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SiPearl Finally Tapes Out Rhea1 Supercomputer Chip

Summary by The Register
: Design sent to TSMC as startup wraps €130M funding round and targets 2026 silicon

9 Articles

The French-German start-up SiPearl has just raised €130 million to finance the industrialization of its 80-core Rhea processor in ARM architecture, "designed to work with any third-party accelerator in the high-performance computing market."The Rhea processor has been selected for medical research, energy management and [...] The post SiPearl raises €130 million to produce its own Arm appeared first on ChannelNews chip.

SiPearl, the company in charge of the Rhea1 processor within the framework of the European Processor Initiative (EPI), has just taken a key step with the tap-out, i.e. the transfer to the industrial for the launch of the production. The first chips are expected at the beginning of 2026...

SiPearl has completed the design of its 80-core Rhea1 and sent it to the TSMC chip order maker. A supercomputer is waiting.

·Germany
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We had been talking about the European Rhea1 processor for quite some time, and the last time we did it was to announce a delay. And as it seems a habit, we are now talking about this CPU again because it has been delayed. This processor designed in Europe was announced in 2021. This processor was due to arrive in 2024 and was delayed by 2025. Taking advantage of that delay to add a greater number of cores and modifying Rhea's name to Rhea1. And…

Founded in 2020, SiPearl has been working for five years on a HPC chip developed in Europe based on the European Processor Initiative (EPI).

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eeNews Europe broke the news in on Wednesday, July 9, 2025.
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