AMD Athlon II X4 631 vs AMD Athlon II X4 641. Specifications, performance, tests

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

• CPU group
  AMD Athlon II X4 (Llano) AMD Athlon II X4 (Llano)
• Family
  AMD Athlon II AMD Athlon II
• 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 2.8 GHz
• Core architecture
  normal normal
• Core Configuration
  4x 4x
• CPU Cores
  4 4
• CPU Threads
  4 4
• Hyperthreading / SMT
  No No
• Overclocking
  No No

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
  no iGPU no iGPU
• GPU Turbo
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by AMD Athlon II X4 641 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 16 GB
• Memory Bandwidth
  21.3 GB/s 21.3 GB/s
• Memory channels
  2 2
• Memory type
  DDR3-1333 DDR3-1333
• PCIe
  2.0 2.0

• AES-NI
  No No

Compare the TDP requirements of TDP AMD Athlon II X4 631 and AMD Athlon II X4 641 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 100 W

Architecture, interfaces, additional instructions supported by AMD Athlon II X4 631 and AMD Athlon II X4 641, virtual machine technologies and process technology.

• Architecture
  Llano Llano
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, 3DNow!, SSE3, SSE4a MMX, 3DNow!, SSE3, SSE4a
• L2-Cache
  4 MB 4 MB
• Part Number
  - AD638XOJGXBOX
• Release date
  Q3/2011 Q1/2012
• Socket
  FM1 FM1
• Technology
  32 nm 32 nm
• Virtualization
  AMD-V AMD-V