AMD A6-6420K vs Intel Xeon E5-2643 v3. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD A Intel Xeon E5
• Generation
  3 5
• CPU group
  AMD A6-6000 Intel Xeon E5 v3
• Successor
  -- Intel Xeon E5-2643 v4

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
  4.00 GHz 3.40 GHz
• CPU Cores
  2 6
• Turbo (1 Core)
  4.20 GHz 3.70 GHz
• CPU Threads
  2 12
• Hyperthreading
  No Yes
• Overclocking
  Yes No
• 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 no iGPU
• GPU frequency
  0.80 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  3
• Shader
  192
• Max. GPU Memory
  2 GB --
• Max. displays
  2
• Generation
  5
• DirectX Version
  11.2
• Technology
  32 nm
• Release date
  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 No
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  Decode No
• VC-1
  Decode No
• JPEG
  Decode / Encode No

Types, channel quantity of RAM supported by Intel Xeon E5-2643 v3 and AMD A6-6420K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1866 DDR4-2133
• ECC
  No Yes
• Memory channels
  2 4
• PCIe version
  3.0
• PCIe lanes
  40

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD A6-6420K and Intel Xeon E5-2643 v3 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  65 W 135 W

Architecture, interfaces, additional instructions supported by AMD A6-6420K and AMD A6-6420K, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4.1, SSE4.2, AVX2
• L3-Cache
  1.00 MB 20.00 MB
• Architecture
  Richland (Piledriver) Haswell E
• Technology
  32 nm 22 nm
• Socket
  FM2 LGA 2011-3
• Release date
  Q1/2014 Q3/2014