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Chinese startup launching RISC-V laptop for devs and engineers priced at around $300
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
If that is true I don't think it can be attributed to it being RISC
https://stackoverflow.com/questions/20298991/does-generally-risc-processors-have-lower-power-consumption-than-cisc-processors