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arstechnica-com-5559		New RISC-V CPU claims recordbreaking performance per watt | Ars Technica			.html	text/html	1952	130	71	New RISC-V CPU claims recordbreaking performance per watt | Ars Technica This is extremely crude, and I caution readers not to rely too much on comparing the M1's efficiency to the Swift 3's on these numbers alone—but it's good enough to get some perspective on Micro Magic's claim for its new RISC-V (pronounced "risk five") CPU. Micro Magic's RISC-V CPU delivers about 1/4 of the raw performance of a single Apple M1 Firestorm core at its hyper-efficient 3GHz clockrate. At the power-efficient 3GHz clockrate, the Micro Magic CPU is nearly three times faster than, for example, SiFive's Freedom U540 CPU running single-threaded. The Linux operating system already supports RISC-V architecture—so for headless or near-headless controllers that simply need to deliver decent performance paired with extreme power efficiency, Micro Magic's new CPU is likely most of the way there.	./cache/arstechnica-com-5559.html	./txt/arstechnica-com-5559.txt