| System | Year | Vendor | Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) |
| LLNL/NNSA CTS-2 Bengal - DELL PowerEdge C6620, Xeon Platinum 8480+ 56C 2GHz, Cornelis Networks Omni-Path, Linux/TOSS | 2023 | DELL | 107,520 | 7,196,630 | 8,085,500 |
| LLNL CTS-2 Dane - DELL PowerEdge C6620, Xeon Platinum 8480+ 56C 2GHz, Cornelis Networks Omni-Path | 2023 | DELL | 123,648 | 7,041,000 | 7,913,000 |
| LLNL Ruby - Supermicro SYS-2029TP-HTR, Xeon Platnium 8276L 28C 2.2GHz, Cornelis Networks Omni-Path | 2020 | Supermicro | 85,568 | 3,700,150 | 6,023,990 |
| LLNL/NNSA CTS-1 MAGMA - Relion Cluster, Intel Xeon Platinum 9242 48C 2.3GHz, Intel Omni-Path | 2019 | Penguin Computing, Inc. | 62,400 | 3,241,240 | 4,592,640 |
| LLNL CTS-2 Matrix - PowerEdge XE9640, Xeon Platinum 8480+ 56C 2GHz, NVIDIA H100, Infiniband NDR, Linux/TOSS | 2025 | DELL | 12,800 | 3,114,000 | 3,503,360 |
| LLNL/NNSA CTS-1 Jade - Tundra Extreme Scale, Xeon E5-2695v4 18C 2.1GHz, Intel Omni-Path | 2016 | Penguin Computing, Inc. | 95,472 | 2,632,510 | 3,207,859.2 |
| LLNL CTS-1 Quartz - Tundra Extreme Scale, Xeon E5-2695v4 18C 2.1GHz, Intel Omni-Path | 2016 | Penguin Computing, Inc. | 95,472 | 2,632,510 | 3,207,859.2 |
| LLNL/NNSA CTS-1 Nel - Tundra Extreme Scale, Xeon E5-2695v4 18C 2.1GHz, Intel Omni-Path | 2017 | Penguin Computing, Inc. | 39,744 | 1,179,580 | 1,335,398 |
| Zin - Xtreme-X GreenBlade GB512X, Xeon E5 (Sandy Bridge - EP) 8C 2.60GHz, Infiniband QDR | 2011 | Cray/HPE | 46,208 | 773,700 | 961,126.4 |
| Cab - Xtreme-X , Xeon E5-2670 8C 2.600GHz, Infiniband QDR | 2012 | Cray/HPE | 20,480 | 347,400 | 425,984 |
| Sierra - Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | 2010 | DELL | 21,756 | 166,700 | 243,667 |
| Juno - Appro XtremeServer 1143H, Opteron QC 2.2Ghz, Infiniband | 2008 | Cray/HPE | 18,224 | 131,600 | 162,200 |
| Muir - Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | 2010 | DELL | 15,000 | 105,900 | 168,000 |
| Hera - Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband | 2009 | Cray/HPE | 13,552 | 102,200 | 127,200 |
| Edge - Appro GreenBlade Cluster, Xeon X5660 6C 2.80 GHz, Infiniband QDR, NVIDIA 2050 | 2010 | Cray/HPE | 8,240 | 100,500 | 239,866 |
| Graph - Appro Xtreme-X3 Opteron 2.0GHz, Infiniband DDR | 2009 | Cray/HPE | 13,440 | 83,080 | 107,500 |
| Coastal - Dell DCS Xanadu 2.5, Xeon E55xx 2.4Ghz, Infiniband DDR | 2010 | DELL | 8,464 | 72,410 | 81,254 |
| Atlas - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband | 2007 | Cray/HPE | 9,216 | 36,620 | 44,240 |
| Hyperion - Dell DCS Xanadu 2.5, Xeon E55xx 2.4Ghz, Infiniband DDR | 2010 | DELL | 4,032 | 31,860 | 40,320 |
| Titan - Dell DCS Xanadu 2.5, Xeon E55xx 2.4Ghz, Infiniband DDR | 2010 | DELL | 4,032 | 31,860 | 40,320 |
| Ansel - Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | 2010 | DELL | 3,480 | 31,790 | 38,976 |
| Minos - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband | 2007 | Cray/HPE | 6,912 | 27,380 | 33,178 |
| Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics | 2004 | California Digital Corporation | 4,096 | 19,940 | 22,938 |
| Rhea - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband | 2007 | Cray/HPE | 4,608 | 18,240 | 22,118 |
| eServer pSeries p5 575 1.9 GHz | 2005 | IBM | 2,048 | 13,090 | 15,564.8 |
| Zeus - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband | 2006 | Cray/HPE | 2,304 | 8,181 | 11,059.2 |
| MCR Linux Cluster Xeon 2.4 GHz - Quadrics | 2002 | Linux Networx/Quadrics | 2,304 | 7,634 | 11,060 |
| ASCI White, SP Power3 375 MHz | 2000 | IBM | 8,192 | 7,304 | 12,288 |
| xSeries Cluster Xeon 2.4 GHz - Quadrics | 2003 | IBM/Quadrics | 1,920 | 6,586 | 9,216 |
| Lilac - xSeries x335 Cluster, Xeon 3.06 GHz, Quadrics | 2004 | IBM | 1,540 | 6,232 | 9,425 |
| eServer pSeries p5 575 1.9 GHz | 2005 | IBM | 896 | 5,917 | 6,809.6 |
| eServer pSeries p5 575 1.9 GHz | 2005 | IBM | 864 | 5,735 | 6,566.4 |
| eServer Blue Gene Solution | 2006 | IBM | 2,048 | 4,713 | 5,734 |
| eServer pSeries 655 (1.5 GHz Power4+) | 2004 | IBM | 1,024 | 3,812 | 6,144 |
| eServer pSeries 655 (1.5 GHz Power4+) | 2004 | IBM | 1,024 | 3,812 | 6,144 |
| ASCI Blue-Pacific SST, IBM SP 604e | 1999 | IBM | 5,808 | 2,144 | 3,856.5 |
| Gauss - GraphStream Gen3, Opteron 2.4 GHz, Infiniband | 2005 | GraphStream | 514 | 1,807 | 2,467 |
| SP Power3 375 MHz 16 way | 2001 | IBM | 1,088 | 1,193 | 1,632 |
| Adelie - Pentium4 Xeon 2.8 GHz Cluster - Quadrics | 2003 | Promicro/Quadrics | 256 | 1,036 | 1,433.6 |
| Emperor - Pentium4 Xeon 2.8 GHz Cluster - Quadrics | 2003 | Promicro/Quadrics | 256 | 1,036 | 1,433.6 |
| AlphaServer SC ES40/EV67 | 2000 | Hewlett-Packard (Compaq) | 512 | 507.6 | 682.7 |
| SP Power3 375 MHz 16 way | 2001 | IBM | 448 | 491 | 672 |
| ASCI Blue-Pacific CTR, IBM SP 604e | 1998 | IBM | 1,344 | 468.2 | 892.4 |
| ASCI Blue-Pacific TR, IBM SP 604e | 1998 | IBM | 672 | 198.6 | 446.2 |
| pSeries 690 Turbo 1.3GHz GigEth | 2002 | IBM | 64 | 161.9 | 332.8 |
| ASCI White Nighthawk Prototype, SP Power3 | 1999 | IBM | 128 | 80.8 | 113.6 |
| SP2/256 | 1996 | IBM | 256 | 44.2 | 68.1 |
| SP2/256 | 1996 | IBM | 256 | 44.2 | 68.1 |
| SP PC604e 332 MHz | 1998 | IBM | 680 | 34.1 | 451.5 |
| SP PC604e 332 MHz | 1998 | IBM | 760 | 34.1 | 504.6 |
| AlphaServer 8400 Cluster | 1998 | Hewlett-Packard (Compaq) | 80 | 30.9 | 98 |
| AlphaServer 8400 Cluster | 1997 | Hewlett-Packard (Compaq) | 54 | 24.8 | 66.2 |
| AlphaServer 8400 Cluster | 1996 | Hewlett-Packard (Compaq) | 80 | 24.7 | 70.4 |
| AlphaServer 8400 Cluster | 1997 | Hewlett-Packard (Compaq) | 36 | 15.2 | 44.1 |
| CS-2/64 | 1994 | Meiko | 64 | 5 | 11.5 |
| CS-2/224 | 1994 | Meiko | 224 | 5 | 40.3 |
| CS-2/128 | 1994 | Meiko | 128 | 5 | 23.0 |
| Y-MP J932/22-4096 | 1996 | Cray/HPE | 22 | 4 | 4.4 |
| POWER CHALLENGE | 1995 | HPE (SGI) | 12 | 2.9 | 3.6 |
| Y-MP8/8128 | 1991 | Cray/HPE | 8 | 2.1 | 2.7 |
| Y-MP8/864 | 1992 | Cray/HPE | 8 | 2.1 | 2.7 |
| X-MP/416 | 1987 | Cray/HPE | 4 | 0.8 | 0.9 |
