HiSilicon Kirin 920 vs Intel Atom x7-Z8750. Specifications, performance, tests

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

• CPU group
  HiSilicon Kirin 920 Intel Atom x3/x5/x7
• Family
  HiSilicon Kirin Intel Atom
• Generation
  2 1
• 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-A15 -
• B-Core
  4x Cortex-A7 -
• Base Frequency
  1.3 GHz 1.6 GHz
• Core architecture
  hybrid (big.LITTLE) normal
• CPU Cores
  8 4
• CPU Threads
  8 4
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  1.7 GHz 2.56 GHz
• Turbo Frequency (8 Cores)
  1.7 GHz -
• Turbo Frequency (4 Cores)
  - 2.56 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
  11 12
• Execution units
  4 16
• Generation
  Midgard 2 8
• GPU Frequency
  600 MHz 200 MHz
• GPU name
  ARM Mali-T628 MP4 Intel HD Graphics 405 (16EU)
• GPU Turbo
  600 MHz 600 MHz
• Max. displays
  1 3
• Max. GPU Memory
  - 8 GB
• Release date
  Q4/2012 Q2/2015
• Shader
  64 128
• Technology
  32nm 14 nm

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

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

Types, channel quantity of RAM supported by Intel Atom x7-Z8750 and HiSilicon Kirin 920. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  2 2
• Memory type
  LPDDR3-1600 LPDDR3-1600
• PCIe lanes
  - 2
• PCIe version
  - 2.0

• AES-NI
  No Yes

Compare the TDP requirements of TDP HiSilicon Kirin 920 and Intel Atom x7-Z8750 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)
  - 2 W

Architecture, interfaces, additional instructions supported by HiSilicon Kirin 920 and Intel Atom x7-Z8750, virtual machine technologies and process technology.

• Architecture
  Cortex-A15 / Cortex-A7 Cherry Trail
• Instruction set (ISA)
  ARMv7-A32 (32 bit) x86-64 (64 bit)
• ISA extensions
  - SSE4.1, SSE4.2
• L3-Cache
  - 2 MB
• Release date
  Q3/2014 Q1/2016
• Socket
  - BGA 138
• Technology
  28 nm 14 nm
• Virtualization
  None VT-x, VT-x EPT