At ISC 2026 in Hamburg, the 67th TOP500 list revealed a surprise: Line Shine from Shenzhen tops the chart. The Chinese supercomputer marks the first Chinese entry in nine years, powered entirely by the new LX2 CPU. Its 304 cores clock 1.55 GHz, delivering 60.3 TFLOP/s of FP64 at 690 W per chip in the system today again.

Each LX2 die nests four 40‑core clusters, with two cores disabled per cluster, leaving 38 active cores. A 28.5 MB L2 cache backs each cluster, while the package holds 32 GB of high‑bandwidth memory and 256 GB DDR5 spillover. Nodes pair two CPUs, and 8 nodes form a blade, scaling to 90 cabinets of compute power worldwide today.

The full Line Shine machine totals 13 million CPU cores and 22 k nodes, achieving 2.198 Exaflops sustained FP64 (Rmax) and 2.735 Exaflops peak (Rpeak). It consumes 42.22 MW, yielding 52.07 GFLOP/W—well below the leader’s 73.282 GFLOP/W but impressive for a CPU‑only system. It also tops the HPCG benchmark with 22.004 PFLOP/s in current ranking and remains significant achievement for exascale.

Eni’s HPC7, positioned sixth, mirrors El Capitan with HPE Cray EX4000 and AMD Instinct MI300A APUs, delivering 571.5 PFLOP/s Rmax at 8.735 MW. Italy now hosts more TOP500 compute than any other European nation, despite Germany’s lone Exascale. The ISC Group’s handover of TOP500 to ACM SIGHPC will grant each list a DOI, easing citation for research communities.