Delaware Judge in Qualcomm v Arm: RISC-V Is Unusable Today, Only Arm and x86 Matter

During the Qualcomm v Arm trial in Delaware, Judge Maryellen Noreika questioned the viability of RISC-V, stating that nobody can use it today and that Arm and Intel's x86 are the only practical CPU architectures. Arm's rebuttal witness conceded that RISC-V is barely off the ground in enterprise data centers, aside from early designs by Chinese firms like Alibaba.

• Judge Noreika: RISC-V is unusable today, only Arm and x86 are real
• Arm witness admitted RISC-V is barely used in data centers
• Dispute stems from Qualcomm's $1.4B Nuvia acquisition in 2021
• Alibaba showed 64-core RISC-V XuanTie C950 up to 3.2 GHz in March 2026