Intel Pentium Gold G6420 vs Intel Core i7-7800X. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Pentium Intel Core i7
• Generation
  10 7
• CPU group
  Intel Pentium G6000 Intel Core i 7000X

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
  4.00 GHz 3.50 GHz
• CPU Cores
  2 6
• Turbo (1 Core)
  No turbo 4.20 GHz
• CPU Threads
  4 12
• 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 610 no iGPU
• GPU frequency
  0.35 GHz
• GPU (Turbo)
  1.05 GHz No turbo
• Execution units
  12
• Shader
  96
• Max. GPU Memory
  32 GB --
• Max. displays
  3
• Generation
  9.5
• DirectX Version
  12
• Technology
  14 nm
• Release date
  Q3/2016

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 / Encode No
• h264
  Decode / Encode No
• VP9
  Decode / Encode No
• VP8
  Decode / Encode No
• AV1
  No No
• AVC
  Decode / Encode No
• VC-1
  Decode No
• JPEG
  Decode / Encode No

Types, channel quantity of RAM supported by Intel Core i7-7800X and Intel Pentium Gold G6420. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2400 DDR4-2400
• Max. Memory
  64 GB
• ECC
  Yes No
• Memory channels
  2 4
• PCIe version
  3.0 3.0
• PCIe lanes
  16 28

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Pentium Gold G6420 and Intel Core i7-7800X to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  58 W 140 W

Architecture, interfaces, additional instructions supported by Intel Pentium Gold G6420 and Intel Pentium Gold G6420, 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 SSE4.1, SSE4.2, AVX2, AVX-512
• L3-Cache
  4.00 MB 8.00 MB
• Architecture
  Comet Lake S Skylake X
• Technology
  14 nm 14 nm
• Socket
  LGA 1151 LGA 2066
• Release date
  Q1/2021 Q2/2017