Apple A9 processor review

A9 processor released by Apple; release date: 9 Sep 2015. The processor is based on Twister microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 2, threads - 2. Maximum CPU clock speed - 1.85 GHz. Manufacturing process technology - 16 nm. Cache size: L1 - 64 KB instruction + 64 KB data (per core), L2 - 3 MB (shared), L3 - 4 MB (shared).

Supported memory types: LPDDR4-3200. Maximum memory size: 2 GB.

The processor has integrated graphics Custom PowerVR Series 7XT @ 650MHz with the following parameters: cores count - 6.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4870

1187

PassMark
CPU mark

Top 1 CPU

This CPU

156834

2067

Name	Value
PassMark - Single thread mark	1187
PassMark - CPU mark	2067

Integrated graphics – Apple A9

Technical info
Core clock speed	650 MHz
Manufacturing process technology	16 nm
Peak Single Precision (FP32) Performance	249.6 GFLOPS
Pipelines	6
Render output units	24

Specifications (specs)

Essentials
Architecture codename	Twister
Launch date	9 Sep 2015
OS Support	iOS 9.0, iOS 15.7.5, iPadOS 16.4.1, tvOS 16.2
Place in performance rating	2056
Processor Number	APL1021
Performance
Base frequency	1.85 GHz
L1 cache	64 KB instruction + 64 KB data (per core)
L2 cache	3 MB (shared)
L3 cache	4 MB (shared)
Manufacturing process technology	16 nm
Maximum frequency	1.85 GHz
Number of cores	2
Number of threads	2
Transistor count	2 billion

Memory
Max memory channels	1
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	2 GB
Supported memory types	LPDDR4-3200
Graphics
Execution Units	24
Graphics base frequency	650 MHz
iGPU core count	6
Processor graphics	Custom PowerVR Series 7XT @ 650MHz