UNISOC SC9863A vs UNISOC T618. Specifications, performance, tests

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

• CPU group
  UNISOC 4G 28nm UNISOC 4G 12nm
• Family
  UNISOC 4G UNISOC 4G
• Generation
  0 -
• 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 Cortex-A55 2x Cortex-A75
• A-Core Frequency
  1.2 GHz 2 GHz
• B-Core
  4x Cortex-A55 6x Cortex-A55
• B-Core Frequency
  1.6 GHz 2 GHz
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• CPU Cores
  8 8
• CPU Threads
  8 8
• Hyperthreading / SMT
  No No
• Overclocking
  No No

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
  10 12
• Execution units
  1 2
• Generation
  - Bifrost 2
• GPU Frequency
  550 MHz 850 MHz
• GPU name
  PowerVR GE8322 ARM Mali-G52 MP2
• GPU Turbo
  No turbo No turbo
• Max. displays
  1 2
• Release date
  Q1/2017 Q3/2020
• Shader
  0 32
• Technology
  20 nm 16 nm

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

• AV1
  No No
• H.264 / AVC
  No Decode / Encode
• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• JPEG
  No Decode / Encode
• VC-1
  No Decode / Encode
• VP8
  No Decode / Encode
• VP9
  No Decode / Encode

Types, channel quantity of RAM supported by UNISOC T618 and UNISOC SC9863A. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  0 2 (Dual Channel)
• Memory type
  LPDDR3LPDDR4LPDDR4X LPDDR3-933LPDDR4-1866LPDDR4X-1866

• AES-NI
  No No

Compare the TDP requirements of TDP UNISOC SC9863A and UNISOC T618 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 UNISOC SC9863A and UNISOC T618, virtual machine technologies and process technology.

• Documents
  - Technical data sheet
• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Operating systems
  Android Android
• Release date
  Q2/2019 Q3/2019
• Technology
  28 nm 12 nm
• Virtualization
  None None