AMD Ryzen Threadripper PRO 9955WX vs AMD Ryzen Threadripper 9980X. Specifications

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

• Family
  Ryzen Threadripper PRO Ryzen Threadripper
• Form Factor
  Desktops Desktops
• Segment
  Desktop Desktop
• Series
  Ryzen Threadripper PRO 9000 WX-Series Ryzen Threadripper 9000 Series

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

• Base Frequency
  4.5 GHz 3.2 GHz
• CPU Cores
  16 64
• CPU Threads
  32 128
• Max. Boost Clock
  5.4 GHz 5.4 GHz
• Overclocking
  Yes 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 name
  None None

Types, channel quantity of RAM supported by AMD Ryzen Threadripper 9980X and AMD Ryzen Threadripper PRO 9955WX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory channels
  8 4
• Memory type
  DDR5 DDR5
• PCIe
  PCIe 5.0 PCIe 5.0
• System Memory Specification
  6400 6400

Compare the TDP requirements of TDP AMD Ryzen Threadripper PRO 9955WX and AMD Ryzen Threadripper 9980X 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
  350 W 350 W
• Maximum Operating Temperature
  95 °C 95 °C

Architecture, interfaces, additional instructions supported by AMD Ryzen Threadripper PRO 9955WX and AMD Ryzen Threadripper 9980X, virtual machine technologies and process technology.

• Codename
  Shimada Peak Shimada Peak
• L2-Cache
  16 MB 64 MB
• L3-Cache
  64 MB 256 MB
• Official source
  https://www.amd.com/en/products/processors/workstations/ryzen-threadripper/9000-wx-series/amd-ryzen-threadripper-pro-9955wx.html https://www.amd.com/en/products/processors/ryzen-threadripper/9000-series/amd-ryzen-threadripper-9980x.html
• Release date
  2025-07-23 2025-07-31
• Socket
  sTR5 sTR5
• Technology
  TSMC 4nm FinFET TSMC 4nm FinFET
• Verified on
  2026-09-30 2026-09-30
• Release date source
  - https://www.amd.com/en/blogs/2025/designed-to-create-built-to-inspire-amd-introduces-new.html
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.