AMD A4-9120C vs Samsung Exynos 7904. Specifications, performance, tests

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

• CPU group
  AMD A4-9000 Samsung Exynos 7872/7884/7885/7904
• Family
  AMD A Samsung Exynos
• Generation
  6 2
• 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
  - 2x Cortex-A73
• B-Core
  - 6x Cortex-A53
• Base Frequency
  1.6 GHz 1.6 GHz
• Core architecture
  normal hybrid (big.LITTLE)
• CPU Cores
  2 8
• CPU Threads
  2 8
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  2.4 GHz 1.8 GHz
• Turbo Frequency (2 Cores)
  2 GHz -
• Turbo Frequency (8 Cores)
  - 1.8 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 11
• Execution units
  3 2
• Generation
  7 Bifrost 1
• GPU Frequency
  600 MHz 770 MHz
• GPU name
  AMD Radeon R4 (Stoney Ridge) ARM Mali-G71 MP2
• GPU Turbo
  No turbo No turbo
• Max. displays
  3 1
• Max. GPU Memory
  2 GB 2 GB
• Release date
  Q2/2016 Q2/2016
• Shader
  192 32
• Technology
  28 nm 16 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 | Decode / Encode Decode / Encode
• h265 / HEVC (8 bit)
  Decode Decode / Encode
• h265 / HEVC (10 bit)
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode
• VC-1
  Decode No
• VP8
  Decode Decode / Encode
• VP9
  Decode No

Types, channel quantity of RAM supported by Samsung Exynos 7904 and AMD A4-9120C. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  8 GB -
• Memory channels
  1 2
• Memory type
  DDR4-1866 LPDDR4-1866
• PCIe lanes
  8 -
• PCIe version
  3.0 -

• AES-NI
  Yes No

Compare the TDP requirements of TDP AMD A4-9120C and Samsung Exynos 7904 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  90 °C -
• TDP (PL1, legacy label)
  6 W -

Architecture, interfaces, additional instructions supported by AMD A4-9120C and Samsung Exynos 7904, virtual machine technologies and process technology.

• Architecture
  Stoney Ridge (Excavator) Cortex-A73 / Cortex-A53
• Instruction set (ISA)
  x86-64 (64 bit) ARMv8-A64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 -
• L3-Cache
  2 MB -
• Release date
  Q1/2019 Q1/2019
• Socket
  FP4 -
• Technology
  28 nm 14 nm
• Virtualization
  AMD-V None