Ars Technica: New RISC-V CPU claims recordbreaking performance per watt.
[1]https://arstechnica.com/gadgets/2020/12/new-risc-v-cpu-claims-recordbreaking-
performance-per-watt/

References

   1. https://arstechnica.com/gadgets/2020/12/new-risc-v-cpu-claims-recordbreaking-performance-per-watt/