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TOP500 List - June 2019

R_max and R_peak values are in PFlop/s. For more details about other fields, check the TOP500 description.

R_peak 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	System	Cores	Rmax (PFlop/s)	Rpeak (PFlop/s)	Power (kW)
1	Summit - IBM Power System AC922, IBM POWER9 22C 3.07GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband, IBM DOE/SC/Oak Ridge National Laboratory United States	2,414,592	148.60	200.79	10,096
2	Sierra - IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband, IBM / NVIDIA / Mellanox DOE/NNSA/LLNL United States	1,572,480	94.64	125.71	7,438
3	Sunway TaihuLight - Sunway MPP, Sunway SW26010 260C 1.45GHz, Sunway, NRCPC National Supercomputing Center in Wuxi China	10,649,600	93.01	125.44	15,371
4	Tianhe-2A - TH-IVB-FEP Cluster, Intel Xeon E5-2692v2 12C 2.2GHz, TH Express-2, Matrix-2000, NUDT National Super Computer Center in Guangzhou China	4,981,760	61.44	100.68	18,482
5	Frontera - Dell C6420, Xeon Platinum 8280 28C 2.7GHz, Mellanox InfiniBand HDR, DELL EMC Texas Advanced Computing Center/Univ. of Texas United States	448,448	23.52	38.75
6	Piz Daint - Cray XC50, Xeon E5-2690v3 12C 2.6GHz, Aries interconnect , NVIDIA Tesla P100, Cray/HPE Swiss National Supercomputing Centre (CSCS) Switzerland	387,872	21.23	27.15	2,384
7	Trinity - Cray XC40, Xeon E5-2698v3 16C 2.3GHz, Intel Xeon Phi 7250 68C 1.4GHz, Aries interconnect, Cray/HPE DOE/NNSA/LANL/SNL United States	979,072	20.16	41.46	7,578
8	AI Bridging Cloud Infrastructure (ABCI) - PRIMERGY CX2570 M4, Xeon Gold 6148 20C 2.4GHz, NVIDIA Tesla V100 SXM2, Infiniband EDR, Fujitsu National Institute of Advanced Industrial Science and Technology (AIST) Japan	391,680	19.88	32.58	1,649
9	SuperMUC-NG - ThinkSystem SD650, Xeon Platinum 8174 24C 3.1GHz, Intel Omni-Path, Lenovo Leibniz Rechenzentrum Germany	305,856	19.48	26.87
10	Lassen - IBM Power System AC922, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100, IBM / NVIDIA / Mellanox DOE/NNSA/LLNL United States	288,288	18.20	23.05
11	PANGEA III - IBM Power System AC922, IBM POWER9 18C 3.45GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Volta GV100, IBM Total Exploration Production France	291,024	17.86	25.03	1,367
12	Titan - Cray XK7, Opteron 6274 16C 2.200GHz, Cray Gemini interconnect, NVIDIA K20x, Cray/HPE DOE/SC/Oak Ridge National Laboratory United States	560,640	17.59	27.11	8,209
13	Sequoia - BlueGene/Q, Power BQC 16C 1.60 GHz, Custom, IBM DOE/NNSA/LLNL United States	1,572,864	17.17	20.13	7,890
14	Cori - Cray XC40, Intel Xeon Phi 7250 68C 1.4GHz, Aries interconnect , Cray/HPE DOE/SC/LBNL/NERSC United States	622,336	14.01	27.88	3,939
