European supercomputers
33 European systems, from JUPITER Booster (1,000 PFLOP/s) down to PERUN (13.9 PFLOP/s). Together they deliver 4,707 PFLOP/s of LINPACK. Sort by efficiency to see which sites get the most out of their peak.
| JUPITER Booster | 51 | EuroHPC/FZJ | 1,0001 | 1,226.281 | 81.51 | 15,7941 | NVIDIA | InfiniBand | 2025 | 2026-11-11 |
|---|---|---|---|---|---|---|---|---|---|---|
| HPC7 | 61 | Eni S.p.A. | 571.51 | 861.131 | 66.41 | 8,7351 | AMD | Slingshot | 2026 | 2026-11-11 |
| HPC6 | 81 | Eni S.p.A. | 477.91 | 606.971 | 78.71 | 8,4611 | AMD | Slingshot | 2024 | 2026-11-11 |
| Alps | 101 | Swiss National Supercomputing Centre (CSCS) | 434.91 | 574.841 | 75.71 | 7,1241 | NVIDIA | Slingshot | 2024 | 2026-11-11 |
| LUMI | 111 | EuroHPC/CSC | 379.71 | 531.511 | 71.41 | 7,1071 | AMD | Slingshot | 2023 | 2026-11-11 |
| Leonardo | 121 | EuroHPC/CINECA | 241.21 | 306.311 | 78.71 | 7,4941 | NVIDIA | InfiniBand | 2023 | 2026-11-11 |
| Isambard-AI phase 2 | 131 | University of Bristol | 216.51 | 278.581 | 77.71 | — | NVIDIA | Slingshot | 2025 | 2026-11-11 |
| ISEG2 | 151 | Nebius | 202.41 | 338.491 | 59.81 | 5,3001 | NVIDIA | InfiniBand | 2025 | 2026-11-11 |
| MareNostrum 5 ACC | 161 | EuroHPC/BSC | 175.31 | 249.441 | 70.31 | 4,1591 | NVIDIA | InfiniBand | 2023 | 2026-11-11 |
| CEA-HE | 291 | Commissariat a l'Energie Atomique (CEA) | 90.791 | 171.261 | 531 | 1,7701 | NVIDIA | BXI | 2024 | 2026-11-11 |
| DAEDALUS | 311 | EuroHPC/GRNET (National Infrastructures for Research and Technology) | 85.691 | 115.081 | 74.51 | 1,3951 | NVIDIA | Slingshot | 2026 | 2026-11-11 |
| Njoerd | 351 | Northern Data Group | 78.21 | 106.281 | 73.61 | — | NVIDIA | InfiniBand | 2024 | 2026-11-11 |
| Arrhenius GPU | 421 | EuroHPC/NAISS (National Academic Infrastructure for Supercomputing in Sweden) | 66.821 | 84.021 | 79.51 | 1,0881 | NVIDIA | Slingshot | 2026 | 2026-11-11 |
| Gefion | 431 | Danish Centre for AI Innovation | 66.591 | 100.631 | 66.21 | 1,7531 | NVIDIA | InfiniBand | 2024 | 2026-11-11 |
| Jean Zay H100 | 491 | CNRS/IDRIS-GENCI | 52.181 | 71.421 | 73.11 | — | NVIDIA | InfiniBand | 2024 | 2026-11-11 |
| ISEG | 541 | Nebius | 46.541 | 86.791 | 53.61 | 1,3201 | NVIDIA | InfiniBand | 2023 | 2026-11-11 |
| Adastra | 551 | Grand Equipement National de Calcul Intensif - Centre Informatique National de l'Enseignement Suprieur (GENCI-CINES) | 46.11 | 61.611 | 74.81 | 9211 | AMD | Slingshot | 2022 | 2026-11-11 |
| JUWELS Booster Module | 581 | Forschungszentrum Juelich (FZJ) | 44.121 | 70.981 | 62.21 | 1,7641 | NVIDIA | InfiniBand | 2020 | 2026-11-11 |
| MareNostrum 5 GPP | 611 | EuroHPC/BSC | 40.11 | 46.371 | 86.51 | 5,7531 | None listed | InfiniBand | 2023 | 2026-11-11 |
| HPC5 | 651 | Eni S.p.A. | 35.451 | 51.721 | 68.51 | 2,2521 | NVIDIA | InfiniBand | 2020 | 2026-11-11 |
| Sunrise | 671 | UKAEA - University of Cambridge | 34.771 | 46.161 | 75.31 | — | AMD | InfiniBand | 2026 | 2026-11-11 |
| Zenith | 681 | University of Cambridge | 34.771 | 46.161 | 75.31 | — | AMD | InfiniBand | 2026 | 2026-11-11 |
| Helma | 731 | Universitaet Erlangen - Regionales Rechenzentrum Erlangen | 32.221 | 51.031 | 63.11 | 6511 | NVIDIA | InfiniBand | 2024 | 2026-11-11 |
| MUSICA Phase 1 | 751 | MUSICA | 31.841 | 53.761 | 59.21 | — | NVIDIA | InfiniBand | 2024 | 2026-11-11 |
| Hunter | 761 | HLRS - Höchstleistungsrechenzentrum Stuttgart | 31.681 | 45.141 | 70.21 | 4901 | AMD | Slingshot | 2024 | 2026-11-11 |
| Viper-GPU | 771 | Max-Planck-Gesellschaft MPI/IPP | 31.11 | 44.161 | 70.41 | 5001 | AMD | InfiniBand | 2025 | 2026-11-11 |
| PITAGORA | 801 | CINECA | 27.91 | 36.971 | 75.51 | — | NVIDIA | InfiniBand | 2024 | 2026-11-11 |
| Mary Coombs | 861 | Science and Technology Facilities Council | 24.411 | 31.181 | 78.31 | — | NVIDIA | InfiniBand | 2025 | 2026-11-11 |
| Capella | 881 | TU Dresden, ZIH | 24.061 | 37.671 | 63.91 | 4451 | NVIDIA | InfiniBand | 2024 | 2026-11-11 |
| Roihu-G | 911 | CSC (Center for Scientific Computing) | 23.51 | 27.81 | 84.51 | 3811 | NVIDIA | InfiniBand | 2026 | 2026-11-11 |
| CEA-HF | 941 | Commissariat a l'Energie Atomique (CEA) | 23.241 | 31.761 | 73.21 | 4,9591 | None listed | BXI | 2021 | 2026-11-11 |
| DeepL Mercury | 1001 | DeepL SE Super POD Cluster Mercury | 21.851 | 33.851 | 64.51 | — | NVIDIA | InfiniBand | 2023 | 2026-11-11 |
| PERUN | 1451 | Slovak Academy of Sciences (SAV) | 13.91 | 181 | 77.21 | 2501 | NVIDIA | InfiniBand | 2026 | 2026-11-11 |