Which CPU should I use?

CaseyRedDragon

Honorable
Sep 29, 2014
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10,510
I have a web server I made out of a old computer and I'm wanting to upgrade the CPU in it. I have several computers that I can get a CPU and motherboard from. I would like to know what you guys think would be the better one to use. It currently has a Pentium 3 550 MHz SL3FJ
Here is the CPU's i got
AMD Athlon XP 1700+ 1467 MHz FSB 266 MHz
AMD Athlon 1200 1200 MHz FSB 200 MHz
Pentium 3 800EB 800 MHz FSB 133 MHz
Pentium 3 750 MHz FSB 100 MHz SL3XP
I also have some more Pentium 3s
Which of these should I use or should I buy a better Pentium 3 CPU? Would the Athlon XP be the better one or would it be best to use a Pentium 3?

Update: It will mainly be running a simple website. I plan to put Lubuntu on it.