Qualcomm Snapdragon 821 vs Apple A11 Bionic. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• Family
  Qualcomm Snapdragon Apple A series
• CPU group
  Qualcomm Snapdragon 820 Apple A11
• Segment
  Mobile Mobile
• Generation
  3 11
• Predecessor
  -- Apple A10 Fusion
• Successor
  -- Apple A12 Bionic

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• Frequency
  1.60 GHz 1.42 GHz
• Turbo (1 Core)
  2.40 GHz 2.39 GHz
• Hyperthreading
  No No
• Overclocking
  No No

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU name
  Qualcomm Adreno 530 Apple A11
• GPU frequency
  0.62 GHz 1.42 GHz
• GPU (Turbo)
  0.62 GHz 2.39 GHz
• Execution units
  0 3
• Shader
  256 0
• Max. GPU Memory
  -- 3 GB
• Max. displays
  0 1
• Generation
  5 8
• Technology
  14 nm 10 nm
• Release date
  Q4/2015 Q3/2017

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

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

Types, channel quantity of RAM supported by Apple A11 Bionic and Qualcomm Snapdragon 821. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR4-1866 LPDDR4X-4266
• Max. Memory
  16 GB
• Memory channels
  4 1
• ECC
  No No

Compare the TDP requirements of TDP Qualcomm Snapdragon 821 and Apple A11 Bionic to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  8 W

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 821 and Qualcomm Snapdragon 821, virtual machine technologies and process technology.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) x86-64 (64 bit)
• L2-Cache
  -- 8.00 MB
• Architecture
  Kryo A11
• Technology
  14 nm 10 nm
• Virtualization
  None None
• Socket
  N/A N/A
• Release date
  Q3/2016 Q3/2017
• Part Number
  MSM8996 Pro-AB --