For more information about the sites and systems in the list, click on the links or view the complete list.
| Rank | System | Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) |
|---|---|---|---|---|---|
| 1 | ASCI Red, Intel Sandia National Laboratories United States | 9,152 | 1,338.00 | 1,830.40 | |
| 2 | T3E1200, Cray/HPE Government United States | 1,084 | 891.00 | 1,300.80 | |
| 3 | T3E900, Cray/HPE Government United States | 1,324 | 815.00 | 1,191.60 | |
| 4 | ASCI Blue Mountain, HPE Los Alamos National Laboratory United States | 6,144 | 690.90 | 3,072.00 | |
| 5 | T3E900, Cray/HPE United Kingdom Meteorological Office United Kingdom | 876 | 552.00 | 788.40 | |
| 6 | ASCI Blue-Pacific CTR, IBM SP 604e, IBM IBM United States | 1,952 | 547.00 | 1,296.10 | |
| 7 | T3E1200, Cray/HPE CSAR at the University of Manchester United Kingdom | 612 | 509.00 | 734.40 | |
| 8 | ASCI Blue-Pacific CTR, IBM SP 604e, IBM Lawrence Livermore National Laboratory United States | 1,344 | 468.20 | 892.40 | |
| 9 | T3E900, Cray/HPE Naval Oceanographic Office - NAVO DSRC United States | 700 | 449.00 | 630.00 | |
| 10 | T3E, Cray/HPE NASA/Goddard Space Flight Center United States | 1,084 | 448.60 | 650.40 |