[r3012]

You can actually see this for yourself in the new open source PDKs.

https://skywater-pdk.readthedocs.io/en/main/contents/librari...

See how there are six foundry provided cell libraries that make different performance, power and area trade-offs. Even though it’s all 130nm.

There are even more libraries than that too. Like the OSU one that makes even different trade offs.