| Rank | System | Cores | Rmax (TFlop/s) | Rpeak (TFlop/s) | Power (kW) | 
    
    
    
        
            | 1 | BlueGene/L - eServer Blue Gene Solution,
                 IBM DOE/NNSA/LLNL
 United States
 | 131,072 | 280.60 | 367.00 | 1,433 | 
    
        
            | 2 | Red Storm - Sandia/ Cray Red Storm, Opteron 2.4 GHz dual core,
                 Cray/HPE NNSA/Sandia National Laboratories
 United States
 | 26,544 | 101.40 | 127.41 |  | 
    
        
            | 3 | BGW - eServer Blue Gene Solution,
                 IBM IBM Thomas J. Watson Research Center
 United States
 | 40,960 | 91.29 | 114.69 | 448 | 
    
        
            | 4 | ASC Purple - eServer pSeries p5 575 1.9 GHz,
                 IBM DOE/NNSA/LLNL
 United States
 | 12,208 | 75.76 | 92.78 | 1,992 | 
    
        
            | 5 | MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet,
                 IBM Barcelona Supercomputing Center
 Spain
 | 10,240 | 62.63 | 94.21 |  | 
    
        
            | 6 | Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband,
                 DELL NNSA/Sandia National Laboratories
 United States
 | 9,024 | 53.00 | 64.97 |  | 
    
        
            | 7 | Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics,
                 EVIDEN Commissariat a l'Energie Atomique (CEA)
 France
 | 9,968 | 52.84 | 63.80 |  | 
    
        
            | 8 | Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband,
                 HPE NASA/Ames Research Center/NAS
 United States
 | 10,160 | 51.87 | 60.96 |  | 
    
        
            | 9 | TSUBAME Grid Cluster - Sun Fire x4600 Cluster, Opteron 2.4/2.6 GHz and ClearSpeed Accelerator, Infiniband,
                 NEC/Sun CII, Institute of Science Tokyo
 Japan
 | 11,088 | 47.38 | 82.12 |  | 
    
        
            | 10 | Jaguar - Cray XT3, 2.6 GHz dual Core,
                 Cray/HPE DOE/SC/Oak Ridge National Laboratory
 United States
 | 10,424 | 43.48 | 54.20 |  | 
    
        
            | 11 | Jaws - PowerEdge 1955, 3.0 GHz, Infiniband,
                 DELL Maui High-Performance Computing Center (MHPCC)
 United States
 | 5,200 | 42.39 | 62.40 |  | 
    
        
            | 12 | Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband,
                 DELL Texas Advanced Computing Center/Univ. of Texas
 United States
 | 5,200 | 41.46 | 55.47 |  | 
    
        
            | 13 | JUBL - eServer Blue Gene Solution,
                 IBM Forschungszentrum Juelich (FZJ)
 Germany
 | 16,384 | 37.33 | 45.88 | 179 | 
    
        
            | 14 | Earth-Simulator,
                 NEC Japan Agency for Marine-Earth Science and Technology
 Japan
 | 5,120 | 35.86 | 40.96 | 3,200 | 
    
        
            | 15 | Cray XT3, 2.6 GHz dual Core,
                 Cray/HPE AWE
 United Kingdom
 | 7,812 | 32.50 | 40.62 |  | 
    
        
            | 16 | Cray XT4, 2.6 GHz,
                 Cray/HPE Cray Inc.
 United States
 | 6,696 | 27.98 | 34.82 |  | 
    
        
            | 17 | Stella - eServer Blue Gene Solution,
                 IBM ASTRON/University Groningen
 Netherlands
 | 12,288 | 27.45 | 34.41 | 134 | 
    
        
            | 18 | HLRB-II - Altix 4700 1.6 GHz,
                 HPE Leibniz Rechenzentrum
 Germany
 | 4,096 | 24.36 | 26.21 |  | 
    
        
            | 19 | Thunder - Intel Itanium2 Tiger4  1.4GHz - Quadrics,
                 California Digital Corporation Lawrence Livermore National Laboratory
 United States
 | 4,096 | 19.94 | 22.94 |  | 
    
