I dunno, but I have nearly full graphics for FEAR MP demo, and I get 40-50 FPS, with 1280x1024, 4x AA, 16x AF.
Rare times I get 30 or under, and that's only when there's like more than 12 players in the same room, firing chunks of bullets and nailguns (penetrator).
Have A64 3200+ 754, X800...