NVIDIA RTX Spark SoC Invades Windows PC: Arm CPU + GPU with 128GB Unified Memory Reshapes AI PC
At HPE Discover 2026, NVIDIA unveiled the RTX Spark SoC for Windows PCs, built on TSMC 3nm with a MediaTek-designed Arm CPU, 70B transistors, and up to 128GB unified memory. This marks NVIDIA's official entry into the PC SoC market, directly challenging Intel, AMD, and Qualcomm in the AI PC segment.