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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

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SpecThe Stargate ProjectEl Capitan
Abilene Trained ModelGPT-5.5—
Abilene Trained Model Version5.5—
Accelerator—AMD Instinct MI300A (APU)
Capacity Added Prior 90 Days GW MIN3—
Capacity Added Window Days90—
Capacity Update Date2026-04-29—
Cores—11,340,000
CPU—AMD 4th Gen EPYC 24C 1.8GHz
Custom Silicon AnnouncedBroadcom (10 GW)—
Hpcg Tflops—17,406
Installation Year—2,024
Interconnect—HPE Slingshot-11
Location—DOE/NNSA/Lawrence Livermore National Laboratory
Manufacturer—HPE
Model—HPE Cray EX255a
Oracle Partnership GW5—
PartnersOpenAI, SoftBank, Oracle, MGX—
Planned Capacity GW 20257—
Planned Chip Count Million2—
Power KW—29,684.62
Primary Accelerator AnnouncedNVIDIA GB200 (initial Oracle racks)—
Primary SiteAbilene, Texas—
Rmax Pflops—1,809
Rpeak Pflops—2,821.1
Secondary Accelerator AnnouncedAMD Instinct (up to 6 GW)—
Secured Capacity Commitment Deadline Year2,029—
Secured Capacity Commitment GW10—
Status Checked2026-09-24—
Top500 Jun2026 NO1—LineShine (National Supercomputing Centre in Shenzhen, China)
Top500 Rank Jun2026—2
Top500 Rank Nov2024—1
Top500 Rank Nov2025—1
Total Planned Investment USD Billion400—