15	Nurion - Cray CS500, Intel Xeon Phi 7250 68C 1.4GHz, Intel Omni-Path, Cray/HPE Korea Institute of Science and Technology Information South Korea	570,020	13.93	25.71
16	Oakforest-PACS - PRIMERGY CX1640 M1, Intel Xeon Phi 7250 68C 1.4GHz, Intel Omni-Path, Fujitsu Joint Center for Advanced High Performance Computing Japan	556,104	13.55	24.91	2,719
17	HPC4 - Proliant DL380 Gen10, Xeon Platinum 8160 24C 2.1GHz, Mellanox InfiniBand EDR, NVIDIA Tesla P100, HPE Eni S.p.A. Italy	253,600	12.21	18.62	1,320
18	Tera-1000-2 - Bull Sequana X1000, Intel Xeon Phi 7250 68C 1.4GHz, Bull BXI 1.2, EVIDEN Commissariat a l'Energie Atomique (CEA) France	561,408	11.97	23.40	3,178
19	Stampede2 - PowerEdge C6320P/C6420, Intel Xeon Phi 7250 68C 1.4GHz/Platinum 8160, Intel Omni-Path, DELL EMC Texas Advanced Computing Center/Univ. of Texas United States	367,024	10.68	18.31
20	K computer, SPARC64 VIIIfx 2.0GHz, Tofu interconnect, Fujitsu RIKEN Advanced Institute for Computational Science (AICS) Japan	705,024	10.51	11.28	12,660
21	Marconi Intel Xeon Phi - CINECA Cluster, Lenovo SD530/S720AP, Intel Xeon Phi 7250 68C 1.4GHz/Platinum 8160, Intel Omni-Path, Lenovo CINECA Italy	348,000	10.38	18.82
22	DGX SuperPOD - NVIDIA DGX-2H, Xeon Platinum 8174 24C 3.1GHz, NVIDIA Tesla V100, Mellanox InfiniBand EDR, Nvidia NVIDIA Corporation United States	127,488	9.44	11.21
23	Taiwania 2 - QCT QuantaGrid D52G-4U/LC, Xeon Gold 6154 18C 3GHz, Mellanox InfiniBand EDR, NVIDIA Tesla V100 SXM2, Quanta Computer / Taiwan Fixed Network / ASUS Cloud National Center for High Performance Computing Taiwan	170,352	9.00	15.21	798
24	Mira - BlueGene/Q, Power BQC 16C 1.60GHz, Custom, IBM DOE/SC/Argonne National Laboratory United States	786,432	8.59	10.07	3,945
25	TSUBAME3.0 - SGI ICE XA, IP139-SXM2, Xeon E5-2680v4 14C 2.4GHz, Intel Omni-Path, NVIDIA Tesla P100 SXM2, HPE GSIC Center, Tokyo Institute of Technology Japan	135,828	8.12	12.13	792
26	PupMaya - Apollo 2000, Xeon Gold 6148 20C 2.4GHz, Infiniband EDR, HPE Government United States	169,920	7.48	12.90
27	Cray XC40, Xeon E5-2695v4 18C 2.1GHz, Aries interconnect , Cray/HPE United Kingdom Meteorological Office United Kingdom	241,920	7.04	8.13
28	Theta - Cray XC40, Intel Xeon Phi 7230 64C 1.3GHz, Aries interconnect , Cray/HPE DOE/SC/Argonne National Laboratory United States	280,320	6.92	11.66
29	MareNostrum - Lenovo SD530, Xeon Platinum 8160 24C 2.1GHz, Intel Omni-Path, Lenovo Barcelona Supercomputing Center Spain	153,216	6.47	10.30	1,632
30	JUWELS Module 1 - Bull Sequana X1000, Xeon Platinum 8168 24C 2.7GHz, Mellanox EDR InfiniBand/ParTec ParaStation ClusterSuite, EVIDEN Forschungszentrum Juelich (FZJ) Germany	114,480	6.18	9.89	1,361
31	Pleiades - SGI ICE X, Intel Xeon E5-2670/E5-2680v2/E5-2680v3/E5-2680v4 2.6/2.8/2.5/2.4 GHz, Infiniband FDR, HPE NASA/Ames Research Center/NAS United States	241,108	5.95	7.11	4,407
