Guru3D has tested the NVIDIA GeForce 9800 GTX+ in SLI.
Read the complete review HERE.
So then, for roughly 350 EUR / 400 USD you get to play around with a grand amount of performance, there’s just no denying that. In retrospective two of these cards will beat the GeForce GTX 280, pretty easily actually
When we purely focus at the 9800 GTX+ SLi scaling, we then see that after 1600×1200 SLI kicks in very well. In the situations where you get really GPU bound you’ll notice your performance nearly doubly up, and that’s just very decent performance. But that is the denominator in the back of my mind, you need to play your games above a resolution of 1600×1200 for SLi to kick in hard and to be able to witness that return of your investment. Well, that or playing Crysis actually