AMD Ryzen 7 5800X3D vs Intel Core i5-8400. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 5000 Intel Core i 8000
• Family
  Ryzen Intel Core i5
• Form Factor
  Desktops / Boxed Processor -
• Generation
  4 8
• Predecessor
  - Intel Core i5-7400
• Segment
  Desktop Desktop / Server
• Series
  Ryzen 5000 Series -
• Successor
  - Intel Core i5-9400

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

• Base Frequency
  3.4 GHz 2.8 GHz
• Core architecture
  normal normal
• CPU Cores
  8 6
• CPU Threads
  16 6
• Hyperthreading / SMT
  Yes No
• Max. Boost Clock
  4.5 GHz -
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  4.5 GHz 4 GHz
• Turbo Frequency (8 Cores)
  4.2 GHz -
• Turbo Frequency (6 Cores)
  - 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.

• GPU name
  None Intel UHD Graphics 630
• DirectX Version
  - 12
• Execution units
  - 24
• Generation
  - 9.5
• GPU Frequency
  - 350 MHz
• GPU Turbo
  - 1150 MHz
• Max. displays
  - 3
• Max. GPU Memory
  - 64 GB
• Release date
  - Q4/2017
• 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
  No Decode / Encode
• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• JPEG
  No Decode / Encode
• VC-1
  No Decode
• VP8
  No Decode / Encode
• VP9
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i5-8400 and AMD Ryzen 7 5800X3D. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes No
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 2
• Memory type
  DDR4 DDR4-2666
• PCIe
  PCIe 4.0 -
• PCIe lanes
  - 16
• PCIe version
  - 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 7 5800X3D and Intel Core i5-8400 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Default TDP
  105 W -
• Maximum Operating Temperature
  90 °C -
• TDP (PL1, legacy label)
  105 W 65 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 5800X3D and Intel Core i5-8400, virtual machine technologies and process technology.

• Architecture
  Vermeer (Zen 3) Coffee Lake S
• Codename
  Vermeer -
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2
• L2-Cache
  4 MB -
• L3-Cache
  96 MB 9 MB
• Release date
  2022-04-20 Q4/2017
• Socket
  AM4 LGA 1151-2
• Technology
  TSMC 7nm FinFET 14 nm
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d