        
            | 20 | Darwin - PowerEdge 1950, 3.0 GHz, Infinipath,
                 ClusterVision/Dell University of Cambridge
 United Kingdom
 | 2,340 | 18.27 | 28.08 |  | 
    
        
            | 21 | Blue Protein - eServer Blue Gene Solution,
                 IBM Computational Biology Research Center, AIST
 Japan
 | 8,192 | 18.20 | 22.94 | 89 | 
    
        
            | 22 | eServer Blue Gene Solution,
                 IBM Ecole Polytechnique Federale de Lausanne
 Switzerland
 | 8,192 | 18.20 | 22.94 | 89 | 
    
        
            | 23 | KEK/BG Sakura - eServer Blue Gene Solution,
                 IBM High Energy Accelerator Research Organization /KEK
 Japan
 | 8,192 | 18.20 | 22.94 | 89 | 
    
        
            | 24 | KEK/BG MOMO - eServer Blue Gene Solution,
                 IBM High Energy Accelerator Research Organization /KEK
 Japan
 | 8,192 | 18.20 | 22.94 | 89 | 
    
        
            | 25 | eServer Blue Gene Solution,
                 IBM IBM Rochester, On Demand Deep Computing Center
 United States
 | 8,192 | 18.20 | 22.94 | 89 | 
    
        
            | 26 | Sapphire - Cray XT3, 2.6 GHz,
                 Cray/HPE ERDC DSRC
 United States
 | 4,096 | 16.98 | 21.30 |  | 
    
        
            | 27 | Lincoln - PowerEdge 1955, 2.66 GHz, Infiniband,
                 DELL NCSA
 United States
 | 2,048 | 16.50 | 21.30 |  | 
    
        
            | 28 | MACH5 - Apple XServe, 2.0 GHz, Myrinet,
                 Self-made COLSA
 United States
 | 3,072 | 16.18 | 24.58 |  | 
    
        
            | 29 | Cray X1E (4GB),
                 Cray/HPE Korea Meteorological Administration
 South Korea
 | 1,020 | 15.71 | 18.44 |  | 
    
        
            | 30 | Humvee - Evolocity II (LS Supersystem),
                 Linux Networx US Army Research Laboratory (ARL)
 United States
 | 3,368 | 15.20 | 19.66 |  | 
    
        
            | 31 | Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet,
                 IBM Indiana University
 United States
 | 2,048 | 15.04 | 20.48 |  | 
    
        
            | 32 | Cray X1E (2GB),
                 Cray/HPE DOE/SC/Oak Ridge National Laboratory
 United States
 | 1,014 | 14.96 | 18.33 |  | 
    
        
            | 33 | Altix 4700 1.6 GHz,
                 HPE Japan Marine Science and Technology
 Japan
 | 2,560 | 14.59 | 16.38 |  | 
    
        
            | 34 | BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet,
                 IBM CeSViMa - BSC
 Spain
 | 2,408 | 14.00 | 21.19 |  | 
    
        
            | 35 | eServer pSeries p5 575 1.9 GHz,
                 IBM Naval Oceanographic Office - NAVO DSRC
 United States
 | 3,072 | 13.99 | 23.35 | 501 | 
    
        
            | 36 | eServer pSeries p5 575 1.9 GHz,
                 IBM NOAA R&D/ National Centers for Environmental Prediction
 United States
 | 2,368 | 13.99 | 18.00 | 386 | 
    
        
            | 37 | eServer pSeries p5 575 1.9 GHz,
                 IBM NOAA R&D/ National Centers for Environmental Prediction
 United States
 | 2,368 | 13.99 | 18.00 | 386 | 
    
        
            | 38 | eServer pSeries p5 575 1.9 GHz,
                 IBM ECMWF
 United Kingdom
 | 2,240 | 13.99 | 17.02 | 365 | 
    
        
            | 39 | eServer pSeries p5 575 1.9 GHz,
                 IBM ECMWF
 United Kingdom
 | 2,240 | 13.99 | 17.02 | 365 | 
    
