Green500 List - June 2026

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

Rpeak 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.

Green500 Data

Rank TOP500 Rank System Cores Rmax (PFlop/s) Power (kW) Energy Efficiency (GFlops/watts)
401 373 NA10B - Lenovo ThinkSystem SR665 V2, AMD EPYC 7763 64C 2.45GHz, 100G Ethernet, Lenovo
Software Company
United States
184,320 3.64 0.000
402 374 NA10A - Lenovo ThinkSystem SR665 V2, AMD EPYC 7763 64C 2.45GHz, 100G Ethernet, Lenovo
Software Company
United States
184,320 3.64 0.000
403 375 NA10 - Lenovo ThinkSystem SR665 V2, AMD EPYC 7763 64C 2.45GHz, 100G Ethernet, Lenovo
Software Company
United States
184,320 3.64 0.000
404 376 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 0.000
405 381 NOBZ1 - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, Broadcom, Lenovo
Software Company MBZ
Brazil
80,640 3.55 0.000
406 382 AIC1 - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, Broadcom, Lenovo
Software Company MIR
Ireland
80,640 3.55 0.000
407 383 B1A - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
80,640 3.55 0.000
408 384 Geely Wise Star-Dubhe - Lenovo ThinkSystem SD650 V3, Xeon Gold 6458Q 32C 3.1GHz, Infiniband HDR, Lenovo
Geely Auto Group
China
40,960 3.54 0.000
409 387 Unizah-II - Cray CS500, Xeon Gold 6248 20C 2.5GHz, 10G Ethernet, HPE
Saudi Aramco
Saudi Arabia
85,560 3.49 0.000
410 388 Ohtaka - PowerEdge C6525, AMD EPYC 7702 64C 2GHz, Mellanox HDR Infiniband, DELL
The Institute for Solid State Physics, The University of Tokyo
Japan
215,040 3.49 0.000
411 389 BA1A - ThinkSystem HR650X, Intel Xeon Gold 8350C 32C 2.6GHz, 25G Ethernet, Lenovo
Service Provider B
China
81,920 3.48 0.000
412 390 CARO - NEC HPC2808Ri-2, AMD EPYC 7702 64C 2GHz, InfiniBand HDR100, NEC
German Aerospace Center
Germany
174,592 3.46 0.000
413 391 davinci-1 - BullSequana X, AMD EPYC 7402 24C 2.8GHz, NVIDIA A100, Mellanox HDR Infiniband, Bull
Leonardo SpA
Italy
38,400 3.45 0.000
414 392 Tenaya - HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11, HPE
DOE/NNSA/LLNL
United States
22,656 3.41 0.000
415 395 Molecular Simulator - Apollo 2000 Gen10 Plus, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100, InfiniBand HDR 100, HPE
Institute for Molecular Science
Japan
106,496 3.34 0.000
416 396 ASPIRE 2A (GPU Partition) - HPE Cray EX235n, Apollo 6500, AMD EPYC 7713 64C 2GHz, NVIDIA A100 SXM4 40 GB, Slingshot-10, HPE
National Supercomputing Centre Singapore
Singapore
43,648 3.33 0.000
417 397 NA4 - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet, Lenovo
Software Company
United States
85,248 3.32 0.000
418 398 NA4A - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet, Lenovo
Software Company
United States
85,248 3.32 0.000
419 399 SEIRAN - NVIDIA DGX B200, Xeon Platinum 8570 56C 2.1GHz, NVIDIA B200 SXM 180GB, Infiniband NDR, Ubuntu 24.04.3 LTS, Nvidia
AI Technology Center, Tokyo University of Technology
Japan
15,552 3.31 0.000
420 401 Topaze-cpu - BullSequana XH2000, AMD EPYC 7763 64C 2.45GHz, InfiniBand HDR100, Bull
Commissariat a l'Energie Atomique (CEA)/CCRT
France
110,592 3.26 0.000
421 404 NA13A - Lenovo ThinkSystem SR665 V2, AMD EPYC 7763 64C 2.45GHz, 100G Ethernet, Lenovo
Software Company
United States
156,160 3.20 0.000
422 405 NA13 - Lenovo ThinkSystem SR665 V2, AMD EPYC 7763 64C 2.45GHz, 100G Ethernet, Lenovo
