Left 4 Dead (DirectX 9)

We used the same settings of 1680x1050, 4xMSAA, 8xAF for all cards which allows us to see clearly the difference in frame rates. The 4870 and the 5770 give very similar numbers but as expected, the 4890 stretches it's head a little further and provides a very smooth experience. With the preponderance of new maps for Left 4 Dead of late, and some of them being under optimized/a little heavy duty, it's nice to have that little extra from the 4890 during play.

Enemy Territory Quake Wars (OpenGL)

All three cards were set to maximum settings via the menus in game (but no soft particles), with a resolution of 1680x1050. Once again, 4xMSAA and 8xAF was used. To be honest, this test is getting a little redundant, but you can clearly see that the 4890 has much higher average and minimum frame rates.