Rmax and Rpeak values are in GFlops. For more details about other fields, check the TOP500 description.
Rpeak values are calculated using the advertised clock rate of the CPU. For the efficiency of the systems you should take into account the Turbo CPU clock rate where it applies.
| Rank | Site | System | Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) |
|---|---|---|---|---|---|---|
| 1 | Sandia National Laboratories United States |
ASCI Red
Intel |
9,152 | 1,338.0 | 1,830.4 | |
| 2 | Government United States |
T3E1200
Cray Inc. |
1,080 | 891.0 | 1,296.0 | |
| 3 | Government United States |
T3E900
Cray Inc. |
1,248 | 634.0 | 1,123.2 | |
| 4 | United Kingdom Meteorological Office United Kingdom |
T3E900
Cray Inc. |
840 | 450.0 | 756.0 | |
| 5 | NASA/Goddard Space Flight Center United States |
T3E
Cray Inc. |
1,024 | 448.6 | 614.4 | |
| 6 | Center for Computational Sciences, University of Tsukuba Japan |
CP-PACS/2048
Hitachi/Tsukuba |
2,048 | 368.2 | 614.4 | |
| 7 | Max-Planck-Gesellschaft MPI/IPP Germany |
T3E
Cray Inc. |
784 | 342.0 | 470.4 | |
| 8 | DOE/SC/LBNL/NERSC United States |
T3E900
Cray Inc. |
512 | 321.0 | 460.8 | |
| 9 | Naval Oceanographic Office - NAVO DSRC United States |
T3E900
Cray Inc. |
512 | 321.0 | 460.8 | |
| 10 | Universitaet Stuttgart Germany |
T3E900
Cray Inc. |
512 | 321.0 | 460.8 | |
| 11 | Deutscher Wetterdienst Germany |
T3E900
Cray Inc. |
400 | 251.0 | 360.0 | |
| 12 | Atmospheric Environment Service (AES) Canada |
SX-4/128M4
NEC |
128 | 244.0 | 256.0 | |
| 13 | Tohoku University Japan |
SX-4/128H4
NEC |
128 | 244.0 | 256.0 | |
| 14 | University of Tokyo Japan |
SR2201/1024
Hitachi |
1,024 | 232.4 | 307.2 | |
| 15 | National Aerospace Laboratory of Japan Japan |
Numerical Wind Tunnel
Fujitsu |
167 | 229.0 | 281.3 | 498 |
| 16 | Forschungszentrum Juelich (FZJ) Germany |
T3E
Cray Inc. |
512 | 222.0 | 307.2 | |
| 17 | Pittsburgh Supercomputing Center United States |
T3E
Cray Inc. |
512 | 222.0 | 307.2 | |
| 18 | Silicon Graphics United States |
T3E
Cray Inc. |
512 | 222.0 | 307.2 | |
| 19 | ECMWF United Kingdom |
VPP700/116
Fujitsu |
116 | 213.0 | 255.2 | |
| 20 | Government United States |
T3E1200
Cray Inc. |
256 | 211.8 | 307.2 | |
| 21 | US Army HPC Research Center at NCS United States |
T3E1200
Cray Inc. |
256 | 211.8 | 307.2 | |
| 22 | ERDC DSRC United States |
T3E900
Cray Inc. |
312 | 196.0 | 280.8 | |
| 23 | DOE/SC/Pacific Northwest National Laboratory United States |
SP P2SC 120/135 MHz
IBM |
512 | 180.9 | 248.3 | |
| 24 | Forschungszentrum Juelich (FZJ) Germany |
T3E900
Cray Inc. |
256 | 161.0 | 230.4 | |
| 25 | Minnesota Supercomputer Center United States |
T3E900
Cray Inc. |
256 | 161.0 | 230.4 | |
| 26 | University of Edinburgh United Kingdom |
T3E900
Cray Inc. |
256 | 161.0 | 230.4 | |
| 27 | Commissariat a l'Energie Atomique (CEA) France |
T3E750
Cray Inc. |
280 | 146.0 | 210.0 | |
| 28 | Sandia National Laboratories United States |
XP/S140
Intel |
3,680 | 143.4 | 184.0 | |
| 29 | CINECA Italy |
T3E1200
Cray Inc. |
160 | 132.4 | 192.0 | |
| 30 | DOE/SC/Oak Ridge National Laboratory United States |
XP/S-MP 150
Intel |
3,072 | 127.1 | 154.0 | |
