Intel Core i5-9400 vs AMD Ryzen 9 3900. Specifications, performance, tests

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

• CPU group
  Intel Core i 9000 AMD Ryzen 3000
• Family
  Intel Core i5 AMD Ryzen
• Generation
  9 3
• Predecessor
  Intel Core i5-8400 -
• Segment
  Desktop / Server Desktop / Server
• Successor
  Intel Core i5-10400 AMD Ryzen 9 5900

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

• Base Frequency
  2.9 GHz 3.1 GHz
• Core architecture
  normal normal
• CPU Cores
  6 12
• CPU Threads
  6 24
• Hyperthreading / SMT
  No Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  4.1 GHz 4.3 GHz
• Turbo Frequency (6 Cores)
  3.9 GHz -
• Turbo Frequency (12 Cores)
  - No turbo

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 -
• Execution units
  24 -
• Generation
  9.5 -
• GPU Frequency
  350 MHz -
• GPU name
  Intel UHD Graphics 630 no iGPU
• GPU Turbo
  1050 MHz No turbo
• 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
  Decode / Encode No
• h265 / HEVC (8 bit)
  Decode / Encode No
• h265 / HEVC (10 bit)
  Decode / Encode No
• JPEG
  Decode / Encode No
• VC-1
  Decode No
• VP8
  Decode / Encode No
• VP9
  Decode / Encode No

Types, channel quantity of RAM supported by AMD Ryzen 9 3900 and Intel Core i5-9400. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 2
• Memory type
  DDR4-2666 DDR4-3200
• PCIe lanes
  16 20
• PCIe version
  3.0 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i5-9400 and AMD Ryzen 9 3900 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  100 °C 95 °C
• TDP (PL1, legacy label)
  65 W 65 W

Architecture, interfaces, additional instructions supported by Intel Core i5-9400 and AMD Ryzen 9 3900, virtual machine technologies and process technology.

• Architecture
  Coffee Lake S Refresh Matisse (Zen 2)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  9.00 MB 64.00 MB
• Release date
  Q2/2019 Q3/2019
• Socket
  LGA 1151-2 AM4
• Technology
  14 nm 7 nm
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM