SiFive refreshes Intelligence series with Gen 2 cores for edge AI

New X100 leads lineup; XM, X200, X300 also get AI-centric upgrades.

September 18, 2025

David Harold

SiFive has introduced its second-generation Intelligence family, adding the new X160 and X180 cores to a refreshed X280, X390, and XM. The X100 Gen 2 parts target far-edge and deeply embedded AI with dual-issue scalar plus 128-bit vectors and second-gen coprocessor interfaces (SSCI/VCIX) to steer external accelerators. Licensing is open now; first customer silicon is expected in Q2’26. The launch was timed to the AI Infra Summit September 9–11 in Santa Clara, California. SiFive’s second-generation Intelligence family. (Source: SiFive) “I believe that just like mobile technology made Arm the go-to processor IP, the rise of ubiquitous AI, especially at the

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SiFive refreshes Intelligence series with Gen 2 cores for edge AI

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