Comparing Apple A4 vs Apple A4

description_compare Apple A4 and Intel Atom Z2420

• Name
  Apple A4 Intel Atom Z2420
• Family
  Apple A series Intel Atom
• CPU group
  Apple A4 Intel Atom Z2400/Z2600
• Segment
  Mobile Mobile
• Generation
  4 3

CPU Cores and Base Frequency

• CPU Cores / Threads
  1 / 1 1 / 2
• Core architecture
  normal normal
• Cores
  1x Cortex-A8 1x
• Hyperthreading / SMT
  No Yes
• Overclocking
  No No
• Frequency
  0.80 GHz 1.20 GHz
• Turbo Frequency (1 Core)
  1.00 GHz --

• GPU name
  PowerVR SGX535 PowerVR SGX540
• GPU frequency
  0.40 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  2 1
• Shader
  2 0
• Max. displays
  1 1
• Direct X
  10.1 10.1
• Technology
  65nm 45nm
• Release date
  Q4/2007 Q1/2008

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

• Memory type
  LPDDR2-800 LPDDR2-800
• Max. Memory
  1 GB
• Memory channels
  1 (Single Channel) 2 (Dual Channel)
• Bandwidth
  -- 6.4 GB/s
• ECC
  No No
• AES-NI
  No No

• TDP (PL1)
  3 W
• Tjunction max.
  -- 90 \xc2\xb0C

• Technology
  45 nm 32 nm
• Chip design
  Chiplet Monolithic
• Socket
  N/A BGA 617
• L2-Cache
  0.51 MB 0.50 MB
• Architecture
  A4 Penwell
• Operating systems
  iOS
• Virtualization
  None None
• Instruction set (ISA)
  ARMv7-A32 (32 bit) x86-64 (64 bit)
• ISA extensions
  MMX, SSE3, SSSE3
• Release date
  Q2/2010 Q1/2013