AMD Athlon II X4 631 vs AMD A4-4020. Specifications, performance, tests

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

• Family
  AMD Athlon II AMD A
• CPU group
  AMD Athlon II X4 (Llano) AMD A4-4000
• Segment
  Desktop / Server Desktop / Server
• Generation
  2 2

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.

• Core architecture
  normal normal
• Overclocking
  No Yes
• Frequency
  2.60 GHz 3.20 GHz

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

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

Overview of the types and quantities of RAM supported by AMD A4-4020 and AMD Athlon II X4 631. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR3-1333 DDR3-1333
• Max. Memory
  16 GB
• Memory channels
  2 2
• ECC
  No No

Analyze the TDP (Thermal Design Power) requirements of AMD Athlon II X4 631 and AMD A4-4020 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  100 W 65 W

Information on architecture, interfaces, and additional instructions supported by AMD Athlon II X4 631 and AMD A4-4020, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, 3DNow!, SSE3, SSE4a SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L2-Cache
  4.00 MB --
• L3-Cache
  -- 1.00 MB
• Architecture
  Llano Richland (Piledriver)
• Technology
  32 nm 32 nm
• Virtualization
  AMD-V AMD-V
• Socket
  FM1 FM2
• Release date
  Q3/2011 Q1/2014