This is a 6502 and a 400 point breadboard. The 6502 has 3500 transistors. You could recreate the entire thing using eight breadboards.
The Z80 has 8500 transistors. It would take 21 breadboards to recreate it in discreet logic.
The 8086 has 29,000 transistors. It would 72 breadboards to recreate it.
The 68000, as its name implies, has 68,000 transistors, so 170 breadboards.
The 386? 275,000 transistors, necessitating 687 breadboards.
The original Pentium had 3.1 million transistors, so 7750 breadboards.
The Pentium 4 Northwood had 55 million transistors, so 137,500 breadboards
The i7 Haswell has 2.6 billion transistors, so 6.5 million breadboards
How does that make you feel?