        
            | 40 | ASCI Q - AlphaServer SC45, 1.25 GHz,
                 HPE Los Alamos National Laboratory
 United States
 | 8,192 | 13.88 | 20.48 |  | 
    
        
            | 41 | HPC - Pentium4 Xeon, EM64T, Opteron, Opteron dual core, Cluster, Myrinet,
                 Oracle University of Southern California
 United States
 | 5,328 | 13.81 | 21.31 |  | 
    
        
            | 42 | Intimidata - eServer Blue Gene Solution,
                 IBM UCSD/San Diego Supercomputer Center
 United States
 | 6,144 | 13.78 | 17.20 | 67 | 
    
        
            | 43 | eServer pSeries p5 575 1.5 GHz,
                 IBM HPCx
 United Kingdom
 | 2,560 | 12.94 | 15.36 |  | 
    
        
            | 44 | BCX - eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband,
                 IBM CINECA
 Italy
 | 5,120 | 12.61 | 26.62 |  | 
    
        
            | 45 | Marylou4 - PowerEdge 1955, 2.66 GHz, GigEthernet,
                 DELL Brigham Young University
 United States
 | 2,520 | 12.51 | 26.81 |  | 
    
        
            | 46 | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet,
                 IBM Geoscience (E)
 United States
 | 5,000 | 12.31 | 22.00 | 307 | 
    
        
            | 47 | System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE,
                 Self-made Virginia Tech
 United States
 | 2,200 | 12.25 | 20.24 |  | 
    
        
            | 48 | eServer pSeries p5 575 1.9 GHz,
                 IBM Naval Oceanographic Office - NAVO DSRC
 United States
 | 1,920 | 11.99 | 14.59 | 313 | 
    
        
            | 49 | Altix 4700 1.6 GHz,
                 HPE Technische Universitaet Dresden
 Germany
 | 2,048 | 11.91 | 13.11 |  | 
    
        
            | 50 | Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband,
                 HPE Scientific Supercomputing Center Karlsruhe
 Germany
 | 3,000 | 11.86 | 15.60 |  | 
    
        
            | 51 | SGI Altix 3700 Bx2, 1.6 GHz, NUMALink,
                 HPE Air Force Research Laboratory
 United States
 | 2,048 | 11.81 | 13.11 |  | 
    
        
            | 52 | SGI Altix 3700 Bx2, 1.6 GHz, NUMALink,
                 HPE Japan Atomic Energy Research Institute
 Japan
 | 2,048 | 11.81 | 13.11 |  | 
    
        
            | 53 | BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom),
                 IBM/ LLNL IBM Rochester
 United States
 | 8,192 | 11.68 | 16.38 |  | 
    
        
            | 54 | John Von Neumann - LNX Cluster, Xeon 3.6 GHz, Myrinet,
                 Linux Networx US Army Research Laboratory (ARL)
 United States
 | 2,048 | 10.65 | 14.75 |  | 
    
        
            | 55 | blueice - eServer pSeries p5 575 1.9 GHz,
                 IBM National Center for Atmospheric Research (NCAR)
 United States
 | 1,696 | 10.59 | 12.89 | 276 | 
    
        
            | 56 | PACS-CS - PACS-CS, low voltage Xeon 2.8 GHz,  3D Hyper-Crossbar,
                 Hitachi/Fujitsu Center for Computational Sciences, University of Tsukuba
 Japan
 | 2,560 | 10.35 | 14.34 | 545 | 
    
        
            | 57 | eServer pSeries 655 (1.7 GHz Power4+),
                 IBM China Meteorological Administration
 China
 | 3,200 | 10.31 | 21.76 |  | 
    
        
            | 58 | eServer pSeries 655 (1.7 GHz Power4+),
                 IBM Naval Oceanographic Office - NAVO DSRC
 United States
 | 2,944 | 10.31 | 20.02 |  | 
    
        
            | 59 | Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet,
                 DELL NCSA
 United States
 | 2,500 | 9.82 | 15.30 |  | 
    
