The Cortex-A series of applications processors provide a range of solutions for devices undertaking complex compute tasks, such as hosting a rich operating system (OS) platform, and supporting multiple software applications.

Feature Cortex-A5 Cortex-A7 Cortex-A9

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Cortex-A15

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Cortex-A17

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Architecture Armv7-A Armv7-A Armv7-A Armv7-A Armv7-A

Main Extensions LPAE Virtualization LPAE Virtualization LPAE Virtualization

Pipeline In order In order Out of order Out of order Out of order

Superscalar No Partial Yes Yes Yes

Physical Addressing (PA) 32-bit 40-bit 32-bit 40-bit 40-bit

TrustZone for Cortex-A Yes Yes Yes Yes Yes

Neon and Floating Point Unit Supported (separately licensable) Supported (separately licensable) Supported (separately licensable) Supported (separately licensable) Included

Floating Point Unit only Optional Optional Optional Optional Included

Interrupt Controller

Optional Integrated GIC v1 (MP only)

Integrated GIC v1 (MP only)

Optional Integrated GIC v2 Internal Integrated GIC v1 (MP only) Optional Integrated GIC v2 Optional Integrated GIC v2

Bus Protocol AXI ACE AXI ACE or CHI ACE

L1 I-Cache/D-Cache 4-64kB 8-64kB 16-64kB

32kB/

32kB

32-64kB/

32kB

Arm Cortex-A Processor Comparison Table