Notes: All timedemos were ran at 640x480 at 32 bit colour depth. Windows disables "VolumetricLighting" and "DetailTextures" by default while Linux enables them. Optimized settings are having "NoDynamicLighting" set to "True" with "Coronas" and "VolumetricLighting" set to "False". Timedemo was launched with the following console commands: timedemo 1 open cityintro And Escape was pressed at the end of Lani Minella's opening narration. Results: Windows D3DDRV default: 3074 frames rendered in 79.05 seconds. Min 23.80 Max 69.80 Avg 39.98 fps. Windows D3DDRV optimized: 3074 frames rendered in 79.21 seconds. Min 24.42 Max 74.71 Avg 39.80 fps. Linux SDLGLDRV default: 1527 frames rendered in 79.45 seconds. Min 6.76 Max 46.72 Avg 19.21 fps. Linux SDLGLDRV optimized: 2417 frames rendered in 79.67 seconds. Min 15.99 Max 49.68 Avg 30.32 fps