February 2008 : 1-100

The Green500 list uses measured power of the system if available, otherwise the peak power of the system is used. Systems where peak power was used are represented in "gray", while systems where measured power was used are represented in "black".

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* Data source: http://www.top500.org

Green500 Rank MFLOPS/W Site* Computer* Total Power (kW) TOP500 Rank*
1 357.23 Science and Technology Facilities Council - Daresbury Laboratory Blue Gene/P Solution 31.10 121
2 352.25 Max-Planck-Gesellschaft MPI/IPP Blue Gene/P Solution 62.20 40
3 346.95 IBM - Rochester Blue Gene/P Solution 124.40 24
4 336.21 Forschungszentrum Juelich (FZJ) Blue Gene/P Solution 497.60 2
5 310.93 Oak Ridge National Laboratory Blue Gene/P Solution 70.47 41
6 210.56 Harvard University eServer Blue Gene Solution 44.80 170
7 210.56 High Energy Accelerator Research Organization /KEK eServer Blue Gene Solution 44.80 171
8 210.56 IBM - Almaden Research Center eServer Blue Gene Solution 44.80 172
9 210.56 IBM Research eServer Blue Gene Solution 44.80 173
10 210.56 IBM Thomas J. Watson Research Center eServer Blue Gene Solution 44.80 174
11 210.56 Renaissance Computing Institute (RENCI) eServer Blue Gene Solution 44.80 175
12 210.56 University of Canterbury eServer Blue Gene Solution 44.80 176
13 208.31 Forschungszentrum Juelich (FZJ) eServer Blue Gene Solution 179.20 28
14 208.31 Computational Biology Research Center, AIST eServer Blue Gene Solution 89.60 52
15 208.31 EDF R&D; eServer Blue Gene Solution 89.60 53
16 208.31 Ecole Polytechnique Federale de Lausanne eServer Blue Gene Solution 89.60 54
17 208.31 High Energy Accelerator Research Organization /KEK eServer Blue Gene Solution 89.60 55
18 208.31 High Energy Accelerator Research Organization /KEK eServer Blue Gene Solution 89.60 56
19 208.31 IBM Rochester, On Demand Deep Computing Center eServer Blue Gene Solution 89.60 57
20 208.31 Indian Institute of Science eServer Blue Gene Solution 89.60 58
21 205.27 DOE/NNSA/LLNL eServer Blue Gene Solution 2329.60 1
22 205.06 UCSD/San Diego Supercomputer Center eServer Blue Gene Solution 67.20 93
23 204.24 ASTRON/University Groningen eServer Blue Gene Solution 134.40 37
24 203.77 Stony Brook/BNL, New York Center for Computational Sciences eServer Blue Gene Solution 403.20 10
25 203.77 Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations eServer Blue Gene Solution 358.40 12
26 203.77 IBM Thomas J. Watson Research Center eServer Blue Gene Solution 448.00 8
27 177.06 NCSA PowerEdge 1955, 2.33 GHz, Infiniband 354.00 14
28 157.27 SGI SGI Altix ICE 8200, 3.0 GHz 123.10 50
29 157.24 Argonne National Laboratory - CNM TeamHPC Xeon 5355 Cluster, Quad Xeon 2.66GHz, Infiniband 63.36 150
30 155.71 Manufacturing Company (I) SGI Altix ICE 8200, 3.0 GHz 61.50 167
31 155.27 Maui High-Performance Computing Center (MHPCC) PowerEdge 1955, 3.0 GHz, Infiniband 273.00 25
32 154.93 Tokyo University - Institute for Cosmic Ray Research SGI Altix ICE 8200, quad core 2.33 GHz 46.00 360
33 152.21 Texas Advanced Computing Center/Univ. of Texas PowerEdge 1955, 2.66 GHz, Infiniband 307.02 22
34 150.45 Near East University BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband 51.44 308
35 150.45 Online Gaming (D) BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, Windows 51.44 309
36 150.45 Qualcomm BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet 51.44 310
37 148.92 Naval Research Laboratory (NRL) SGI Altix ICE 8200, 3.0 GHz 97.50 82
38 148.11 SGI/New Mexico Computing Applications Center (NMCAC) SGI Altix ICE 8200, Xeon quad core 3.0 GHz 856.80 3
39 142.21 Scientific Supercomputing Center Karlsruhe Transtec Xeon Cluster 88.88 104
40 141.35 NASA/Ames Research Center/NAS SGI Altix ICE 8200, 2.66 GHz 230.07 34
41 140.23 Louisiana State University PowerEdge 1955, 2.66 GHz, Infiniband 75.60 133
42 139.68 Michigan State University SGI Altix XE 1300 Cluster Solutions, 2.33GHZ, Infiniband 53.10 324
43 138.83 Idaho National Laboratory SGI Altix ICE 8200, 2.66 GHz 123.10 64
44 137.99 University of Minnesota SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband 125.44 62
45 137.51 Stanford University/Biomedical Computational Facility PowerEdge 1950, 2.33 GHz, Infiniband 113.23 73
46 131.73 University of North Carolina PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband 218.40 36
47 130.95 Arizona State University High Performance Computing Center PowerEdge 1955, Quad Core 2.66 GHz, Infiniband 92.40 110
48 129.60 National Taiwan University BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, Infiniband, Windows 47.77 239
49 127.82 Siberian National University BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband 72.66 183
