OverKILL3D ASUS Matrix Platinum GTX980 4 Way SLI Review
3D Mark 11
Similarly to Vantage the P score in 3D Mark 11 is definitely CPU limited. However the Extreme preset begins to show the benefits of the extra card, giving around an 80% improvement. Or, if you're interested in how far GPU technology has gone, almost double the X score as the four GPUs of a GTX690 SLI arrangement managed.