SiPearl: A High-Performance CPU Startup SiPearl is a European fabless semiconductor startup developing energy-efficient high-performance CPUs for applications in AI, healthcare, climate, and more. IDTechEx Technology Analyst James Falkiner sat down for a conversation with SiPearl's CEO and Founder, Philippe Notton, where they discussed SiPearl's upcoming Rhea1 CPU. SiPearl: A High-Performance CPU Startup