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

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

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

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• 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 --

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in 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

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• 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

Overview of the types and quantities of RAM supported by Qualcomm Snapdragon 425 and Qualcomm Snapdragon 835. The supported memory frequencies may vary depending on the motherboard configuration.

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

• AES-NI
  No No

Analyze the TDP (Thermal Design Power) requirements of Qualcomm Snapdragon 835 and Qualcomm Snapdragon 425 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

Information on architecture, interfaces, and additional instructions supported by Qualcomm Snapdragon 835 and Qualcomm Snapdragon 425, including virtual machine technologies and fabrication processes.

• 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