        
            | 60 | Albert - Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics,
                 DALCO AG Switzerland BMW Sauber F1
 Switzerland
 | 1,024 | 9.60 | 12.29 |  | 
    
        
            | 61 | eServer Blue Gene Solution,
                 IBM EDF R&D
 France
 | 4,096 | 9.43 | 11.47 | 44 | 
    
        
            | 62 | eServer Blue Gene Solution,
                 IBM Harvard University
 United States
 | 4,096 | 9.43 | 11.47 | 44 | 
    
        
            | 63 | KEK/BG UME - eServer Blue Gene Solution,
                 IBM High Energy Accelerator Research Organization /KEK
 Japan
 | 4,096 | 9.43 | 11.47 | 44 | 
    
        
            | 64 | eServer Blue Gene Solution,
                 IBM IBM - Almaden Research Center
 United States
 | 4,096 | 9.43 | 11.47 | 44 | 
    
        
            | 65 | eServer Blue Gene Solution,
                 IBM IBM Research
 Switzerland
 | 4,096 | 9.43 | 11.47 | 44 | 
    
        
            | 66 | eServer Blue Gene Solution,
                 IBM/ LLNL IBM Thomas J. Watson Research Center
 United States
 | 4,096 | 9.43 | 11.47 | 44 | 
    
        
            | 67 | eServer pSeries 690 (1.9 GHz Power4+),
                 IBM ECMWF
 United Kingdom
 | 2,176 | 9.24 | 16.54 |  | 
    
        
            | 68 | DataStar - eServer pSeries 655/690 (1.5/1.7 GHz Power4+),
                 IBM UCSD/San Diego Supercomputer Center
 United States
 | 2,464 | 9.12 | 15.63 |  | 
    
        
            | 69 | SR11000-K1/80,
                 Hitachi Japan Meteorological Agency
 Japan
 | 80 | 9.04 | 10.75 |  | 
    
        
            | 70 | SR11000-K1/80,
                 Hitachi Japan Meteorological Agency
 Japan
 | 80 | 9.04 | 10.75 |  | 
    
        
            | 71 | SGI Altix 3700 Bx2, 1.6 GHz, NUMALink,
                 HPE National Computational Infrastructure (NCI Australia)
 Australia
 | 1,536 | 8.97 | 9.83 |  | 
    
        
            | 72 | SX8/576M72,
                 NEC HWW/Universitaet Stuttgart
 Germany
 | 576 | 8.92 | 9.22 |  | 
    
        
            | 73 | RIKEN Super Combined Cluster,
                 Fujitsu Institute of Physical and Chemical Research (RIKEN)
 Japan
 | 2,048 | 8.73 | 12.53 |  | 
    
        
            | 74 | Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics,
                 HPE DOE/SC/Pacific Northwest National Laboratory
 United States
 | 1,936 | 8.63 | 11.62 |  | 
    
        
            | 75 | BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband,
                 IBM Eli Lilly and Company
 United States
 | 1,072 | 8.56 | 12.86 | 102 | 
    
        
            | 76 | Endeavor - Intel Cluster, Xeon 3.0 GHz dual core, Infiniband,
                 Intel Intel
 United States
 | 1,024 | 8.56 | 12.29 |  | 
    
        
            | 77 | BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet,
                 IBM Georgia Institute of Technology
 United States
 | 3,920 | 8.51 | 15.68 | 220 | 
    
        
            | 78 | CITerra - PowerEdge 1850, 3.2 GHz, Myrinet,
                 DELL Caltech
 United States
 | 2,048 | 8.41 | 13.11 |  | 
    
        
            | 79 | eServer pSeries p5 575 1.9 GHz,
                 IBM NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
 United States
 | 1,328 | 8.29 | 10.09 | 216 | 
    
        
            | 80 | Cluster Platform 4000 BL465c Opteron Dual Core 2.6 GHz Infiniband,
                 HPE CSC (Center for Scientific Computing)
 Finland
 | 2,048 | 8.20 | 10.65 |  | 
    
