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Cybercab has double the RAM and a bit more memory bandwidth, but otherwise it's the same 8 external mono RGB cameras.

It's maybe $1.5K of BoM total for the chip, memory, and cameras.

Tesla is also able to save on components that are no longer needed: steering wheel and steering column, rear window mirror, control to change gears etc. I wouldn't be surprised if it's cheaper to make those cars than standard ones.

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