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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.

0 of 18 fields comparable

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SpecOpenAI GPT-5 CoreEl Capitan
AcceleratorAMD Instinct MI300A (APU)
Codex Synergy Precision Bonus12
Context Window Tokens M2
Cores11,340,000
CPUAMD 4th Gen EPYC 24C 1.8GHz
Hpcg Tflops17,406
Installation Year2,024
InterconnectHPE Slingshot-11
LocationDOE/NNSA/Lawrence Livermore National Laboratory
ManufacturerHPE
ModelHPE Cray EX255a
Power KW29,684.62
Pricing Input PER 1M USD12
Pricing Output PER 1M USD60
Rmax Pflops1,809
Rpeak Pflops2,821.1
Top500 Rank Nov20251
Version Major5
Compare · OpenAI GPT-5 Core vs El Capitan · MadCoolStuff