Apple A9X vs Apple A8. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Mobile Mobile
• Family
  Apple A series Apple A series
• Generation
  9 8
• CPU group
  Apple A9/A9X Apple A8/A8X
• Predecessor
  Apple A8X Apple A7
• Successor
  Apple A10X Fusion Apple A9

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  2.16 GHz 1.10 GHz
• CPU Cores
  2 2
• Turbo (1 Core)
  2.26 GHz 1.50 GHz
• CPU Threads
  2 2
• Turbo (2 Cores)
  2.26 GHz 1.50 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  normal normal
• A core
  2x Twister 2x Typhoon

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Apple A9X Apple A8
• GPU frequency
  0.65 GHz 0.53 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  12 4
• Shader
  384 128
• Max. GPU Memory
  4 GB 4 GB
• Max. displays
  1 1
• Generation
  6 5
• Technology
  16 nm 20 nm
• Release date
  Q3/2015 Q3/2014

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• h264
  Decode / Encode Decode
• VP9
  No No
• VP8
  Decode No
• AV1
  No No
• AVC
  Decode Decode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Overview of the types and quantities of RAM supported by Apple A8 and Apple A9X. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  LPDDR4-3200 LPDDR3-1600
• Max. Memory
  4 GB 2 GB
• ECC
  No No
• Memory channels
  2 1

• AES-NI
  No No

Analyze the TDP (Thermal Design Power) requirements of Apple A9X and Apple A8 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  8 W 5 W

Information on architecture, interfaces, and additional instructions supported by Apple A9X and Apple A8, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  None None
• L2-Cache
  3.00 MB 1.00 MB
• L3-Cache
  -- 4.00 MB
• Architecture
  A9 A8
• Technology
  16 nm 20 nm
• Socket
  N/A N/A
• Release date
  Q3/2015 Q3/2014