Dungeon Siege

Next up in the DX games benchmarks we'll take a look at Dungeon Siege.

Dungeon Siege (FPS) 640x480 800x600 1024x768 1280x1024 1600x1200
5800 Ultra 95.5 95.4 95.9 93.5 91.3
5900 Ultra 96.0 97.1 95.1 92.3 92.8
Diff from 5800 640x480 800x600 1024x768 1280x1024 1600x1200
FPS 0.4 1.7 -0.8 -1.2 1.5
% 0% 2% -1% -1% 2%

Both boards have a pretty consistent average FPS throughout all the resolutions, staying above 90 FPS in all cases, indicating that this is CPU / system limited with the power of these 3D boards. Because of this limitation there is very little difference between the two boards.

5900 Ultra 640x480 800x600 1024x768 1280x1024 1600x1200
Normal 96.0 97.1 95.1 92.3 92.8
8x AF 94.5 94.8 95.1 90.8 90.1
4XFSAA 91.0 90.5 89.4 85.9 79.3
8x AF + 4X FSAA 91.9 89.5 89.7 84.7 75.3
% Difference from Normal 640x480 800x600 1024x768 1280x1024 1600x1200
8x AF -2% -2% 0% -2% -3%
4XFSAA -5% -7% -6% -7% -15%
8x AF + 4X FSAA -4% -8% -6% -8% -19%

With 8x AF enabled the performance isn't greatly different from normal rendering, with at worst only 30% difference. With 4X FSAA enabled we do start to see some bandwidth limitation beyond 1024x768, climbing to a worst case performance hit of 19%. With both 4X FSAA and 8x AF enabled the performance hit marginally increased, with a worst case of 19% lower than normal rendering, but at 1600x1200 the performance is at a very playable 75 FPS on average.