RISC-V processors have come a long way since their inception in 2010. Once thought to be significantly slower than the x86 and ARM counterparts, RISC-V processors like the new U84 from SiFive prove that this architecture is catching up very quickly and could become competitive in a few years.
https://www.notebookcheck.net/SiFive-readies-U8-Series-RISC-V-core-designs-to-compete-with-ARM-s-Cortex-A72-models.440633.0.html