Frontier (OLCF-5)

Name: Frontier (OLCF-5)
Brand: HPE / AMD

Oak Ridge's exascale system — first to break the ExaFLOPS barrier on HPL; AMD MI250X plus EPYC.

Frontier is the HPE Cray EX235a system at Oak Ridge National Laboratory. With 9,066,176 cores across AMD 3rd Gen EPYC CPUs and AMD Instinct MI250X GPUs on a Slingshot-11 fabric, it sustains 1,353 PFLOP/s on HPL and ranked No. 2 on the November 2025 TOP500.

Specs

compute: AMD EPYC + Instinct MI250X

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