50 127.55 Audi AG Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband 86.70 123
51 125.41 NCSA PowerEdge 1955, 2.66 GHz, Infiniband 133.00 66
52 117.77 Pacific Northwest National Laboratory spray cooled xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 78.85 186
53 114.51 Imperial College ICT HPC PowerEdge 1955, 2.66 GHz, Gigabit/10G Infiniband 88.20 148
54 109.91 NNSA/Sandia National Laboratories PowerEdge 1950, 3 GHz, Voltaire Infiniband 93.80 143
55 109.28 Microsoft Windows HPC Group PowerEdge 1955, 1.86 GHz, Cisco Infiniband, Windows OS 107.52 116
56 107.61 Fraunhofer ITWM PowerEdge 1950, 2.33 GHz, Infiniband 75.62 244
57 104.25 Financial Institution (U1) BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet 76.10 270
58 104.25 Financial Institution (U1) BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet 75.63 301
59 104.25 Financial Institution (U1) BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet 75.63 302
60 104.25 Digital Media Company (G) BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet 69.60 339
61 104.25 Digital Media Company (G) BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet 69.60 340
62 104.25 Financial Institution (P) BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet 69.60 341
63 104.25 Banking B xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 68.67 355
64 104.25 Banking B xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 68.67 356
65 104.25 Semiconductor Company (C) xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 68.67 357
66 104.25 Semiconductor Company (C) xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 68.67 358
67 104.25 Bear Stearns BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet 68.21 363
68 104.25 Bear Stearns BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet 68.21 364
69 104.25 MTU Aero Engines xSeries x3550 Cluster Xeon quad core 2.33 GHz, Myrinet 59.39 453
70 104.25 Research xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 58.93 458
71 104.25 Research xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 58.46 480
72 103.32 Financial DCCoD (A) xSeries x3550 Cluster Xeon, 3 GHz, Infiniband 79.24 240
73 103.32 Financial DCCoD (A) xSeries x3550 Cluster Xeon, 3 GHz, Infiniband 78.86 243
74 102.64 Research xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet 90.48 185
75 100.12 Tomsk State University Xeon Cluster, QLogic InfiniPath 89.99 199
76 98.95 Industrial Company BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband 64.08 430
77 98.95 University of Warwick BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband 91.54 195
78 98.95 University of Kentucky BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband 129.69 103
79 95.31 Financial Institution (P) BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet 97.44 184
80 94.56 Brigham Young University PowerEdge 1955, 2.66 GHz, GigEthernet 132.30 106
81 94.19 Finance L BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet 98.60 182
82 93.38 Financial (V) xSeries x3550 Cluster Xeon quad core, 2.66 GHz, GigEthernet 93.24 213
83 93.38 Barcelona Supercomputing Center BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet 683.59 13
84 93.23 Cambridge University PowerEdge 1950, 3.0 GHz, Infinipath 195.97 60
85 93.18 Purdue University BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet 80.69 319
86 91.37 Joint Supercomputer Center Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband 370.86 33
87 90.01 Indiana University BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet 242.07 42
88 88.62 University of California - Santa Cruz PowerEdge 1950, 2.33 GHz, Cisco Infiniband 67.00 498
89 88.55 Jefferson Lab KOI Quad Core Opteron 1.9GHz, Infiniband 152.00 95
90 85.89 Intel Intel Cluster, Xeon 3.0 GHz dual core, Infiniband 125.40 129
91 85.26 BMW Sauber F1 Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics 112.64 165
92 83.94 Computational Research Laboratories, TATA SONS Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband 1404.53 4
93 79.85 Stanford University High Performance Computing Center PowerEdge 1950, 2.33 GHz, Infiniband 134.00 130
94 79.48 University of Reading BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet 239.55 51
95 76.34 Louisiana Optical Network Initiative PowerEdge 1950, 2.33 GHz, Infiniband 455.60 32
96 76.22 UT SimCenter at Chattanooga PowerEdge 1950, 3 GHz, GigEthernet 101.09 312
97 75.92 Government Agency Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband 1354.03 5
98 75.24 Ufa State Aviation Technical University BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband 123.42 181
99 73.86 NASA/Ames Research Center/NAS Altix 4700 1.6 GHz 163.45 111
100 73.46 Joint Supercomputer Center MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet 90.46 408

* Data source: http://www.top500.org