Intel Core i7-6700 vs Intel Core i7-4790K. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Core i7 Intel Core i7
• Generation
  6 4
• CPU group
  Intel Core i 6000 Intel Core i 4000
• Successor
  Intel Core i7-7700 --

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
  3.40 GHz 4.00 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  4.00 GHz 4.40 GHz
• CPU Threads
  8 8
• Turbo (4 Cores)
  3.70 GHz 4.20 GHz
• Hyperthreading
  Yes Yes
• Overclocking
  No 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
  Intel HD Graphics 530 Intel HD Graphics 4600
• GPU frequency
  0.35 GHz 0.35 GHz
• GPU (Turbo)
  1.15 GHz 1.25 GHz
• Execution units
  24 20
• Shader
  192 160
• Max. GPU Memory
  64 GB 2 GB
• Max. displays
  3 3
• Generation
  9 7.5
• DirectX Version
  12 11.1
• Technology
  14 nm 22 nm
• Release date
  Q3/2015 Q2/2013

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

• h265 / HEVC (8 bit)
  Decode / Encode No
• h265 / HEVC (10 bit)
  Decode No
• h264
  Decode / Encode Decode / Encode
• VP9
  Decode No
• VP8
  Decode / Encode No
• AV1
  No No
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode

Types, channel quantity of RAM supported by Intel Core i7-4790K and Intel Core i7-6700. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Max. Memory
  64 GB 32 GB
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  3.0 3.0
• PCIe lanes
  16 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i7-6700 and Intel Core i7-4790K to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  65 W 88 W

Architecture, interfaces, additional instructions supported by Intel Core i7-6700 and Intel Core i7-6700, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
• L3-Cache
  8.00 MB 8.00 MB
• Architecture
  Skylake S Devils Canyon S
• Technology
  14 nm 22 nm
• Socket
  LGA 1151 LGA 1150
• Release date
  Q3/2015 Q2/2014