# Kestrel Versus Eagle Supercomputer Stack-Up

Compare NREL's latest high-performance computing system—Kestrel—with its predecessor—Eagle—and see how its advanced supercomputer capabilities stack-up to real-world examples.

## Peak Performance

Side by side on the subway tracks, Kestrel will travel 5.5 times faster than Eagle.

## Random Access Memory

Kestrel can quickly recall the details of every bus route in the United States.

## High-Speed Data Storage

It would take more than 65 miles of end-to-end smartphones to store as much data as Kestrel.

## Network Speed

Kestrel's network "highway" has twice as many lanes as Eagle's. Vehicles (or data) travel twice as fast, simultaneously, and—like Kestrel's compute nodes—all communicating with one another at the same time.

## Energy-per-Computation

Efficiency

Kestrel can do 2.2 times more calculations per watt of energy than Eagle. That’s like traveling more than twice as far on a single charge.

**Computing Speed Unit Definitions**

Gigaflop — billion calculations per second

Petabytes — 14 million gigabytes

Petaflop — million-billion calculations per second

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