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anands review here, my x1800 xt ran +/- 50 of what they got for x1800 xt, and I am running an fx-57, raptor, x1800 xt, 1.5 igs ram, asus mobo. Seems like 3dmark 06 favors nvidia. I got scared when the CPU part was giving my <1 fps, I had never run 3mark anything before. Turned out I was dead on.