AMD A4-4000 vs AMD A4-4020. Specifications, performance, tests

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

• CPU group
  AMD A4-4000 AMD A4-4000
• Generation
  2 2
• Family
  AMD A AMD A
• Segment
  Desktop / Server Desktop / Server

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Core architecture
  normal normal
• Overclocking
  No Yes
• Hyperthreading
  No No
• Turbo (2 Cores)
  3.20 GHz 3.40 GHz
• CPU Threads
  2 2
• Turbo (1 Core)
  3.20 GHz 3.40 GHz
• CPU Cores
  2 2
• Frequency
  3.00 GHz 3.20 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.

• Release date
  Q2/2012 Q2/2012
• Technology
  32 nm 32 nm
• DirectX Version
  11 11
• Generation
  4 4
• Max. displays
  2 2
• Max. GPU Memory
  2 GB 2 GB
• Shader
  128 128
• Execution units
  2 2
• GPU (Turbo)
  No turbo No turbo
• GPU frequency
  0.72 GHz 0.72 GHz
• GPU name
  AMD Radeon HD 7480D AMD Radeon HD 7480D

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

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

Types, channel quantity of RAM supported by AMD A4-4020 and AMD A4-4000. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory channels
  2 2
• ECC
  No No
• Memory type
  DDR3-1333 DDR3-1333

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD A4-4000 and AMD A4-4020 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  65 W 65 W

Architecture, interfaces, additional instructions supported by AMD A4-4000 and AMD A4-4000, virtual machine technologies and process technology.

• Release date
  Q2/2013 Q1/2014
• Socket
  FM2 FM2
• Technology
  32 nm 32 nm
• Architecture
  Richland (Piledriver) Richland (Piledriver)
• L3-Cache
  1.00 MB 1.00 MB
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• Virtualization
  AMD-V AMD-V
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)