Just run a benchmark! I mean, you did remember to benchmark before installing the second card, right? Just download and run 3Dmark05, then install the second card, and run the benchmark again. You should see a 60% - 80% increase in your score.
__________________ SuperPi 1M: 29.6s - 3DMark06: 8616 The Geek Test v3.1 Score: 36.3% - Major Geek |