[epx]

Aren't 99,99999% of these transistors used in cache?

[nomel]

Look up "CPU die diagram". You'll see the physical layout of the CPU with annotated blocks.

Zen 3 example: https://www.reddit.com/r/Amd/comments/jqjg8e/quick_zen3_die_...

So, more like 85%, or around 6 orders of magnitude difference from your guess. ;)

[PopePompus]

Gosh no. Often a majority of the transistors are used in cache, but not 99%.