On: Zilog Z80 CPU – Modern, free and open source silic...

[skywal_l]

Actually more of a Pentium IV.

    Pentium III: 250 nm to 130 nm [0]
    Pentium VI: 180 nm to 65 nm [1]

Which is indeed amazing.

[0] https://en.wikipedia.org/wiki/Pentium_III

[1] https://en.wikipedia.org/wiki/Pentium_4