Comment by thrownawaysz

If we go by Apple's architecture history we will get a new one, maybe RISC-V, in 2036.

m68k (1984) > PPC (1994) - 10 years

PPC (1994) > x86 (2006) - 12 years

x86 (2006) > ARM64 (2020) - 14 years

ARM64 (2020) > ??? (2036) - 16 years