The Intel Pentium has a separate section just for multiplication by 3, which has more transistors than a Z80 had in total.

The successor to the Pentium II from Intel. Introduced in the spring of 1999 at 500 MHz, the Pentium III architecture was similar to the Pentium II with the addition of 70 new instructions ...

Intel's top Pentium chip, introduced in late 2000. The successor to the Pentium III, the Pentium 4 features the NetBurst micro-architecture (see NetBurst). All Pentium 4 chips are single core ...