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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 HGX B200Frontier (OLCF-5)
Accelerator—AMD Instinct MI250X
Cabinets—74
Cores—9,066,176
CPU—AMD 3rd Gen EPYC 64C 2GHz
Fp16 Bf16 Pflops36—
FP32 TFLOPS600—
FP4 Pflops Dense72—
FP4 Pflops Sparse144—
FP64 TFLOPS296—
FP8 FP6 Pflops72—
Gpus8—
Installation Year—2,021
Int8 Pops72—
Interconnect—HPE Slingshot-11
Location—DOE/SC/Oak Ridge National Laboratory
Manufacturer—HPE
Model—HPE Cray EX235a
Networking Bandwidth TB S0.8—
Nvlink Generation5—
Nvlink GPU TO GPU TB S1.8—
Power KW—24,607
Rmax Pflops—1,353
Rpeak Pflops—2,055.72
Top500 Rank Jun2026—3
Top500 Rank Nov2025—2
Total HBM GB1,400—
Total Nvlink Bandwidth TB S14.4—