It's the graphics card that is the real engine when you talk about gaming and so is the most important part when it comes to differances in actual gaming performance.
If this is a 800fsb P4 2.4 then the CPU's are almost matched, the P4 better for number crunching (video editting etc) and the Athlon maybe better in games but a VERY close call.
I'm not saying the CPU doesn't make a differance but only slight, maybe a fcouple of hundred points in a 3D benchmark when going up a CPU speed.
On the other hand going one grapghics card up eg:
Say going from a Radeon 128mb Radeon 9200 to a 9600 could DOUBLE your 3D benchmark results (100% higher)
Likely these two CPU's on equivelent platforms, with the same graphics card would be seperated by less than 3%
Martin
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