Software Company
United States
156,160 3.20 0.000
423 406 Big Red 200, GPU Partition - HPE Cray EX235n, AMD EPYC 7713 64C 2GHz, NVIDIA A100, Slingshot-10, HPE
Indiana University
United States
31,744 3.19 0.000
424 407 Dream-AI - INSPUR NF5688M6, Intel Xeon Gold 6330 28C 2GHz, NVIDIA A100 SXM4 40 GB, Mellanox HDR Infiniband, Inspur
GIST SCENT
South Korea
36,960 3.18 0.000
425 408 UAlbany AI Supercomputer - NVIDIA DGX A100, AMD EPYC 7742 64C 2.25GHz, NVIDIA A100 SXM4 80 GB, Infiniband HDR, Ubuntu 22.04.5 LTS, Nvidia
University at Albany
United States
23,808 3.17 0.000
426 411 ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
71,680 3.15 0.000
427 412 B5A - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
71,680 3.15 0.000
428 413 AID1 - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, Broadcom, Lenovo
Software Company MIR
Ireland
71,680 3.15 0.000
429 414 NOJP1 - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, Broadcom, Lenovo
Software Company MJP
Japan
71,680 3.15 0.000
430 415 NONY1 - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, Broadcom, Lenovo
Software Company MNY
Norway
71,680 3.15 0.000
431 416 NO6 - ThinkSystem C2397, Xeon Platinum 8280 28C 2.7GHz, Broadcom, Lenovo
Software Company MUS
United States
71,680 3.15 0.000
432 421 B2G - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MNED
Netherlands
92,160 3.13 0.000
433 422 A1C - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MSG
Singapore
92,160 3.13 0.000
434 423 A5A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
92,160 3.13 0.000
435 424 A1A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
92,160 3.13 0.000
436 425 A1A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
92,160 3.13 0.000
437 426 NO4 - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
92,160 3.13 0.000
438 427 NA8B - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet, Lenovo
Software Company
United States
84,096 3.13 0.000
439 428 NA8A - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet, Lenovo
Software Company
United States
84,096 3.13 0.000
440 429 NA8 - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet, Lenovo
Software Company
United States
84,096 3.13 0.000
441 430 NA8 - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet, Lenovo
Software Company
United States
84,096 3.13 0.000
442 431 NA8Z - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet, Lenovo
Software Company
United States
84,096 3.13 0.000
443 434 IronMan - PowerEdge XE9680 Xeon Platinum 8460Y+ 40C 2GHz, AMD Instinct MI300X, Broadcom BCM957608 400G Ethernet, Ubuntu 22.04.5 LTS, DELL
Dell Technologies HPC & AI Innovation Lab
United States
20,096 3.11 0.000
444 436 Lenovo ThinkSystem SR675 V3, AMD EPYC 9335 32C 3GHz, NVIDIA H200, Infiniband NDR400, Ubuntu, Lenovo
ASEAN-Korea HPC Facility in Indonesia
Indonesia
9,472 3.10 0.000
445 437 Lichtenberg II (Phase 2) - ThinkSystem SD650 V3, Xeon Platinum 8470Q 52C 2.1GHz, InfiniBand HDR100, Lenovo
Technische Universitaet Darmstadt
Germany
59,904 3.10 0.000
446 438 VEGA HPC GPU - BullSequana XH2000, AMD EPYC 7H12 64C 2.6GHz, NVIDIA A100, Infiniband HDR, Bull
IZUM
Slovenia
33,600 3.10 0.000
447 439 Lenovo HR650x, Xeon Gold 6133 20C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
76,000 3.09 0.000
