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Frontier

Frontier is number three on the June 2026 TOP500 at 1,353.00 petaflops per second. It uses AMD MI250X accelerators at Oak Ridge.

Frontier is 1,353 Pflop/s, an official figure.

Also known as OLCF Frontier
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HPL Rmax

1,353Pflop/s

TOP500, June 2026, rank 3. Frontier, HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64 cores at 2 GHz, AMD Instinct MI250X, Slingshot-11, HPE Cray OS, at DOE/SC/Oak Ridge National Laboratory, United States. Cores 9,066,176. Rmax 1,353.00 Pflop/s. Rpeak 2,055.72 Pflop/s. Power 24,607 kW. The article says the HPL score holds at 1.353 exaflops per second. The figure is HPL Rmax.

OfficialTOP500 (opens source in a new tab)

Quick answers

People also ask

How fast is Frontier?

Frontier is 1,353 Pflop/s, an official figure.

Is that figure claimed or verified?

Frontier is labeled Official. Ratified by a governing body such as the FIA, World Athletics or Guinness World Records.

What is the source?

The figure cites TOP500, “TOP500 June 2026, Frontier row.”

Where does Frontier rank?

Frontier is 3rd of 10 on Fastest Supercomputers.

Mechanism

Why it's so fast

Frontier is ranked on its June 2026 TOP500 HPL Rmax of 1,353.00 Pflop/s. Rmax is the Linpack rate the benchmark measured. Rpeak, published beside it, is a theoretical peak and is not the sort key.

Rmax
1,353.00 Pflop/s
Cores
9,066,176
Power
24,607 kW

  1. The chip on the row

    Frontier is an HPE Cray EX235a at Oak Ridge with AMD EPYC processors, 64 cores at 2 GHz, and Instinct MI250X accelerators, on Slingshot-11. The table lists 9,066,176 cores, Rpeak 2,055.72 Pflop/s, and 24,607 kW.

  2. What does not count

    The article says the HPL score is holding at 1.353 exaflops per second. Holding means this edition did not publish a new higher Rmax. What counts is the number on the June 2026 row.

Provenance

Every measurement

Claimed, measured and official figures side by side, each with its source. The ranked figure is marked.

  1. 1,353Pflop/sRanked figure

    TOP500, June 2026, rank 3. Frontier, HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64 cores at 2 GHz, AMD Instinct MI250X, Slingshot-11, HPE Cray OS, at DOE/SC/Oak Ridge National Laboratory, United States. Cores 9,066,176. Rmax 1,353.00 Pflop/s. Rpeak 2,055.72 Pflop/s. Power 24,607 kW. The article says the HPL score holds at 1.353 exaflops per second. The figure is HPL Rmax.

    Rpeak is 2,055.72 Pflop/s. What counts is Rmax.

    Official
    TOP500 (opens source in a new tab)

Reference

Specs

Rmax
1,353.00 Pflop/s
Rpeak
2,055.72 Pflop/s
Cores
9,066,176
Power
24,607 kW

Context

Background

Frontier, at Oak Ridge National Laboratory in Tennessee, is number three on the June 2026 TOP500. The HPL Rmax is 1,353.00 petaflops per second. The article says that score is holding at 1.353 exaflops per second. The system is an HPE Cray EX235a with AMD 3rd-generation EPYC processors, 64 cores at 2 GHz, and AMD Instinct MI250X accelerators, on Slingshot-11. The table lists 9,066,176 cores, Rpeak 2,055.72 petaflops per second, and 24,607 kW. The figure is 1,353.00 Pflop/s, qualifier official.

Rpeak is the theoretical peak beside the measurement. This list does not sort on it. Frontier remains an exascale system on the HPL number the list says, behind LineShine and El Capitan.

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