AMD Ryzen 5 PRO 9645 vs AMD Ryzen 5 8400F. Specifications, performance, tests

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

• Family
  Ryzen PRO Ryzen
• Form Factor
  Desktops / Boxed Processor Desktops
• Segment
  Desktop Desktop
• Series
  Ryzen PRO 9000 Series Ryzen 8000 Series

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

• Base Frequency
  3.9 GHz 4.2 GHz
• CPU Cores
  6 6
• CPU Threads
  12 12
• Max. Boost Clock
  5.4 GHz 4.7 GHz
• Overclocking
  No Yes

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 Frequency
  2200 MHz -
• GPU name
  AMD Radeon Graphics None
• Graphics Cores
  2 -

Types, channel quantity of RAM supported by AMD Ryzen 5 8400F and AMD Ryzen 5 PRO 9645. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory channels
  2 2
• Memory type
  DDR5 DDR5
• PCIe
  PCIe 5.0 PCIe 4.0

Compare the TDP requirements of TDP AMD Ryzen 5 PRO 9645 and AMD Ryzen 5 8400F 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
  65 W 65 W
• Maximum Operating Temperature
  95 °C 95 °C
• Configurable TDP
  - 45-65 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 5 PRO 9645 and AMD Ryzen 5 8400F, virtual machine technologies and process technology.

• Codename
  Granite Ridge AM5 Phoenix
• L2-Cache
  6 MB 6 MB
• L3-Cache
  32 MB 16 MB
• Release date
  2025-09-16 2024-04-01
• Socket
  AM5 AM5
• Technology
  TSMC 4nm FinFET TSMC 4nm FinFET