Is there much of a real world difference, other than AA, between these 2 cards? How about the GF3 Ti-500 vs. the GF4 Ti-4400? I play racing games, such as RalliSport Challenge, on my AthlonXP 1900+ (1.6GHz), 512MB 2100, WinXP machine. That game has moments when I get video stuttering, so would a video card upgrade help, or is it more of a CPU problem? Thank.
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