Qualcomm Snapdragon 425 vs MediaTek Helio A20. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Qualcomm Snapdragon Mediatek Helio
• Generation
  3 2
• CPU group
  Qualcomm Snapdragon 425/427 MediaTek Helio A20/A25

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
  1.40 GHz 1.50 GHz
• Overclocking
  No No
• Core architecture
  normal normal

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 308 PowerVR GE8300
• GPU frequency
  0.50 GHz 0.55 GHz
• GPU (Turbo)
  0.50 GHz No turbo
• Execution units
  0 1
• Shader
  24 0
• Max. displays
  0 1
• Generation
  3
• Technology
  28 nm 20 nm
• Release date
  Q1/2016 Q1/2017

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

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

Types, channel quantity of RAM supported by MediaTek Helio A20 and Qualcomm Snapdragon 425. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR3-667 LPDDR3-933LPDDR4X-1600
• Max. Memory
  3 GB
• ECC
  No No
• Memory channels
  1 1

Compare the TDP requirements of TDP Qualcomm Snapdragon 425 and MediaTek Helio A20 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 425 and Qualcomm Snapdragon 425, virtual machine technologies and process technology.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• Architecture
  Cortex-A53 Cortex-A53 / Cortex-A53
• Technology
  28 nm 12 nm
• Socket
  N/A N/A
• Release date
  Q3/2016 Q2/2020
• Part Number
  MSM8917 --