce 7800 GTX cards. This article should give you an idea if it’s currently worth going with two GeForce 7800 GTX cards or not.
Full Review .