November 2007        1 to 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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Green500 Rank MFLOPS/W Site* Computer* Total Power (kW) TOP500 Rank*
1357.23Science and Technology Facilities Council - Daresbury LaboratoryBlue Gene/P Solution31.10121
2352.25Max-Planck-Gesellschaft MPI/IPPBlue Gene/P Solution62.2040
3346.95IBM - RochesterBlue Gene/P Solution124.4024
4336.21Forschungszentrum Juelich (FZJ)Blue Gene/P Solution497.602
5310.93Oak Ridge National LaboratoryBlue Gene/P Solution70.4741
6210.56Harvard UniversityeServer Blue Gene Solution44.80170
7210.56High Energy Accelerator Research Organization /KEKeServer Blue Gene Solution44.80171
8210.56IBM - Almaden Research CentereServer Blue Gene Solution44.80172
9210.56IBM ResearcheServer Blue Gene Solution44.80173
10210.56IBM Thomas J. Watson Research CentereServer Blue Gene Solution44.80174
11210.56Renaissance Computing Institute (RENCI)eServer Blue Gene Solution44.80175
12210.56University of CanterburyeServer Blue Gene Solution44.80176
13208.31Forschungszentrum Juelich (FZJ)eServer Blue Gene Solution179.2028
14208.31Computational Biology Research Center, AISTeServer Blue Gene Solution89.6052
15208.31EDF R&D;eServer Blue Gene Solution89.6053
16208.31Ecole Polytechnique Federale de LausanneeServer Blue Gene Solution89.6054
17208.31High Energy Accelerator Research Organization /KEKeServer Blue Gene Solution89.6055
18208.31High Energy Accelerator Research Organization /KEKeServer Blue Gene Solution89.6056
19208.31IBM Rochester, On Demand Deep Computing CentereServer Blue Gene Solution89.6057
20208.31Indian Institute of ScienceeServer Blue Gene Solution89.6058
21205.27DOE/NNSA/LLNLeServer Blue Gene Solution2329.601
22205.06UCSD/San Diego Supercomputer CentereServer Blue Gene Solution67.2093
23204.24ASTRON/University GroningeneServer Blue Gene Solution134.4037
24203.77Stony Brook/BNL, New York Center for Computational ScienceseServer Blue Gene Solution403.2010
25203.77Rensselaer Polytechnic Institute, Computational Center for Nanotechnology InnovationseServer Blue Gene Solution358.4012
26203.77IBM Thomas J. Watson Research CentereServer Blue Gene Solution448.008
27157.24Argonne National Laboratory - CNMTeamHPC Xeon 5355 Cluster, Quad Xeon 2.66GHz, Infiniband63.36150
28155.27Maui High-Performance Computing Center (MHPCC)PowerEdge 1955, 3.0 GHz, Infiniband273.0025
29155.13NCSAPowerEdge 1955, 2.66 GHz, Infiniband107.5266
30152.21Texas Advanced Computing Center/Univ. of TexasPowerEdge 1955, 2.66 GHz, Infiniband307.0222
31150.45Near East UniversityBladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband51.44308
32150.45Online Gaming (D)BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, Windows51.44309
33150.45QualcommBladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet51.44310
34148.11SGI/New Mexico Computing Applications Center (NMCAC)SGI Altix ICE 8200, Xeon quad core 3.0 GHz856.803
35142.21Scientific Supercomputing Center KarlsruheTranstec Xeon Cluster88.88104
36140.23Louisiana State UniversityPowerEdge 1955, 2.66 GHz, Infiniband75.60133
37137.99University of MinnesotaSGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband125.4462
38131.73University of North CarolinaPowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband218.4036
39130.95Arizona State University High Performance Computing CenterPowerEdge 1955, Quad Core 2.66 GHz, Infiniband92.40110
40129.60National Taiwan UniversityBladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, Infiniband, Windows47.77239
41127.82Siberian National UniversityBladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband72.66183
42124.37NCSAPowerEdge 1955, 2.33 GHz, Infiniband504.0014
43118.26Michigan State UniversitySGI Altix XE 1300 Cluster Solutions, 2.33GHZ, Infiniband62.72324
44114.51Imperial College ICT HPCPowerEdge 1955, 2.66 GHz, Gigabit/10G Infiniband88.20148
45109.91NNSA/Sandia National LaboratoriesPowerEdge 1950, 3 GHz, Voltaire Infiniband93.80143
46109.28Microsoft Windows HPC GroupPowerEdge 1955, 1.86 GHz, Cisco Infiniband, Windows OS107.52116
47107.61Fraunhofer ITWMPowerEdge 1950, 2.33 GHz, Infiniband75.62244
48106.37SGISGI Altix ICE 8200, 3.0 GHz182.0050
49106.37Naval Research Laboratory (NRL)SGI Altix ICE 8200, 3.0 GHz136.5082
50105.23Manufacturing Company (I)SGI Altix ICE 8200, 3.0 GHz91.00167
51104.25Financial Institution (U1)BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet76.10270
52104.25Financial Institution (U1)BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet75.63301
