AMD A6-6400K vs AMD A6-6420K. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD A AMD A
• Generation
  3 3
• CPU group
  AMD A6-6000 AMD A6-6000

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.

• Frequency
  3.90 GHz 4.00 GHz
• CPU Cores
  2 2
• Turbo (1 Core)
  4.10 GHz 4.20 GHz
• CPU Threads
  2 2
• Turbo (2 Cores)
  4.10 GHz 4.20 GHz
• Hyperthreading
  No No
• Overclocking
  Yes Yes
• Core architecture
  normal normal

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU name
  AMD Radeon HD 8470D AMD Radeon HD 8470D
• GPU frequency
  0.80 GHz 0.80 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  3 3
• Shader
  192 192
• Max. GPU Memory
  2 GB 2 GB
• Max. displays
  2 2
• Generation
  5 5
• DirectX Version
  11.2 11.2
• Technology
  32 nm 32 nm
• Release date
  Q2/2013 Q2/2013

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

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

Types, channel quantity of RAM supported by AMD A6-6420K and AMD A6-6400K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1866 DDR3-1866
• ECC
  No No
• Memory channels
  2 2

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD A6-6400K and AMD A6-6420K 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 A6-6400K and AMD A6-6400K, virtual machine technologies and process technology.

• 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
  1.00 MB 1.00 MB
• Architecture
  Richland (Piledriver) Richland (Piledriver)
• Technology
  32 nm 32 nm
• Socket
  FM2 FM2
• Release date
  Q2/2013 Q1/2014