China's LineShine Supercomputer Becomes World's Fastest
Original: China Defies US Restrictions and Builds the World’s Fastest Supercomputer
Why This Matters
Demonstrates China's technological self-sufficiency in advanced computing amid US-China tech competition and export restrictions.
China's LineShine supercomputer, installed at the National Supercomputing Center in Shenzhen, has become the world's fastest system, displacing the US El Capitan from the top spot in the TOP500 ranking. LineShine delivers 2,198 exaflops and exceeds El Capitan's processing capacity by over 20 percent.
China has achieved technological supremacy in high-performance computing with LineShine, which ranks first in the TOP500 supercomputer rankings as of June 2026. The system, located at the National Supercomputing Center in Shenzhen, surpassed the United States' El Capitan supercomputer, which had held the top position since 2024. This marks China's return to first place after nearly a decade.
LineShine delivers 2,198 exaflops of computing power (over 2 quintillion operations per second) while consuming approximately 42.2 megawatts of power. The benchmark results confirm it exceeds El Capitan's processing capacity by more than 20 percent. A distinctive feature is that LineShine uses exclusively central processing units (CPUs) rather than graphics processing units (GPUs) common in modern supercomputers.
The entire system is built with Chinese-developed hardware and software. Its architecture is based on the LingKun platform with approximately 45,000 LX2 processors, each containing 304 cores operating at 1.55 GHz. The nodes connect through LingQi, a high-speed network designed to minimize latency. The system runs on Kylin OS, a Linux-based operating system used across China's scientific and government infrastructure.
The achievement comes amid escalating technological competition between China and the United States, marked by US export controls on advanced chips, GPUs, and AI-related components. China has responded with reciprocal restrictions. TOP500 rankings have historically been dominated by US-developed systems since the ranking began in 1993, evaluated every six months through standardized benchmarks.