AMD A4-9120 vs AMD A9-9420. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Mobile Mobile
• Family
  AMD A AMD A
• Generation
  6 4
• CPU group
  AMD A4-9000 AMD A9-9000

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  2.20 GHz 3.00 GHz
• CPU Cores
  2 2
• Turbo (1 Core)
  2.50 GHz 3.60 GHz
• CPU Threads
  2 2
• Turbo (2 Cores)
  2.20 GHz 3.00 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  normal normal

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  AMD Radeon R3 (Stoney Ridge) AMD Radeon R5 (Stoney Ridge)
• GPU frequency
  0.66 GHz 0.85 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  2 3
• Shader
  128 192
• Max. GPU Memory
  2 GB 2 GB
• Max. displays
  3 3
• Generation
  7 7
• DirectX Version
  12 12
• Technology
  28 nm 28 nm
• Release date
  Q2/2016 Q2/2016

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

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

Overview of the types and quantities of RAM supported by AMD A9-9420 and AMD A4-9120. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-2133 DDR4-2133
• Max. Memory
  8 GB 8 GB
• ECC
  No No
• Memory channels
  1 1
• PCIe version
  3.0 3.0
• PCIe lanes
  8 8

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of AMD A4-9120 and AMD A9-9420 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  15 W 15 W
• TDP up
  -- 25 W
• TDP down
  10 W 10 W
• Tjunction max.
  90 °C 90 °C

Information on architecture, interfaces, and additional instructions supported by AMD A4-9120 and AMD A9-9420, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V AMD-V
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L3-Cache
  2.00 MB 2.00 MB
• Architecture
  Stoney Ridge (Excavator) Stoney Ridge (Excavator)
• Technology
  28 nm 28 nm
• Socket
  FP4 FP4
• Release date
  Q2/2017 Q2/2017