Processor AMD Ryzen 9 3900XT, specifications and benchmarks

• CPU group
  AMD Ryzen 3000
• Family
  Ryzen
• Form Factor
  Desktops / Boxed Processor
• Generation
  3
• Name
  AMD Ryzen 9 3900XT
• Predecessor
  —
• Segment
  Desktop / Server
• Series
  Ryzen 3000 Series
• Successor
  —

• A-Core
  —
• B-Core
  —
• Base Frequency
  3.8 GHz
• C-Core
  —
• Core architecture
  normal
• CPU Cores
  12
• CPU Threads
  24
• Hyperthreading / SMT
  Yes
• Max. Boost Clock
  4.7 GHz
• Overclocking
  Yes
• Turbo Frequency (1 Core)
  4.7 GHz
• Turbo Frequency (12 Cores)
  4.6 GHz

• GPU name
  None
• Graphics verification source
  https://www.amd.com/en/products/specifications/processors.html

• 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

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

• AES-NI
  Yes

• Default TDP
  105 W
• Maximum Operating Temperature
  95 °C
• TDP (PL1, legacy label)
  105 W
• TDP (PL2)
  142 W
• TDP down
  —
• TDP up
  —

• Architecture
  Matisse (Zen 2)
• Codename
  Matisse
• Instruction set (ISA)
  x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  6 MB
• L3-Cache
  64 MB
• Manufacturer product ID (boxed)
  100-100000277WOF
• Official source
  https://www.amd.com/en/products/specifications/processors.html
• Operating systems
  Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit
• Part Number
  —
• Release date
  07/2020
• Socket
  AM4
• Technology
  TSMC 7nm FinFET
• Thermal Solution (PIB)
  Not Included
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  2026-10-01
• Virtualization
  AMD-V, SVM

Common positions AMD Ryzen 9 3900XT CPU in popular benchmarks, for comparison with other models.

• Cinebench R23 (Single-Core)
  124 place
• Cinebench R23 (Multi-Core)
  50 place
• Cinebench R20 (Single-Core)
  80 place
• Cinebench R20 (Multi-Core)
  40 place
• Cinebench R15 (Single-Core)
  37 place
• Cinebench R15 (Multi-Core)
  45 place
• Geekbench 5, 64bit (Single-Core)
  173 place
• Geekbench 5, 64bit (Multi-Core)
  64 place
• Monero Hashrate kH/s
  23 place
• Estimated results for PassMark CPU Mark
  43 place