AMD Ryzen 9 5900X vs AMD Ryzen 9 9900X. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 5000 -
• Family
  Ryzen Ryzen
• Form Factor
  Desktops / Boxed Processor Desktops / Boxed Processor
• Generation
  4 -
• Predecessor
  AMD Ryzen 9 3900X -
• Segment
  Desktop Desktop
• Series
  Ryzen 5000 Series Ryzen 9000 Series

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

• Base Frequency
  3.7 GHz 4.4 GHz
• Core architecture
  normal -
• CPU Cores
  12 12
• CPU Threads
  24 24
• Hyperthreading / SMT
  Yes -
• Max. Boost Clock
  4.8 GHz 5.6 GHz
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  4.8 GHz 5.6 GHz
• Turbo Frequency (12 Cores)
  4.5 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 AMD Radeon Graphics
• GPU Frequency
  - 2200 MHz
• Graphics Cores
  - 2

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  No -
• H.264 / AVC
  No -
• h265 / HEVC (8 bit)
  No -
• h265 / HEVC (10 bit)
  No -
• JPEG
  No -
• VC-1
  No -
• VP8
  No -
• VP9
  No -

Types, channel quantity of RAM supported by AMD Ryzen 9 9900X and AMD Ryzen 9 5900X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes -
• Max. Memory
  128 GB -
• Memory channels
  2 2
• Memory type
  DDR4 DDR5
• PCIe
  PCIe 4.0 PCIe 5.0
• PCIe lanes
  20 -
• PCIe version
  4.0 -
• System Memory Specification
  3200 -

• AES-NI
  Yes -

Compare the TDP requirements of TDP AMD Ryzen 9 5900X and AMD Ryzen 9 9900X 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 120 W
• Maximum Operating Temperature
  90 °C 95 °C
• TDP (PL1, legacy label)
  105 W -
• TDP (PL2)
  142 W -
• TDP (PL1 / PBP, legacy combined label)
  - 120 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 5900X and AMD Ryzen 9 9900X, virtual machine technologies and process technology.

• Architecture
  Vermeer (Zen 3) Zen 5
• Codename
  Vermeer Granite Ridge AM5
• Instruction set (ISA)
  x86-64 (64 bit) -
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 -
• L2-Cache
  6 MB 12 MB
• L3-Cache
  64 MB 64 MB
• Release date
  2020-11-05 2024-08-15
• Socket
  AM4 AM5
• Technology
  TSMC 7nm FinFET TSMC 4nm FinFET
• Virtualization
  AMD-V, SVM -
• I/O die process
  - TSMC 6nm FinFET