Qualcomm Snapdragon 660 non LTE vs Qualcomm Snapdragon 820. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• Generation
  5 3
• CPU group
  Qualcomm Snapdragon 660 Qualcomm Snapdragon 820

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.

• Frequency
  1.84 GHz 1.60 GHz
• Turbo (1 Core)
  2.20 GHz 2.15 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)

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 512 Qualcomm Adreno 530
• GPU frequency
  0.60 GHz 0.62 GHz
• GPU (Turbo)
  0.60 GHz 0.62 GHz
• Shader
  128 256
• Generation
  5 5
• Technology
  14 nm 14 nm
• Release date
  Q4/2015 Q4/2015

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 No
• h264
  Decode Decode
• VP9
  Decode Decode
• VP8
  Decode Decode
• AV1
  No No
• AVC
  No No
• VC-1
  Decode Decode
• JPEG
  Decode Decode

Types, channel quantity of RAM supported by Qualcomm Snapdragon 820 and Qualcomm Snapdragon 660 non LTE. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR4-1866 LPDDR4-1866
• ECC
  No No
• Memory channels
  2 4

Compare the TDP requirements of TDP Qualcomm Snapdragon 660 non LTE and Qualcomm Snapdragon 820 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 660 non LTE and Qualcomm Snapdragon 660 non LTE, virtual machine technologies and process technology.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• Architecture
  Kryo 260 Kryo
• Technology
  14 nm 14 nm
• Socket
  N/A N/A
• Release date
  Q2/2017 Q4/2015
• Part Number
  SDA660 MSM8996