system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why don't CPU manufacturing companies increase the size of their processors; to accommodate more transistors, rather than making transistors smaller? Since they arguably can't go smaller than 14 nm.
gpt
Size is the enemy of high frequencies, as your signal can only go so far per clock cycle, as well as your parts starting to act as antennas if they are long enough (half the wavelength, which at 4ghz is 7cm, so if you have 3.5cm of straight wire anywhere that thing is gonna broadcast like mad)