Desktop PCs AMD-Athlon AMD Athlon XP 1900+ & Less 2000+ & More AMD-Duron AMD-K6 Intel 486 & Earlier Intel-Celeron 2.0 GHz & Less 2.1 GHz & More Intel-Pentium 166 MHz & Less 200 MHz & More Intel Pentium II 300 MHz & Less 300-350 MHz 400 MHz & More Intel-Pentium III 600 MHz & Less 600-750 MHz 800 MHz & More Intel-Pentium 4 1.6 GHz & Less 1.7-1.9 GHz 2.0-2.33 GHz 2.4 GHz 2.5-2.53 GHz 2.6-2.9 GHz 3.0 GHz & More Other