53104.25Financial Institution (U1)BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet75.63302
54104.25Digital Media Company (G)BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet69.60339
55104.25Digital Media Company (G)BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet69.60340
56104.25Financial Institution (P)BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet69.60341
57104.25Banking BxSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet68.67355
58104.25Banking BxSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet68.67356
59104.25Semiconductor Company (C)xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet68.67357
60104.25Semiconductor Company (C)xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet68.67358
61104.25Bear StearnsBladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet68.21363
62104.25Bear StearnsBladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet68.21364
63104.25MTU Aero EnginesxSeries x3550 Cluster Xeon quad core 2.33 GHz, Myrinet59.39453
64104.25ResearchxSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet58.93458
65104.25ResearchxSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet58.46480
66103.32Financial DCCoD (A)xSeries x3550 Cluster Xeon, 3 GHz, Infiniband79.24240
67103.32Financial DCCoD (A)xSeries x3550 Cluster Xeon, 3 GHz, Infiniband78.86243
68102.64ResearchxSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet90.48185
69100.12Tomsk State UniversityXeon Cluster, QLogic InfiniPath89.99199
7098.95Industrial CompanyBladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband64.08430
7198.95University of WarwickBladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband91.54195
7298.95University of KentuckyBladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband129.69103
7395.31Financial Institution (P)BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet97.44184
7494.56Brigham Young UniversityPowerEdge 1955, 2.66 GHz, GigEthernet132.30106
7594.19Finance LBladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet98.60182
7693.90Idaho National LaboratorySGI Altix ICE 8200, 2.66 GHz182.0064
7793.38Financial (V)xSeries x3550 Cluster Xeon quad core, 2.66 GHz, GigEthernet93.24213
7893.38Barcelona Supercomputing CenterBladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet683.5913
7993.23Cambridge UniversityPowerEdge 1950, 3.0 GHz, Infinipath195.9760
8093.18Purdue UniversityBladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet80.69319
8191.37Joint Supercomputer CenterCluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband370.8633
8290.01Indiana UniversityBladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet242.0742
8389.34NASA/Ames Research Center/NASSGI Altix ICE 8200, 2.66 GHz364.0034
8488.62University of California - Santa CruzPowerEdge 1950, 2.33 GHz, Cisco Infiniband67.00498
8588.55Jefferson LabKOI Quad Core Opteron 1.9GHz, Infiniband152.0095
8685.89IntelIntel Cluster, Xeon 3.0 GHz dual core, Infiniband125.40129
8785.59Pacific Northwest National Laboratoryspray cooled xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet108.50186
8885.26BMW Sauber F1Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics112.64165
8984.20Stanford University/Biomedical Computational FacilityPowerEdge 1950, 2.33 GHz, Infiniband184.9273
9083.94Computational Research Laboratories, TATA SONSCluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband1404.534
9179.85Stanford University High Performance Computing CenterPowerEdge 1950, 2.33 GHz, Infiniband134.00130
9279.48University of ReadingBladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet239.5551
9378.32Tokyo University - Institute for Cosmic Ray ResearchSGI Altix ICE 8200, quad core 2.33 GHz91.00360
9476.34Louisiana Optical Network InitiativePowerEdge 1950, 2.33 GHz, Infiniband455.6032
9576.22UT SimCenter at ChattanoogaPowerEdge 1950, 3 GHz, GigEthernet101.09312
9675.92Government AgencyCluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband1354.035
9775.24Ufa State Aviation Technical UniversityBladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband123.42181
9873.46Joint Supercomputer CenterMVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet90.46408
9972.81Geodis Wilson OyCluster Platform 3000 BL460c, Xeon 53xx 3.0GHz, GigEthernet118.36223
10072.81Geodis Wilson OyCluster Platform 3000 BL460c, Xeon 53xx 3.0GHz, GigEthernet118.36224
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* Data source: http://www.top500.org