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Apple A5 (iPhone 4s) information

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Type:SoC Manufacturer:Apple
family:A5 microprocessors:Apple A5 (iPhone 4s)
Type System-on-a-Chip
Market segment Mobile
Family
Apple A5
Model number    A5
SoC part number
  • A5 (iPhone 4s) is an OEM/tray SoC
Frequency    800 MHz [1]
Package Package-on-Package
Socket BGA
Introduction date October 4, 2011 (announcement)
October 14, 2011 (availability)
Architecture / Microarchitecture
Microarchitecture ARMv7-A
Processor core    Cortex-A9
Manufacturing process 0.045 micron
Die size 122mm2
Data width 32 bit
The number of cores 2
The number of threads 2
Floating Point Unit Integrated
Level 1 cache size    2 x 32 KB instruction caches
2 x 32 KB data caches
Level 2 cache size    Shared 1 MB cache
Level 3 cache size None
Pipeline 9 stages
Features NEON technology [1]
On-chip RAM 512 MB
Integrated peripherals / components
Integrated graphics GPU Type: PowerVR 543MP2
Compute cores: 2
Memory controller The number of controllers: 1
Memory channels: 2
Channel width (bits): 32
Supported memory: LPDDR2-800
Maximum memory bandwidth (GB/s): 6.4
Electrical / Thermal parameters
Notes on Apple A-Series A5
  • This SoC was used in Apple iPhone 4s smartphones

[1] - Information is not confirmed


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