448 441 Medusa - PowerEdge XE9680, Xeon Platinum 8468 48C 2.1GHz, NVIDIA H100, Infiniband NDR400, Ubuntu 22.04.2 LTS, DELL
Dell Technologies HPC & AI Innovation Lab
United States
9,216 3.08 0.000
449 442 Hera - Cray CS500, Xeon Gold 6148 20C 2.4GHz, Infiniband HDR, HPE
NOAA Environmental Security Computer Center
United States
63,840 3.08 0.000
450 443 Numerical Materials Simulator - DELL PowerEdge C6620, Xeon Platinum 8592+ 64C 1.9GHz, NVIDIA Infiniband NDR, Red Hat Enterprise Linux, DELL
National Institute for Materials Science
Japan
51,200 3.08 0.000
451 444 Jean Zay - HPE SGI 8600, Xeon Gold 6248 20C 2.5GHz, Intel Omni-Path, HPE
CNRS/IDRIS-GENCI
France
61,120 3.05 0.000
452 447 Palmetto2 - PowerEdge R740/R740xd/R750, Xeon 8358/6148/6248/6238R/6258R, NVIDIA Tesla A100 80G/40G, InfiniBand HDR100, DELL
Clemson University
United States
52,080 3.01 0.000
453 448 ARF - ThinkSystem SD650 v3, Xeon Platinum 8480+ 56C 2GHz, Infiniband NDR200, Lenovo
TRUBA
Turkey
55,552 3.00 0.000
454 449 NO3 - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
88,320 3.00 0.000
455 450 Lenovo HR650x, Xeon Gold 6133 20C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
73,600 2.99 0.000
456 451 FusionServer 2258H V8, AMD EPYC 9755 128C 2.7GHz, Intel Omni-Path 100G, RHEL 9.4, xFusion
Manufacturing Industry (A)
Norway
51,200 2.99 0.000
457 453 HHH1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
80,640 2.98 0.000
458 454 III1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
79,680 2.98 0.000
459 455 Tetralith - Intel H2204XXLRE, Xeon Gold 6130 16C 2.1GHz, Intel Omni-Path, ClusterVision / Hammer
National Supercomputer Centre (NSC)
Sweden
64,512 2.97 0.000
460 456 NEC HPC 124Rj-1, Xeon Platinum 8358 32C 2.6GHz, Intel Omni-Path, NEC
Volkswagen AG at Green Mountain A/S
Norway
53,568 2.96 0.000
461 457 JJJ1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
78,720 2.93 0.000
462 458 Lenovo HR650x, Xeon Gold 6133 20C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
72,000 2.93 0.000
463 459 A9A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
86,016 2.92 0.000
464 460 A6A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
86,016 2.92 0.000
465 461 Jean - Liqid Cluster, Intel Xeon Platinum 9242 48C 2.3GHz, Infiniband HDR, Liqid
Army Research Laboratory DoD Supercomputing Resource Center (ARL DSRC)
United States
55,296 2.92 0.000
466 462 Castner - HPE Cray EX254n, NVIDIA Grace 72C 3.1GHz, NVIDIA GH200 Superchip, Slingshot-11, HPE Cray OS, HPE
Hewlett Packard Enterprise
United States
13,056 2.92 0.000
467 463 Terabit HPC Bubble - ThinkSystem SR675 V3, AMD EPYC 9654 96C 2.4GHz, NVIDIA H100 80GB HBM3, NVIDIA Infiniband NDR, AlmaLinux 9, Lenovo
INFN-CNAF
Italy
14,400 2.91 0.000
468 464 KKK1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
77,760 2.91 0.000
469 465 Inspur TS10000 HPC Server, Xeon Gold 6248R 24C 3GHz, InfiniBand HDR 100, Inspur
Central South University
China
49,056 2.89 0.000
470 466 LLL1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
76,800 2.88 0.000
471 468 ThinkSystem HR650X, Xeon Gold 6230R 26C 2.1GHz, 10G Ethernet, Lenovo
Service Provider K
China
93,600 2.87 0.000
472 469 A8A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
84,480 2.87 0.000
473 470 A8A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
84,480 2.87 0.000
