Cpu Mobile
Cpu Mobile
What is the reason that ARM based CPUs (for mobile devices) are more power saving than x86 CPUs?
More specifically, is ARM architecture itself responsible for ARM based CPUs consuming less power, or are x86 based CPUs (for mobile devices) more power hungry only because nobody (Intel and others) has made them power saving yet?
So is the architecutre (ISA etc) itself responsible for power saving, or is there some other reason?
ARM chips are simple by comparison to x86 chips. Simple means less circuitry and less power. If you look at ARM assembler and 586 assembler you will see what I mean.
ARM chips have general purpose registers that you can apply simple operations to. x86 chips have registers of differing widths with specific uses (arithmetic, addressing) that you can do quite complex instructions with.
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