32	Cray XC50, Xeon Platinum 8160 24C 2.1GHz, Aries interconnect , Cray Inc./Hitachi Japan Meteorological Agency Japan	135,792	5.73	9.13	1,354
33	Cray XC50, Xeon Platinum 8160 24C 2.1GHz, Aries interconnect , Cray Inc./Hitachi Japan Meteorological Agency Japan	135,792	5.73	9.13	1,354
34	Hazel Hen - Cray XC40, Xeon E5-2680v3 12C 2.5GHz, Aries interconnect , Cray/HPE HLRS - Höchstleistungsrechenzentrum Stuttgart Germany	185,088	5.64	7.40	3,615
35	COBRA - Intel Compute Module HNS2600BP, Xeon Gold 6148 20C 2.4GHz, Intel Omni-Path, Intel Max-Planck-Gesellschaft MPI/IPP Germany	127,520	5.61	9.79	1,635
36	Shaheen II - Cray XC40, Xeon E5-2698v3 16C 2.3GHz, Aries interconnect , Cray/HPE King Abdullah University of Science and Technology Saudi Arabia	196,608	5.54	7.24	2,834
37	Electra - HPE SGI 8600/SGI ICE-X, E5-2680V4/ Xeon Gold 6148 20C 2.4GHz, Infiniband EDR/FDR-56 IB, HPE NASA/Ames Research Center/NAS United States	124,416	5.44	8.32	1,686
38	Pangea - SGI ICE X, Xeon Xeon E5-2670/ E5-2680v3 12C 2.5GHz, Infiniband FDR, HPE Total Exploration Production France	220,800	5.28	6.71	4,150
39	Eagle - HPE SGI 8600, Xeon Gold 6154 18C 3GHz, EDR Infiniband/ 8D Hypercube, HPE National Renewable Energy Laboratory United States	75,600	4.85	7.26
40	Cheyenne - SGI ICE XA, Xeon E5-2697v4 18C 2.3GHz, Infiniband EDR, HPE National Center for Atmospheric Research (NCAR) United States	144,900	4.79	5.33	1,727
41	ITO - Subsystem A - Fujitsu PRIMERGY CX2550/CX2560 M4, Xeon Gold 6154 18C 3GHz, Mellanox InfiniBand EDR, Fujitsu Research Institute for Information Technology, Kyushu University Japan	72,000	4.54	6.91
42	Jean Zay - HPE SGI 8600, Xeon Gold 6248 20C 2.5GHz, NVIDIA Tesla V100 SXM2, Intel Omni-Path, HPE CNRS/IDRIS-GENCI France	93,960	4.48	7.35
43	Advanced Computing System(PreE) - Sugon TC8600, Hygon Dhyana 32C 2GHz, Deep Computing Processor, 200Gb 6D-Torus, Sugon Sugon China	163,840	4.33	6.13	380
44	Vulcan - BlueGene/Q, Power BQC 16C 1.600GHz, Custom Interconnect, IBM DOE/NNSA/LLNL United States	393,216	4.29	5.03	1,972
45	Oakbridge-CX - Fujitsu PRIMERGY CX2550/CX2560 M5, Xeon Platinum 8280 28C 2.7GHz, Intel Omni-Path, Fujitsu Information Technology Center, The University of Tokyo Japan	76,608	4.29	6.62	845
46	Apollo 6500 XL270d Gen10, Xeon Gold 6140 18C 2.3GHz, Mellanox InfiniBand EDR, NVIDIA Tesla V100 SXM2, HPE Research Institute Japan	70,416	4.13	5.78
47	JOLIOT-CURIE SKL - Bull Sequana X1000, Xeon Platinum 8168 24C 2.7GHz, Mellanox EDR, EVIDEN CEA/TGCC-GENCI France	79,488	4.07	6.64	917
48	Abel - Cray XC30, Xeon E5-2698v3 16C 2.3GHz, Aries interconnect , Cray/HPE Petroleum Geo-Services United States	145,920	4.04	5.37	1,800
