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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 30 fields comparable

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SpecNVIDIA H100Frontier (OLCF-5)
Accelerator—AMD Instinct MI250X
BF16 TFLOPS (sparse)1,979—
Cabinets—74
Cores—9,066,176
CPU—AMD 3rd Gen EPYC 64C 2GHz
Form factorSXM—
FP16 TFLOPS (dense)989.5—
FP16 TFLOPS (sparse)1,979—
FP32 TFLOPS67—
FP64 Tensor TFLOPS67—
FP64 TFLOPS34—
FP8 TFLOPS (dense)1,979—
FP8 TFLOPS (sparse)3,958—
HBM (GB)80—
Installation Year—2,021
INT8 TOPS (sparse)3,958—
Interconnect—HPE Slingshot-11
Location—DOE/SC/Oak Ridge National Laboratory
Manufacturer—HPE
Memory bandwidth (TB/s)3.35—
Memory typeHBM3—
Model—HPE Cray EX235a
NVLink bandwidth (GB/s)900—
Power KW—24,607
Rmax Pflops—1,353
Rpeak Pflops—2,055.72
TDP max (W)↓ better700—
TF32 TFLOPS (sparse)989—
Top500 Rank Jun2026—3
Top500 Rank Nov2025—2