| 31 | National Institute for Fusion Science (NIFS) Japan |
SX-4/64M2
NEC |
64 | 122.0 | 128.0 | |
| 32 | Osaka University Japan |
SX-4/64M2
NEC |
64 | 122.0 | 128.0 | |
| 33 | CSC (Center for Scientific Computing) Finland |
T3E750
Cray Inc. |
224 | 115.0 | 168.0 | |
| 34 | Government United States |
T3E
Cray Inc. |
256 | 112.0 | 153.6 | |
| 35 | IDRIS France |
T3E
Cray Inc. |
256 | 112.0 | 153.6 | |
| 36 | UCSD/San Diego Supercomputer Center United States |
T3E
Cray Inc. |
256 | 112.0 | 153.6 | |
| 37 | Kyushu University Japan |
VPP700/56
Fujitsu |
56 | 110.0 | 123.2 | |
| 38 | National Lab. for High Energy Physics Japan |
VPP500/80
Fujitsu |
80 | 109.0 | 128.0 | |
| 39 | Leibniz Rechenzentrum Germany |
VPP700/52
Fujitsu/SNI |
52 | 106.0 | 114.4 | |
| 40 | Government United States |
T3E750
Cray Inc. |
208 | 105.9 | 156.0 | |
| 41 | Japan Atomic Energy Research Institute Japan |
XP/S-MP 125
Intel |
2,502 | 103.5 | 125.1 | |
| 42 | Government United States |
T3D MC1024-8
Cray Inc. |
1,024 | 100.5 | 153.6 | |
| 43 | Sun United States |
HPC 10000 Cluster
Oracle |
256 | 100.4 | 128.0 | |
| 44 | National Supercomputer Centre (NSC) Sweden |
T3E
Cray Inc. |
216 | 94.2 | 129.6 | |
| 45 | Government Agency United States |
T3E
Cray Inc. |
200 | 86.7 | 120.0 | |
| 46 | IBM United States |
SP P2SC 160 MHz
IBM |
256 | 83.4 | 163.8 | |
| 47 | Air Force Research Laboratory United States |
SP P2SC 135 MHz
IBM |
256 | 83.4 | 138.2 | |
| 48 | ERDC DSRC United States |
SP P2SC 135 MHz
IBM |
256 | 83.4 | 138.2 | |
| 49 | ZIB/Konrad Zuse-Zentrum fuer Informationstechnik Germany |
T3E900
Cray Inc. |
136 | 82.3 | 122.4 | |
| 50 | Maui High-Performance Computing Center (MHPCC) United States |
SP P2SC 160 MHz
IBM |
243 | 80.7 | 155.5 | |
| 51 | Government United States |
T3E750
Cray Inc. |
160 | 80.5 | 120.0 | |
| 52 | KISTI Supercomputing Center Korea, South |
T3E900
Cray Inc. |
128 | 77.5 | 115.2 | |
| 53 | Commissariat a l'Energie Atomique (CEA) France |
T3E
Cray Inc. |
176 | 76.2 | 105.6 | |
| 54 | Chip Manufacturer (B) United States |
SP2/402
IBM |
402 | 69.3 | 106.9 | |
| 55 | NRI for Earth Science and Disaster (NIED) Japan |
T3E
Cray Inc. |
160 | 69.3 | 96.0 | |
| 56 | Bureau of Meteorology / CSIRO HPCCC Australia |
SX-4/32
NEC |
32 | 61.7 | 64.0 | |
| 57 | HWW/Universitaet Stuttgart Germany |
SX-4/32
NEC |
32 | 61.7 | 64.0 | |
| 58 | National Institute for Environmental Studies Japan |
SX-4/32
NEC |
32 | 61.7 | 64.0 | |
| 59 | NEC Fuchu Plant Japan |
SX-4/32
NEC |
32 | 61.7 | 64.0 | |
| 60 | KTH - Royal Institute of Technology Sweden |
SP P2SC 160 MHz
IBM |
146 | 60.9 | 93.4 | |
| 61 | Los Alamos National Laboratory United States |
CM-5/1056
Thinking Machines Corporation |
1,056 | 59.7 | 135.2 | |
| 62 | Japan Atomic Energy Research Institute Japan |
VPP500/42
Fujitsu |
42 | 59.6 | 67.2 | |
| 63 | Nagoya University Japan |
VPP500/42
Fujitsu |
42 | 59.6 | 67.2 | |
| 64 | Government United States |
T3E
Cray Inc. |
136 | 59.1 | 81.6 | |
| 65 | Real World Computing (RWCP) Japan |
SR2201/256
Hitachi |
256 | 58.7 | 76.8 | |
| 66 | University of Tokyo/Human Genome Center, Institute of Medical Science Japan |
SR2201/256
Hitachi |
256 | 58.7 | 76.8 | |
