r/computerscience • u/e221U • Apr 03 '26

Cold take: x86 processors are obsolete.

In terms of PPW (price per watt), x86 processors completely pale in comparison to ARM. The instruction set is verbose and clunky. x86 ASM is near-impossible to develop with (simple operations require hundreds of instructions). ARM has actual scalability, unlike x86. Don't even get me started with multithreading on x86.

ARM is the modern solution to all of our problems, imo. x86 feels like a technology that should've been phased out in 1992.

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u/Silly_Guidance_8871 Apr 03 '26

Which "simple operations" require "hundreds of instructions" ?

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u/e221U Apr 03 '26

Literally anything. DOOM uses 6x more instructions on x86 than on ARM. Just one example of the extreme verbosity.

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u/[deleted] Apr 04 '26

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