AMD A4-9120C vs AMD Ryzen 9 5900. Specifications

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

• CPU group
  AMD A4-9000 AMD Ryzen 5000
• Family
  AMD A AMD Ryzen
• Generation
  6 4
• Predecessor
  - AMD Ryzen 9 3900
• Segment
  Mobile Desktop / Server

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  1.6 GHz 3.5 GHz
• Core architecture
  normal normal
• CPU Cores
  2 12
• CPU Threads
  2 24
• Hyperthreading / SMT
  No Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  2.4 GHz 4.7 GHz
• Turbo Frequency (2 Cores)
  2 GHz -
• Turbo Frequency (12 Cores)
  - 4.3 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 -
• Execution units
  3 -
• Generation
  7 -
• GPU Frequency
  600 MHz -
• GPU name
  AMD Radeon R4 (Stoney Ridge) no iGPU
• GPU Turbo
  No turbo No turbo
• Max. displays
  3 -
• Max. GPU Memory
  2 GB -
• Release date
  Q2/2016 -
• Shader
  192 -
• Technology
  28 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 No
• h265 / HEVC (8 bit)
  Decode No
• h265 / HEVC (10 bit)
  Decode No
• JPEG
  Decode / Encode No
• VC-1
  Decode No
• VP8
  Decode No
• VP9
  Decode No

Types, channel quantity of RAM supported by AMD Ryzen 9 5900 and AMD A4-9120C. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  8 GB 128 GB
• Memory channels
  1 2
• Memory type
  DDR4-1866 DDR4-3200
• PCIe lanes
  8 20
• PCIe version
  3.0 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD A4-9120C and AMD Ryzen 9 5900 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 95 °C
• TDP (PL1, legacy label)
  6 W 65 W

Architecture, interfaces, additional instructions supported by AMD A4-9120C and AMD Ryzen 9 5900, virtual machine technologies and process technology.

• Architecture
  Stoney Ridge (Excavator) Vermeer (Zen 3)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  - 6 MB
• L3-Cache
  2 MB 64 MB
• Release date
  Q1/2019 Q2/2021
• Socket
  FP4 AM4
• Technology
  28 nm 7 nm
• Virtualization
  AMD-V AMD-V, SVM