World's fastest 64bit RISC-V core claims 5GHz speed

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www.eenewseurope.com, Oct. 28, 2020 – 

EDA tool vendor Micro Magic in California has designed a 64bit processor based on the open source RISC-V instruction set architecture that it says will run at 5GHz, making it the world's fastest such device.

However, it is not clear whether this is just a design or what manufacturing process it might be targeting, or is design that has gone to silicon and proved to operate with a 5GHz clock.

The use of so-called overclocking of mainstream x86 architecture processors has produced record speeds above 8GHz but these require liquid nitrogen cooling to extract the tremendous levels of heat generated in such processors.

Micro Magic, which has roots that go back to Sun Microsystems, claims that its design/chip achieves a performance of 13,000 CoreMarks when operating at 1.1V and 5GHz clock frequency. The power consumption was not given. The same core running at 0.8V delivers 11,000 CoreMarks at 4.25GHz clock frequency while only consuming 200mW, the company states in an extremely short press statement.

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