49	Cray XC40, Xeon E5-2695v4 18C 2.1GHz, Aries interconnect , Cray/HPE ECMWF United Kingdom	126,468	3.94	4.25	1,897
50	Cray XC40, Xeon E5-2695v4 18C 2.1GHz, Aries interconnect , Cray/HPE ECMWF United Kingdom	126,468	3.94	4.25	1,897
51	TX-GAIA (Green AI Accelerator) - Apollo 2000, Xeon Gold 6248 20C 2.5GHz, NVIDIA Tesla V100, Intel Omni-Path, HPE MIT Lincoln Laboratory Supercomputing Center United States	86,800	3.90	6.86
52	JURECA - T-Platforms V-Class/Dell C6320P, E5-2680v3/Phi 7250-F, EDR/Intel Omni-Path/ParTec ParaStation, Tesla K80/K40, T-Platforms, Intel, Dell Forschungszentrum Juelich (FZJ) Germany	155,150	3.78	6.56	1,345
53	Pratyush - Cray XC40, Xeon E5-2695v4 18C 2.1GHz, Aries interconnect , Cray/HPE Indian Institute of Tropical Meteorology India	119,232	3.76	4.01	1,353
54	Apollo 6500 XL270d Gen10, Xeon Gold 6150/6152 18C 2.7GHz, Mellanox InfiniBand EDR, NVIDIA Tesla V100 SXM2, HPE SAKURA Internet Inc. / Prunus Solutions Inc. Japan	65,208	3.71	5.37
55	Joule 2.0 - HP ProLiant XL170r/XL190r/DL360 Gen10, Xeon Gold 6148 20C 2.4GHz, Intel Omni-Path, NVIDIA Tesla P100, HPE DOE/National Energy Technology Laboratory United States	86,400	3.61	5.75
56	Cray CS-Storm, Intel Xeon E5-2660v2 10C 2.2GHz, Infiniband FDR, Nvidia K40, Cray/HPE Government United States	72,800	3.58	6.13	1,499
57	Cray CS-Storm, Intel Xeon E5-2660v2 10C 2.2GHz, Infiniband FDR, Nvidia K40, Cray/HPE Government United States	72,800	3.58	6.13	1,499
58	ONYX - Cray XC40, Intel Xeon Phi 7230 64C 1.3GHz/Xeon E5-2699v4, Aries interconnect , Cray/HPE ERDC DSRC United States	160,304	3.41	5.87
59	Topaz - SGI ICE X, Xeon E5-2699v3 18C 2.3GHz, Infiniband FDR, HPE ERDC DSRC United States	124,200	3.32	4.57	5,175
60	NVIDIA DGX-1/Relion 2904GT, Xeon E5-2698v4 20C 2.2GHz/ E5-2650v4, Infiniband EDR, NVIDIA Tesla P100/Quadro GP100, Self-made Facebook United States	60,512	3.31	4.90	350
61	DGX Saturn V - NVIDIA DGX-1, Xeon E5-2698v4 20C 2.2GHz, Infiniband EDR, NVIDIA Tesla P100, Nvidia NVIDIA Corporation United States	60,512	3.31	4.90	350
62	Orion - PowerEdge C6420, Xeon Gold 6148 20C 2.4GHz, Infiniband HDR, DELL EMC Mississippi State University United States	67,240	3.29	4.73
63	Damson - Bull Sequana X1000, Xeon E5-2697v4 18C 2.3GHz, Infiniband EDR, EVIDEN AWE United Kingdom	113,832	3.24	3.79	1,134
64	Mustang - HPE SGI 8600, Xeon Platinum 8168 24C 2.7GHz, Intel Omni-Path, HPE Air Force Research Laboratory United States	55,296	3.22	4.78
65	HPC2 - iDataPlex DX360M4, Intel Xeon E5-2680v2 10C 2.8GHz, Infiniband FDR, NVIDIA K20x, IBM Eni S.p.A. Italy	72,000	3.19	4.61	1,227
66	SORA-MA - Fujitsu PRIMEHPC FX100, SPARC64 XIfx 32C 1.98GHz, Tofu interconnect 2, Fujitsu Japan Aerospace eXploration Agency Japan	110,160	3.16	3.48	1,652
