Machines that have been number one
21 systems have held first place on the TOP500 since the list began. Ordered by the peak speed each reached while on top.
El Capitan
1.742 EFlop/s · HPE Cray · United States
Number one for 2 lists, from November 2024
Frontier
1.206 EFlop/s · HPE Cray · United States
Number one for 5 lists, from June 2022
Fugaku
442.01 PFlop/s · Fujitsu · Japan
Number one for 4 lists, from June 2020
Summit
148.60 PFlop/s · IBM · United States
Number one for 4 lists, from June 2018
Sunway TaihuLight
93.01 PFlop/s · NRCPC · China
Number one for 4 lists, from June 2016
Tianhe-2
33.86 PFlop/s · NUDT · China
Number one for 6 lists, from June 2013
Titan
17.59 PFlop/s · Cray · United States
Number one for 1 list, from November 2012
Sequoia
16.32 PFlop/s · IBM · United States
Number one for 1 list, from June 2012
K computer
10.51 PFlop/s · Fujitsu · Japan
Number one for 2 lists, from June 2011
Tianhe-1A
2.57 PFlop/s · NUDT · China
Number one for 1 list, from November 2010
Jaguar
1.76 PFlop/s · Cray · United States
Number one for 2 lists, from November 2009
Roadrunner
1.10 PFlop/s · IBM · United States
Number one for 3 lists, from June 2008
BlueGene/L
478.200 TFlop/s · IBM · United States
Number one for 7 lists, from November 2004
Earth Simulator
35.860 TFlop/s · NEC · Japan
Number one for 5 lists, from June 2002
ASCI White
7.226 TFlop/s · IBM · United States
Number one for 3 lists, from November 2000
ASCI Red
2.379 TFlop/s · Intel · United States
Number one for 7 lists, from June 1997
CP-PACS/2048
368.2 GFlop/s · Hitachi · Japan
Number one for 1 list, from November 1996
SR2201/1024
220.4 GFlop/s · Hitachi · Japan
Number one for 1 list, from June 1996
Numerical Wind Tunnel
170.0 GFlop/s · Fujitsu · Japan
Number one for 4 lists, from November 1993
XP/S140 Paragon
143.4 GFlop/s · Intel · United States
Number one for 1 list, from June 1994
CM-5/1024
59.7 GFlop/s · Thinking Machines · United States
Number one for 1 list, from June 1993