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SiFive reckons its fastest RISC-V processor core yet is closing the gap on being a mainstream computing alternative to x86 and Arm.

The yet-unnamed high-performance design is within reach of Intel’s Rocket Lake family, introduced in March, and Arm’s Cortex-A78 design, announced last year, in terms of single-core performance, James Prior, senior director of product marketing and communications at SiFive, told The Register.

San Francisco-based SiFive didn’t provide specific comparative benchmarks, so you’ll have to take their word for it, if you so choose.

RISC-V is an open-source, royalty-free instruction set architecture for CPU cores: RISC-V International sets the specifications, and semiconductor designers like SiFive implement them as designs that can be slotted into system-on-chips for customers among other IP.

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