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

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

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

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• A-Core
  4x Kryo 260 Gold 2x Kryo
• B-Core
  4x Kryo 260 Silver 2x Kryo
• Base Frequency
  1.84 GHz 1.6 GHz
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• CPU Cores
  8 4
• CPU Threads
  8 4
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  2.2 GHz 2.15 GHz
• Turbo Frequency (8 Cores)
  1.84 GHz -
• Turbo Frequency (4 Cores)
  - 2.15 GHz

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

• DirectX Version
  11 11,1
• Execution units
  0 0
• Generation
  5 5
• GPU Frequency
  600 MHz 620 MHz
• GPU name
  Qualcomm Adreno 512 Qualcomm Adreno 530
• GPU Turbo
  600 MHz 620 MHz
• Max. displays
  0 0
• Release date
  Q4/2015 Q4/2015
• Shader
  128 256
• Technology
  14 nm 14 nm

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

• AV1
  No No
• H.264 / AVC
  Conflicting source values: Decode | No Conflicting source values: Decode | No
• h265 / HEVC (8 bit)
  Decode Decode
• h265 / HEVC (10 bit)
  No No
• JPEG
  Decode Decode
• VC-1
  Decode Decode
• VP8
  Decode Decode
• VP9
  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.

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

• AES-NI
  No No

Compare the TDP requirements of TDP Qualcomm Snapdragon 660 non LTE and Qualcomm Snapdragon 820 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 660 non LTE and Qualcomm Snapdragon 820, virtual machine technologies and process technology.

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