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 | 
            
                Earth-Simulator,
                 NEC
                 
                
                    Japan Agency for Marine-Earth Science and Technology Japan
                
             | 
            
                5,120 | 
                35,860.00 | 
                40,960.00 | 
                3,200 | 
            
        
    
        
            | 2 | 
            
                
                    Thunder - Intel Itanium2 Tiger4  1.4GHz - Quadrics,
                 California Digital Corporation
                 
                
                    Lawrence Livermore National Laboratory United States
                
             | 
            
                4,096 | 
                19,940.00 | 
                22,938.00 | 
                 | 
            
        
    
        
            | 3 | 
            
                ASCI Q - AlphaServer SC45, 1.25 GHz,
                 HPE
                 
                
                    Los Alamos National Laboratory United States
                
             | 
            
                8,192 | 
                13,880.00 | 
                20,480.00 | 
                 | 
            
        
    
        
            | 4 | 
            
                BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom),
                 IBM/ LLNL
                 
                
                    IBM Rochester United States
                
             | 
            
                8,192 | 
                11,680.00 | 
                16,384.00 | 
                 | 
            
        
    
        
            | 5 | 
            
                
                    Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet,
                 DELL
                 
                
                    NCSA United States
                
             | 
            
                2,500 | 
                9,819.00 | 
                15,300.00 | 
                 | 
            
        
    
        
            | 6 | 
            
                eServer pSeries 690 (1.9 GHz Power4+),
                 IBM
                 
                
                    ECMWF United Kingdom
                
             | 
            
                2,112 | 
                8,955.00 | 
                16,051.00 | 
                 | 
            
        
    
        
            | 7 | 
            
                RIKEN Super Combined Cluster,
                 Fujitsu
                 
                
                    Institute of Physical and Chemical Research (RIKEN) Japan
                
             | 
            
                2,048 | 
                8,728.00 | 
                12,534.00 | 
                 | 
            
        
    
        
            | 8 | 
            
                BlueGene/L DD2 Prototype (0.7 GHz PowerPC 440),
                 IBM/ LLNL
                 
                
                    IBM Thomas J. Watson Research Center United States
                
             | 
            
                4,096 | 
                8,655.00 | 
                11,469.00 | 
                 | 
            
        
    
        
            | 9 | 
            
                
                    Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics,
                 HPE
                 
                
                    DOE/SC/Pacific Northwest National Laboratory United States
                
             | 
            
                1,936 | 
                8,633.00 | 
                11,616.00 | 
                 | 
            
        
    
        
            | 10 | 
            
                Dawning 4000A, Opteron 2.2 GHz, Myrinet,
                 Dawning
                 
                
                    Shanghai Supercomputer Center China
                
             | 
            
                2,560 | 
                8,061.00 | 
                11,264.00 | 
                 |