67	Cray XC30, Intel Xeon E5-2697v2 12C 2.7GHz, Aries interconnect , Cray/HPE Government United States	225,984	3.14	4.88	6,328
68	Thunder - SGI ICE X, Xeon E5-2699v3/E5-2697 v3, Infiniband FDR, NVIDIA Tesla K40, Intel Xeon Phi 7120P, HPE Air Force Research Laboratory United States	152,692	3.13	5.61	4,820
69	Niagara - ThinkSystem SD530, Xeon Gold 6148 20C 2.4GHz, Infiniband EDR, Lenovo SciNet/University of Toronto/Compute Canada Canada	60,000	3.07	4.61	676
70	Camphor 2 - Cray XC40, Intel Xeon Phi 7250 68C 1.4GHz, Aries interconnect , Cray/HPE Academic Center for Computing and Media Studies (ACCMS), Kyoto University Japan	122,400	3.06	5.48	748
71	Circe - NVIDIA DGX-2H POD, Xeon Platinum 8174 24C 3.1GHz, Mellanox InfiniBand EDR, NVIDIA Tesla V100 SXM2, Nvidia NVIDIA Corporation United States	47,808	3.06	4.24
72	Jean Zay - HPE SGI 8600, Xeon Gold 6248 20C 2.5GHz, Intel Omni-Path, HPE CNRS/IDRIS-GENCI France	61,120	3.05	4.87
73	Mistral - bullx DLC 720, Xeon E5-2680v3 12C 2.5GHz/E5-2695V4 18C 2.1Ghz, Infiniband FDR, EVIDEN DKRZ - Deutsches Klimarechenzentrum Germany	99,072	3.01	3.96	1,116
74	Tetralith - Intel H2204XXLRE, Xeon Gold 6130 16C 2.1GHz, Intel Omni-Path, ClusterVision / Hammer National Supercomputer Centre (NSC) Sweden	64,512	2.97	4.34
75	Fujitsu PRIMEHPC FX100, SPARC64 XIfx 32C 2.2GHz, Tofu interconnect 2, Fujitsu Information Technology Center, Nagoya University Japan	92,160	2.91	3.24	1,382
76	SuperMUC - iDataPlex DX360M4, Xeon E5-2680 8C 2.70GHz, Infiniband FDR, IBM/Lenovo Leibniz Rechenzentrum Germany	147,456	2.90	3.19	3,423
77	SuperMUC Phase 2 - NeXtScale nx360M5, Xeon E5-2697v3 14C 2.6GHz, Infiniband FDR14, Lenovo/IBM Leibniz Rechenzentrum Germany	86,016	2.81	3.58	1,481
78	Cray XC40, Xeon E5-2695v4 18C 2.1GHz, Aries interconnect , Cray/HPE United Kingdom Meteorological Office United Kingdom	89,856	2.80	3.02	1,348
79	Cray XC40, Xeon E5-2695v4 18C 2.1GHz, Aries interconnect , Cray/HPE United Kingdom Meteorological Office United Kingdom	89,856	2.80	3.02	1,348
80	JFRS-1 - Cray XC50, Xeon Gold 6148 20C 2.4GHz, Aries interconnect , Cray/HPE Rokkasho Fusion Institute, National Institutes for Quantum and Radiological Science and Technology Japan	54,560	2.79	4.19	698
81	TSUBAME 2.5 - Cluster Platform SL390s G7, Xeon X5670 6C 2.93GHz, Infiniband QDR, NVIDIA K20x, NEC/HPE GSIC Center, Tokyo Institute of Technology Japan	76,032	2.79	5.74	1,399
82	VSC-4 - ThinkSystem SD650, Xeon Platinum 8174 24C 3.1GHz, Intel Omni-Path, Lenovo Vienna Scientific Cluster Austria	37,920	2.73	3.76
83	LLNL/NNSA CTS-1 Jade - Tundra Extreme Scale, Xeon E5-2695v4 18C 2.1GHz, Intel Omni-Path, Penguin Computing, Inc. Lawrence Livermore National Laboratory United States	95,472	2.63	3.21	13,620
