this post was submitted on 03 Sep 2024
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[–] [email protected] 11 points 2 months ago

The Risc Isa isn't simple anymore. It has more instructions than a 90's CISC CPU.

Arm has 64 bit, 32bit and 16 bit (Thumb) instructions.

The legacy 8-32bit Intel ISA doesn't eat power if it isn't used. It wastes a little silicon but it's extremely tiny on modern CPU's.