Intel Core i5-6400 vs AMD Phenom II X4 955. Specifications, performance, tests

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

• CPU group
  Intel Core i 6000 AMD Phenom II - 800/900
• Family
  Intel Core i5 AMD Phenom II
• Generation
  6 4
• Segment
  Desktop / Server Desktop / Server
• Successor
  Intel Core i5-7400 -

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

• Base Frequency
  2.7 GHz 3.2 GHz
• Core architecture
  normal normal
• CPU Cores
  4 4
• CPU Threads
  4 4
• Hyperthreading / SMT
  No No
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  3.3 GHz No turbo
• Turbo Frequency (4 Cores)
  3 GHz No turbo

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
  12 -
• Execution units
  24 -
• Generation
  9 -
• GPU Frequency
  350 MHz -
• GPU name
  Intel HD Graphics 530 no iGPU
• GPU Turbo
  1150 MHz No turbo
• Max. displays
  3 -
• Max. GPU Memory
  64 GB -
• Release date
  Q3/2015 -
• Shader
  192 -
• Technology
  14 nm -

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

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

Types, channel quantity of RAM supported by AMD Phenom II X4 955 and Intel Core i5-6400. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  64 GB -
• Memory channels
  2 2
• Memory type
  DDR3-1600DDR4-2133 DDR2-1066
• PCIe lanes
  16 -
• PCIe version
  3.0 -

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Core i5-6400 and AMD Phenom II X4 955 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)
  65 W 125 W

Architecture, interfaces, additional instructions supported by Intel Core i5-6400 and AMD Phenom II X4 955, virtual machine technologies and process technology.

• Architecture
  Skylake S Deneb (K10)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE3, SSE4a
• L3-Cache
  6 MB 6 MB
• Release date
  Q3/2015 Q2/2009
• Socket
  LGA 1151 AM3
• Technology
  14 nm 45 nm
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V