[bboreham]

The Commodore machine contemporaneous with the Apple II was the PET.

    Apple I - July 1976
    Commodore PET - January 1977
    Apple II - June 1977
    C64 - January 1982

(Dates from Wikipedia)

All four used the 6502.

[mschaef]

Apple made the II series for a long time. It was contemporaneous with the PET, but stuck around long enough to be relevant through the C64 and 128 (to the extent the 128 was relevant at all.)