474 471 A3A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
84,480 2.87 0.000
475 472 A14A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
84,480 2.87 0.000
476 473 A14A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
84,480 2.87 0.000
477 474 ThinkSystem SR650, Xeon Gold 6238 22C 2.1GHz, 10G Ethernet, Lenovo
Financial Services P
China
94,160 2.87 0.000
478 475 MMM1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
75,840 2.86 0.000
479 477 NNN1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
74,880 2.83 0.000
480 478 Freeman - Cray CS500, AMD EPYC 7542 32C 2.9GHz, Mellanox InfiniBand HDR100, HPE
ERDC DSRC
United States
79,104 2.83 0.000
481 479 HPE Cray XD220v, Xeon Platinum 8480+ 56C 2GHz, Infiniband HDR200, Rocky Linux, HPE
Tohoku University, Institute of Fluid Science
Japan
49,728 2.82 0.000
482 480 OOO1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
73,920 2.80 0.000
483 481 Lenovo HR650x, Xeon Gold 6133 20C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
68,000 2.78 0.000
484 483 NEC LX HPC 224Rk-1, AMD EPYC 9454 48C 2.75GHz, Intel Omni-Path, NEC
Volkswagen AG at Green Mountain A/S
Norway
59,520 2.78 0.000
485 484 ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 10G Ethernet, Lenovo
Service Provider T
China
72,960 2.77 0.000
486 485 Spartan3 - BullSequana XH2000, AMD EPYC 7763 64C 2.45GHz, Mellanox InfiniBand HDR100, Bull
Atos
France
92,160 2.75 0.000
487 486 ZZ2 - ThinkSystem HR650X, Xeon Gold 6133 20C 2.5GHz, 10G Ethernet, Lenovo
Service Provider T
China
67,200 2.75 0.000
488 487 ThinkSystem SR650, Xeon Gold 6248 20C 2.5GHz, 25G Ethernet, Lenovo
Service Provider T
China
66,400 2.75 0.000
489 488 ThinkSystem SR650, Xeon Gold 6240 18C 2.6GHz, NVIDIA Tesla V100, Infiniband EDR, Lenovo
Government
China
59,976 2.74 0.000
490 489 ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 10G Ethernet, Lenovo
Service Provider T
China
72,000 2.74 0.000
491 490 VSC-4 - ThinkSystem SD650, Xeon Platinum 8174 24C 3.1GHz, Intel Omni-Path, Lenovo
Vienna Scientific Cluster
Austria
37,920 2.73 0.000
492 492 ZZ3 - ThinkSystem HR650X, Xeon Gold 6133 20C 2.5GHz, 10G Ethernet, Lenovo
Service Provider T
China
66,400 2.72 0.000
493 493 ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 10G Ethernet, Lenovo
Service Provider T
China
71,040 2.71 0.000
494 494 Arka AI/ML - NVIDIA DGX H100, Xeon Platinum 8480C 56C 2GHz, NVIDIA H100 SXM5 80GB, Octo-rail NVIDIA HDR100 Infiniband, Red Hat Enterprise Linux, Bull
Indian Institute of Tropical Meteorology
India
8,176 2.70 0.000
495 495 ZZ4 - ThinkSystem HR650X, Xeon Gold 6133 20C 2.5GHz, 10G Ethernet, Lenovo
Service Provider T
China
65,600 2.69 0.000
496 496 ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 10G Ethernet, Lenovo
Service Provider T
China
70,080 2.68 0.000
497 497 Banting - Cray XC50, Xeon Gold 6148 20C 2.4GHz, Aries interconnect, HPE
Shared Services Canada
Canada
53,200 2.68 0.000
498 498 Hypercluster - NVIDIA DGX-2, Xeon Platinum 8168 24C 2.7GHz, NVIDIA Tesla V100, Mellanox InfiniBand EDR, Nvidia
Microsoft Research
United States
47,808 2.67 0.000
499 499 A14A - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MCA
Canada
78,336 2.66 0.000
500 500 NO2 - ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet, Lenovo
Software Company MUS
United States
78,336 2.66 0.000