UNISOC SC9863A vs UNISOC T618. Specifications, performance, tests

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

• Family
  UNISOC 4G UNISOC 4G
• CPU group
  UNISOC 4G 28nm UNISOC 4G 12nm
• Segment
  Mobile Mobile
• Generation
  0 --

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.

• CPU Cores / Threads
  8 / 8 8 / 8
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  4x Cortex-A55 2x Cortex-A75
• B-Core
  4x Cortex-A55 6x Cortex-A55
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• A-Core Frequency
  1.20 GHz 2.00 GHz
• B-Core Frequency
  1.60 GHz 2.00 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.

• GPU name
  PowerVR GE8322 ARM Mali-G52 MP2
• GPU frequency
  0.55 GHz 0.85 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  1 2
• Shader
  0 32
• Max. displays
  1 2
• Generation
  Bifrost 2
• Direct X
  10 12
• Technology
  20 nm 16 nm
• Release date
  Q1/2017 Q3/2020

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

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

• Memory type
  LPDDR3LPDDR4LPDDR4X LPDDR3-933LPDDR4-1866LPDDR4X-1866
• Max. Memory
  --
• Memory channels
  0 2 (Dual Channel)
• ECC
  No No
• PCIe
  --
• AES-NI
  No No

Compare the TDP requirements of TDP UNISOC SC9863A and UNISOC T618 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1 / PBP)
  --

Architecture, interfaces, additional instructions supported by UNISOC SC9863A and UNISOC SC9863A, virtual machine technologies and process technology.

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