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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 GH200 Grace HopperFrontier (OLCF-5)
Accelerator—AMD Instinct MI250X
Cabinets—74
Cores—9,066,176
CPU—AMD 3rd Gen EPYC 64C 2GHz
Grace CPU ArchArm Neoverse V2—
Grace CPU Cores72—
HBM GB Hbm396—
HBM GB Hbm3e144—
Hbm3e Bandwidth TB S4.9—
Installation Year—2,021
Interconnect—HPE Slingshot-11
Location—DOE/SC/Oak Ridge National Laboratory
Lpddr5x GB MAX480—
Manufacturer—HPE
Model—HPE Cray EX235a
Nvl2 AI Petaflops8—
Nvl2 Combined Bandwidth TB S10—
Nvl2 Total Hbm3e GB282—
Nvl2 Total Memory TB1.2—
Nvlink C2C Bandwidth GB S900—
Power KW—24,607
Rmax Pflops—1,353
Rpeak Pflops—2,055.72
TDP Watts MAX Unverified1,000—
Top500 Rank Jun2026—3
Top500 Rank Nov2025—2