Intel Core i5-6600 vs Intel Core i7-2600K. Specifications, performance, tests

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

• CPU group
  Intel Core i 6000 Intel Core i 2000
• Family
  Intel Core i5 Intel Core i7
• Generation
  6 2
• Segment
  Desktop / Server Desktop / Server
• Successor
  Intel Core i5-7600 -

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

• Base Frequency
  3.3 GHz 3.4 GHz
• Core architecture
  normal normal
• CPU Cores
  4 4
• CPU Threads
  4 8
• Hyperthreading / SMT
  No Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  3.9 GHz 3.8 GHz
• Turbo Frequency (4 Cores)
  3.6 GHz 3.8 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
  12 10.1
• Execution units
  24 12
• Generation
  9 6
• GPU Frequency
  350 MHz 850 MHz
• GPU name
  Intel HD Graphics 530 Intel HD Graphics 3000
• GPU Turbo
  1150 MHz 1350 MHz
• Max. displays
  3 2
• Max. GPU Memory
  64 GB -
• Release date
  Q3/2015 Q1/2011
• Shader
  192 96
• Technology
  14 nm 32 nm

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

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

Types, channel quantity of RAM supported by Intel Core i7-2600K and Intel Core i5-6600. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  64 GB 32 GB
• Memory channels
  2 2
• Memory type
  DDR3-1600DDR4-2133 DDR3-1066DDR3-1333
• PCIe lanes
  16 16
• PCIe version
  3.0 2.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i5-6600 and Intel Core i7-2600K 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 95 W

Architecture, interfaces, additional instructions supported by Intel Core i5-6600 and Intel Core i7-2600K, virtual machine technologies and process technology.

• Architecture
  Skylake S Sandy Bridge S
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX
• L3-Cache
  6 MB 8 MB
• Release date
  Q3/2015 Q1/2011
• Socket
  LGA 1151 LGA 1155
• Technology
  14 nm 32 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT