Version and / or Patch Used: 1.1
Timedemo or Level Used: Custom Timedemo
Developer Homepage: http://www.idsoftware.com
Product Homepage: http://www.doom3.com
Doom 3 is still one of the most popular games at the moment and is quite intensive in the 3D department, even though it is starting to age. With our own custom time demo we are able to give a realistic rating on what kind of FPS you will be achieving.
For more information on benchmarking Doom 3 we recommend you check out our extensive article regarding it here.
It seems that in the real world, Core 2 is fed enough memory at 667MHz to keep it happy until the FSB is increased.