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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 33 fields comparable

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SpecAWS Trainium2Frontier (OLCF-5)
Accelerator—AMD Instinct MI250X
Bf16 Tflops PER Chip667—
Cabinets—74
Chips PER Trn2 Instance16—
Chips PER Ultraserver64—
Cores—9,066,176
CPU—AMD 3rd Gen EPYC 64C 2GHz
FP8 Dense Petaflops PER Chip1.3—
FP8 Sparse Petaflops PER Chip5.2—
HBM Bandwidth TB S PER Chip2.9—
HBM Capacity GB PER Chip96—
HBM TypeHBM3—
Installation Year—2,021
Interconnect—HPE Slingshot-11
Location—DOE/SC/Oak Ridge National Laboratory
Manufacturer—HPE
Model—HPE Cray EX235a
Neuroncores PER Chip8—
Power KW—24,607
Rmax Pflops—1,353
Rpeak Pflops—2,055.72
Top500 Rank Jun2026—3
Top500 Rank Nov2025—2
Trainium3 GA2025-12-02—
Trainium3 HBM Bandwidth TB S4.9—
Trainium3 Hbm3e GB PER Chip144—
Trn2 Instance FP8 Petaflops20.8—
Trn2 Instance HBM TB1.5—
Trn3 Ultraserver FP8 Pflops362—
Trn3 Ultraserver MAX Chips144—
Ultraserver FP8 Petaflops83.2—
Ultraserver Total HBM Bandwidth TB S185—
Ultraserver Total HBM TB6—