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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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SpecNVIDIA B200Frontier (OLCF-5)
Accelerator—AMD Instinct MI250X
Cabinets—74
Chip TO Chip Interconnect TB S10—
Cores—9,066,176
CPU—AMD 3rd Gen EPYC 64C 2GHz
Fp16 Bf16 Pflops4.5—
FP32 TFLOPS75—
FP4 Pflops Dense9—
FP4 Pflops Sparse18—
FP64 TFLOPS37—
FP8 Pflops9—
HBM (GB)180—
Installation Year—2,021
Int8 Pops9—
Interconnect—HPE Slingshot-11
Location—DOE/SC/Oak Ridge National Laboratory
Manufacturer—HPE
Memory bandwidth (TB/s)8—
Model—HPE Cray EX235a
Nvlink Generation5—
Nvlink GPU TO GPU TB S1.8—
Power KW—24,607
Process NodeTSMC 4NP—
Rmax Pflops—1,353
Rpeak Pflops—2,055.72
Top500 Rank Jun2026—3
Top500 Rank Nov2025—2
Transistor Count Billion208—