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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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SpecFrontier (OLCF-5)AWS Trainium2
AcceleratorAMD Instinct MI250X—
Bf16 Tflops PER Chip—667
Cabinets74—
Chips PER Trn2 Instance—16
Chips PER Ultraserver—64
Cores9,066,176—
CPUAMD 3rd Gen EPYC 64C 2GHz—
FP8 Dense Petaflops PER Chip—1.3
FP8 Sparse Petaflops PER Chip—5.2
HBM Bandwidth TB S PER Chip—2.9
HBM Capacity GB PER Chip—96
HBM Type—HBM3
Installation Year2,021—
InterconnectHPE Slingshot-11—
LocationDOE/SC/Oak Ridge National Laboratory—
ManufacturerHPE—
ModelHPE Cray EX235a—
Neuroncores PER Chip—8
Power KW24,607—
Rmax Pflops1,353—
Rpeak Pflops2,055.72—
Top500 Rank Jun20263—
Top500 Rank Nov20252—
Trainium3 GA—2025-12-02
Trainium3 HBM Bandwidth TB S—4.9
Trainium3 Hbm3e GB PER Chip—144
Trn2 Instance FP8 Petaflops—20.8
Trn2 Instance HBM TB—1.5
Trn3 Ultraserver FP8 Pflops—362
Trn3 Ultraserver MAX Chips—144
Ultraserver FP8 Petaflops—83.2
Ultraserver Total HBM Bandwidth TB S—185
Ultraserver Total HBM TB—6