84	LLNL CTS-1 Quartz - Tundra Extreme Scale, Xeon E5-2695v4 18C 2.1GHz, Intel Omni-Path, Penguin Computing, Inc. Lawrence Livermore National Laboratory United States	95,472	2.63	3.21	13,620
85	HPC3 - Lenovo NeXtScale nx360M5, Xeon E5-2697v4 18C 2.3GHz, Infiniband EDR, NVIDIA Tesla K80, Lenovo Energy Company (A) Italy	66,000	2.59	3.80
86	Mihir - Cray XC40, Xeon E5-2695v4 18C 2.1GHz, Aries interconnect , Cray/HPE National Centre for Medium Range Weather Forecasting India	83,592	2.57	2.81	955
87	Tianhe-1A - NUDT YH MPP, Xeon X5670 6C 2.93 GHz, NVIDIA 2050, NUDT National Supercomputing Center in Tianjin China	186,368	2.57	4.70	4,040
88	PAI-BSystem - Sugon TC4600LP/W740I, Xeon Gold 6142 16C 2.6GHz, Infiniband EDR, NVIDIA Tesla P100, Sugon China Meteorological Administration China	50,816	2.55	4.23	710
89	cascade - Atipa Visione IF442 Blade Server, Xeon E5-2670 8C 2.600GHz, Infiniband FDR, Intel Xeon Phi 5110P, Atipa Technology DOE/SC/Pacific Northwest National Laboratory United States	194,616	2.54	3.39	1,384
90	occigen2 - bullx DLC 720, Xeon E5-2690v4 14C 2.6GHz, Infiniband FDR, EVIDEN Grand Equipement National de Calcul Intensif - Centre Informatique National de l'Enseignement Suprieur (GENCI-CINES) France	85,824	2.49	3.57	1,430
91	Excalibur - Cray XC40, Xeon E5-2698v3 16C 2.3GHz, Aries interconnect , Cray/HPE Army Research Laboratory DoD Supercomputing Resource Center (ARL DSRC) United States	100,064	2.48	3.68	1,466
92	CLAIX (2018) - INTEL-HNS2600BPB, Xeon Platinum 8160 24C 2.1GHz, Intel Omni-Path, NEC Universitaet Aachen/RWTH - IT Center Germany	61,200	2.48	4.11	692
93	Lomonosov 2 - T-Platform A-Class Cluster, Xeon E5-2697v3 14C 2.6GHz,Intel Xeon Gold 6126, Infiniband FDR, Nvidia K40m/P-100, T-Platforms Moscow State University - Research Computing Center Russia	64,384	2.48	4.95
94	B1 - Lenovo HR650x, Xeon Gold 6133 20C 2.5GHz, 25G Ethernet, Lenovo Service Provider T China	60,000	2.46	4.80
95	Centennial - SGI ICE XA, Xeon E5-2698v4 20C 2.2GHz, Infiniband EDR, HPE US Army Research Laboratory (ARL) United States	73,920	2.44	2.60	835
96	PAI-ASystem - Sugon TC4600, Xeon Gold 6142 16C 2.6GHz, Infiniband EDR, Sugon China Meteorological Administration China	48,128	2.44	4.00	740
97	C1 - Lenovo HR650x, Xeon Gold 6133 20C 2.5GHz, 25G Ethernet, Lenovo Service Provider T China	59,200	2.43	4.74
98	D1 - Lenovo HR650x, Xeon Gold 6133 20C 2.5GHz, 25G Ethernet, Lenovo Service Provider T China	58,800	2.42	4.70
99	Nuri - Cray XC40, Xeon E5-2690v3 12C 2.6GHz, Aries interconnect , Cray/HPE Korea Meteorological Administration South Korea	69,600	2.40	2.90	1,359
100	Miri - Cray XC40, Xeon E5-2690v3 12C 2.6GHz, Aries interconnect , Cray/HPE Korea Meteorological Administration South Korea	69,600	2.40	2.90	1,359