Intel Pentium II 400 vs Intel Pentium III 600

On the Atlas performance index the Intel Pentium III 600 is about 50% faster. They launched 1 year apart.

Intel Pentium II 4002
Intel Pentium III 6003
Intel Pentium II 400Intel Pentium III 600
Released 1998 1999
Family Deschutes Katmai
Cores 1 1
Threads 1 1
Clock 400 MHz 600 MHz
Process 250 nm 250 nm
Power (TDP) 24 W –
Launch price – –
Performance index 2 3

Green marks the better value in each row. Less power, a smaller process and a lower price count as better.

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