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

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

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

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  2.6 GHz 3.2 GHz
• Core architecture
  normal normal
• Core Configuration
  4x -
• CPU Cores
  4 2
• CPU Threads
  4 2
• Hyperthreading / SMT
  No No
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  - 3.4 GHz
• Turbo Frequency (2 Cores)
  - 3.4 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.

• DirectX Version
  - 11
• Execution units
  - 2
• Generation
  - 4
• GPU Frequency
  - 720 MHz
• GPU name
  no iGPU AMD Radeon HD 7480D
• GPU Turbo
  No turbo No turbo
• Max. displays
  - 2
• Max. GPU Memory
  - 2 GB
• Release date
  - Q2/2012
• Shader
  - 128
• Technology
  - 32 nm

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

• AV1
  No No
• H.264 / AVC
  No Decode
• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  No Decode / Encode
• VC-1
  No Decode
• VP8
  No No
• VP9
  No No

Types, channel quantity of RAM supported by AMD A4-4020 and AMD Athlon II X4 631. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  16 GB -
• Memory Bandwidth
  21.3 GB/s -
• Memory channels
  2 2
• Memory type
  DDR3-1333 DDR3-1333
• PCIe
  2.0 -

• AES-NI
  No Yes

Compare the TDP requirements of TDP AMD Athlon II X4 631 and AMD A4-4020 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• TDP (PL1, legacy label)
  100 W 65 W

Architecture, interfaces, additional instructions supported by AMD Athlon II X4 631 and AMD A4-4020, virtual machine technologies and process technology.

• Architecture
  Llano Richland (Piledriver)
• 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 MB -
• L3-Cache
  - 1 MB
• Release date
  Q3/2011 Q1/2014
• Socket
  FM1 FM2
• Technology
  32 nm 32 nm
• Virtualization
  AMD-V AMD-V