| 67 | University of Alaska - Arctic Region Supercomputing Center United States |
T3E900
Cray Inc. |
96 | 58.4 | 86.4 | |
| 68 | Meteo France France |
VPP700/26E
Fujitsu |
26 | 58.0 | 62.4 | |
| 69 | UCSD/San Diego Supercomputer Center United States |
SP P2SC 160 MHz
IBM |
128 | 57.2 | 81.9 | |
| 70 | National Institute of Genetics Japan |
VPP500/40
Fujitsu |
40 | 56.9 | 64.0 | |
| 71 | University of Tokyo/Institute for Solid State Physics Japan |
VPP500/40
Fujitsu |
40 | 56.9 | 64.0 | |
| 72 | ERDC DSRC United States |
SP P2SC 160 MHz
IBM |
126 | 56.4 | 80.6 | |
| 73 | Computer Sciences Corporation (CSC) United Kingdom |
T3E
Cray Inc. |
128 | 55.7 | 76.8 | |
| 74 | Japan Adv. Inst. of Science and Technology (JAIST) Japan |
T3E
Cray Inc. |
128 | 55.7 | 76.8 | |
| 75 | Ohio Supercomputer Center United States |
T3E
Cray Inc. |
128 | 55.7 | 76.8 | |
| 76 | Cornell Theory Center United States |
SP P2SC 120 MHz
IBM |
160 | 53.0 | 76.8 | |
| 77 | Caltech/JPL United States |
Exemplar X-Class
HPE |
128 | 51.3 | 92.2 | |
| 78 | Hewlett-Packard CXTC United States |
Exemplar X-Class
HPE |
128 | 51.3 | 92.2 | |
| 79 | Chip Manufacturer (D) United States |
SP P2SC 160 MHz
IBM |
114 | 51.2 | 73.0 | |
| 80 | University of Cambridge United Kingdom |
SR2201/224
Hitachi |
224 | 51.1 | 67.2 | |
| 81 | Los Alamos National Laboratory United States |
T3D MC512-8
Cray Inc. |
512 | 50.8 | 76.8 | |
| 82 | Network Computing Services, Inc. United States |
T3D MC512-8
Cray Inc. |
512 | 50.8 | 76.8 | |
| 83 | Pittsburgh Supercomputing Center United States |
T3D MC512-8
Cray Inc. |
512 | 50.8 | 76.8 | |
| 84 | University of Edinburgh United Kingdom |
T3D MC512-8
Cray Inc. |
512 | 50.8 | 76.8 | |
| 85 | Chip Manufacturer (A) United States |
SP P2SC 120 MHz
IBM |
152 | 50.4 | 73.0 | |
| 86 | The Scripps Research Institute United States |
T3E900
Cray Inc. |
80 | 48.9 | 72.0 | |
| 87 | National Aerospace Laboratory of Japan Japan |
SX-4/25
NEC |
25 | 48.3 | 50.0 | |
| 88 | The Angstrom Technology Partnership Japan |
VPP500/32
Fujitsu |
32 | 46.1 | 51.2 | |
| 89 | Scientific Supercomputing Center Karlsruhe Germany |
SP2/256
IBM |
256 | 44.2 | 68.1 | |
| 90 | NERSC/LBNL/Berkeley Labs United States |
T3E
Cray Inc. |
96 | 42.0 | 57.6 | |
| 91 | Institute of Physical and Chemical Research (RIKEN) Japan |
VPP500/28
Fujitsu |
28 | 40.4 | 44.8 | |
| 92 | Korea Telecom Korea, South |
SP P2SC 160 MHz
IBM |
89 | 40.3 | 57.0 | |
| 93 | Computer Sciences Corporation (CSC) United Kingdom |
ORIGIN 2000 250 MHz
HPE |
128 | 40.2 | 64.0 | |
| 94 | National Center for Atmospheric Research (NCAR) United States |
ORIGIN 2000 250 MHz
HPE |
128 | 40.2 | 64.0 | |
| 95 | Air Force Research Laboratory United States |
ORIGIN 2000
HPE |
128 | 40.2 | 49.9 | |
| 96 | Air Force Research Laboratory United States |
ORIGIN 2000
HPE |
128 | 40.2 | 49.9 | |
| 97 | Cray Research United States |
ORIGIN 2000
HPE |
128 | 40.2 | 49.9 | |
| 98 | ERDC DSRC United States |
ORIGIN 2000
HPE |
128 | 40.2 | 49.9 | |
| 99 | Kyoto University Japan |
ORIGIN 2000
HPE |
128 | 40.2 | 49.9 | |
| 100 | Los Alamos National Laboratory United States |
ORIGIN 2000
HPE |
128 | 40.2 | 49.9 |