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Processors
IBM Xenon

Processor

IBM Xenon

The Microsoft Xbox 360 main processor.

Manufacturer: IBM
Architecture: PowerPC-derived
Introduced: 2005
Word size: 64 bit
Core count: 3
Instruction set: PowerPC
Record status: provisional

Fitted to

Microsoft Xbox 360 Console · November 2005

Sources

Xbox 360 is launched Microsoft UK · tier A · Xbox 360 launch hardware-specification list

Power processors

IBM Gekko IBM · 2001
IBM Xenon IBM · 2005
Cell Broadband Engine Sony Computer Entertainment / IBM / Toshiba · 2005
IBM Broadway IBM · 2006
IBM Espresso IBM · 2012

RetroFlops publishes sourced hardware performance data. Every numeric value carries a source, a locator and an evidence-review status. There is no universal score, and values are compared only within a single metric and methodology.

Methodology · Data & contributing · GitHub

© 2026 Wojciech Polak and contributors. The code is MIT; the catalog, the editorial prose and the exports are CC BY 4.0. The documents cited belong to their publishers.

Version 1.0.0, built from commit 3d1ddcd of 29 August 2026.

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