AMD Phenom II X4 955 vs Intel Core i5-2500k. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD Phenom II Intel Core i5
• Generation
  4 2
• CPU group
  AMD Phenom II - 800/900 Intel Core i 2000

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
  3.20 GHz 3.30 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  No turbo 3.70 GHz
• CPU Threads
  4 4
• Turbo (4 Cores)
  No turbo 3.70 GHz
• Hyperthreading
  No No
• Overclocking
  Yes Yes
• 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
  no iGPU Intel HD Graphics 3000
• GPU frequency
  0.85 GHz
• GPU (Turbo)
  No turbo 1.10 GHz
• Execution units
  12
• Shader
  96
• Max. displays
  2
• Generation
  6
• DirectX Version
  10.1
• Technology
  32 nm
• Release date
  Q1/2011

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
  No Decode / Encode
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  No Decode / Encode
• VC-1
  No Decode
• JPEG
  No No

Types, channel quantity of RAM supported by Intel Core i5-2500k and AMD Phenom II X4 955. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR2-1066
• Max. Memory
  32 GB
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  2.0
• PCIe lanes
  16

• AES-NI
  No Yes

Compare the TDP requirements of TDP AMD Phenom II X4 955 and Intel Core i5-2500k to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  125 W 95 W

Architecture, interfaces, additional instructions supported by AMD Phenom II X4 955 and AMD Phenom II X4 955, 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
• ISA extensions
  SSE3, SSE4a SSE4.1, SSE4.2, AVX
• L3-Cache
  6.00 MB 6.00 MB
• Architecture
  Deneb (K10) Sandy Bridge S
• Technology
  45 nm 32 nm
• Socket
  AM3 LGA 1155
• Release date
  Q2/2009 Q1/2011