Qualcomm Snapdragon 835 vs Qualcomm Snapdragon 425. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• Generation
  4 3
• CPU group
  Qualcomm Snapdragon 830 Qualcomm Snapdragon 425/427

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
  1.90 GHz 1.40 GHz
• CPU Cores
  8 4
• Turbo (1 Core)
  2.45 GHz 1.40 GHz
• CPU Threads
  8 4
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  hybrid (big.LITTLE) normal
• A core
  4x Kryo 280 Gold --
• B core
  4x Kryo 280 Silver --

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 540 Qualcomm Adreno 308
• GPU frequency
  0.71 GHz 0.50 GHz
• GPU (Turbo)
  0.71 GHz 0.50 GHz
• Shader
  384 24
• Generation
  5 3
• DirectX Version
  11.1 11
• Technology
  10 nm 28 nm
• Release date
  Q1/2017 Q1/2016

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 / Encode
• VP9
  Decode No
• VP8
  Decode No
• AV1
  No No
• AVC
  No No
• VC-1
  Decode Decode
• JPEG
  Decode Decode / Encode

Types, channel quantity of RAM supported by Qualcomm Snapdragon 425 and Qualcomm Snapdragon 835. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR4X-1866 LPDDR3-667
• ECC
  No No
• Memory channels
  2 1

• AES-NI
  No No

Compare the TDP requirements of TDP Qualcomm Snapdragon 835 and Qualcomm Snapdragon 425 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 835 and Qualcomm Snapdragon 835, virtual machine technologies and process technology.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• Architecture
  Kryo 280 Cortex-A53
• Technology
  10 nm 28 nm
• Socket
  N/A N/A
• Release date
  Q2/2017 Q3/2016
• Part Number
  MSM8998 MSM8917