        
            | 81 | Zeus - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband,
                 Cray/HPE Lawrence Livermore National Laboratory
 United States
 | 2,304 | 8.18 | 11.06 |  | 
    
        
            | 82 | Dawning 4000A, Opteron 2.2 GHz, Myrinet,
                 Dawning Shanghai Supercomputer Center
 China
 | 2,560 | 8.06 | 11.26 |  | 
    
        
            | 83 | Lightning - Opteron 2 GHz, Myrinet,
                 Linux Networx Los Alamos National Laboratory
 United States
 | 2,816 | 8.05 | 11.26 |  | 
    
        
            | 84 | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband,
                 HPE CINECA / SCS - SuperComputing Solution
 Italy
 | 1,024 | 7.99 | 12.29 |  | 
    
        
            | 85 | BigBen - Cray XT3, 2.4 GHz,
                 Cray/HPE Pittsburgh Supercomputing Center
 United States
 | 2,060 | 7.94 | 9.89 |  | 
    
        
            | 86 | Cluster Platform 4000 DL145 Opteron 2.8 GHz Infiniband,
                 HPE Air Force Research Laboratory
 United States
 | 2,048 | 7.92 | 11.47 |  | 
    
        
            | 87 | U2 - PowerEdge SC1425 3.2 GHz, Myrinet,
                 DELL University at Buffalo, SUNY, Center for Computational Res.
 United States
 | 1,536 | 7.74 | 9.83 |  | 
    
        
            | 88 | MCR Linux Cluster Xeon 2.4 GHz - Quadrics,
                 Linux Networx/Quadrics Lawrence Livermore National Laboratory
 United States
 | 2,304 | 7.63 | 11.06 |  | 
    
        
            | 89 | Cluster Platform 3000 DL380 Xeon 51xx 3.0 Ghz, Infiniband,
                 HPE Statoil
 Norway
 | 1,024 | 7.50 | 12.29 |  | 
    
        
            | 90 | ASCI White, SP Power3 375 MHz,
                 IBM Lawrence Livermore National Laboratory
 United States
 | 8,192 | 7.30 | 12.29 |  | 
    
        
            | 91 | Seaborg - SP Power3 375 MHz 16 way,
                 IBM DOE/SC/LBNL/NERSC
 United States
 | 6,656 | 7.30 | 9.98 |  | 
    
        
            | 92 | TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet,
                 IBM NCSA
 United States
 | 1,776 | 7.21 | 10.26 |  | 
    
        
            | 93 | eServer Opteron 2.2 GHz. Myrinet,
                 IBM US Army Research Laboratory (ARL)
 United States
 | 2,320 | 7.18 | 10.21 |  | 
    
        
            | 94 | Cray XT3, 2.6 GHz,
                 Cray/HPE Swiss Scientific Computing Center (CSCS)
 Switzerland
 | 1,664 | 7.18 | 8.65 |  | 
    
        
            | 95 | Kaon - Opteron 2.0 GHz, Infiniband,
                 Self-made Fermi National Accelerator Laboratory
 United States
 | 2,400 | 6.89 | 9.60 |  | 
    
        
            | 96 | Mp - PowerEdge SC1425 3.6 GHz- Infiniband,
                 DELL University of Sherbrooke
 Canada
 | 1,152 | 6.89 | 8.29 |  | 
    
        
            | 97 | PRIMEPOWER HPC2500 (2.08 GHz),
                 Fujitsu Nagoya University
 Japan
 | 1,664 | 6.86 | 13.84 |  | 
    
        
            | 98 | Coyote A - Opteron 2.6 GHz, Infiniband,
                 Linux Networx Los Alamos National Laboratory
 United States
 | 1,620 | 6.68 | 8.42 |  | 
    
        
            | 99 | MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet,
                 IBM Joint Supercomputer Center
 Russia
 | 1,148 | 6.65 | 10.10 |  | 
    
        
            | 100 | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet,
                 IBM Merck and Company
 United States
 | 2,688 | 6.62 | 11.83 | 165 |