HiSilicon Kirin 820 5G vs HiSilicon Kirin 985 5G. Specifications, performance, tests

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

• CPU group
  HiSilicon Kirin 810/820 HiSilicon Kirin 980
• Family
  HiSilicon Kirin HiSilicon Kirin
• Generation
  6 7
• 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-A76 1x Cortex-A76
• B-Core
  4x Cortex-A55 3x Cortex-A76
• Base Frequency
  1.84 GHz 1.84 GHz
• C-Core
  - 4x Cortex-A55
• Core architecture
  hybrid (big.LITTLE) hybrid (Prime / big.LITTLE)
• CPU Cores
  8 8
• CPU Threads
  8 8
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  2.36 GHz 2.4 GHz
• Turbo Frequency (8 Cores)
  2.36 GHz 2.58 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.

• DirectX Version
  12 12
• Execution units
  6 8
• Generation
  Vallhall 1 Vallhall 1
• GPU Frequency
  850 MHz 800 MHz
• GPU name
  ARM Mali-G57 MP6 ARM Mali-G77 MP8
• GPU Turbo
  No turbo No turbo
• Max. displays
  2 1
• Max. GPU Memory
  4 GB 4 GB
• Release date
  Q2/2020 Q2/2019
• Shader
  96 128
• Technology
  7 nm 7 nm

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

• AV1
  Decode Decode
• H.264 / AVC
  Decode / Encode Decode / Encode
• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• JPEG
  Decode / Encode Decode / Encode
• VC-1
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by HiSilicon Kirin 985 5G and HiSilicon Kirin 820 5G. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  4 4
• Memory type
  LPDDR4X-2133 LPDDR4X-2133

• AES-NI
  No No

Compare the TDP requirements of TDP HiSilicon Kirin 820 5G and HiSilicon Kirin 985 5G Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• TDP (PL1, legacy label)
  6 W -

Architecture, interfaces, additional instructions supported by HiSilicon Kirin 820 5G and HiSilicon Kirin 985 5G, virtual machine technologies and process technology.

• Architecture
  Cortex-A76 / Cortex-A55 Cortex-A76 / Cortex-A55
• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• L3-Cache
  2.00 MB -
• Part Number
  - Hi6290
• Release date
  Q2/2019 Q2/2020
• Technology
  7 nm 7 nm
• Virtualization
  None None