Intel Core i9-11900K vs AMD Ryzen Threadripper Pro 3995WX. Specifications, performance, tests

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

• CPU group
  Intel Core i 11000 AMD Ryzen Threadripper PRO 3000
• Family
  Intel Core i9 Ryzen Threadripper PRO
• Generation
  11 3
• Predecessor
  Intel Core i9-10900K -
• Segment
  Desktop / Server Desktop / Server
• Successor
  Intel Core i9-12900K -
• Form Factor
  - Desktops / Boxed Processor
• Series
  - Ryzen Threadripper PRO 3000 WX-Series

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

• Base Frequency
  3.5 GHz 2.7 GHz
• Core architecture
  normal normal
• CPU Cores
  8 64
• CPU Threads
  16 128
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  5.3 GHz 4.2 GHz
• Turbo Frequency (8 Cores)
  4.8 GHz -
• Max. Boost Clock
  - 4.2 GHz
• Turbo Frequency (64 Cores)
  - 3 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.

• DirectX Version
  12 -
• Execution units
  32 -
• Generation
  12 -
• GPU Frequency
  350 MHz -
• GPU name
  Intel UHD Graphics 750 None
• GPU Turbo
  1300 MHz -
• Max. displays
  3 -
• Release date
  Q1/2021 -
• Shader
  256 -
• Technology
  14 nm -
• Graphics verification source
  - https://www.amd.com/en/products/specifications/processors.html

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

• AV1
  Decode 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 No
• VP9
  Decode / Encode No

Types, channel quantity of RAM supported by AMD Ryzen Threadripper Pro 3995WX and Intel Core i9-11900K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  128 GB 2048 GB
• Memory channels
  2 8
• Memory type
  DDR4-3200 DDR4
• PCIe lanes
  20 72
• PCIe version
  4.0 4.0
• PCIe
  - PCIe 4.0
• System Memory Specification
  - 3200

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-11900K and AMD Ryzen Threadripper Pro 3995WX 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 90 °C
• TDP (PL1, legacy label)
  125 W 280 W
• TDP (PL2)
  251 W / 56 s -
• TDP down
  95 W -
• Default TDP
  - 280 W

Architecture, interfaces, additional instructions supported by Intel Core i9-11900K and AMD Ryzen Threadripper Pro 3995WX, virtual machine technologies and process technology.

• Architecture
  Rocket Lake S Castle Peak (Zen 2)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  4 MB 32 MB
• L3-Cache
  16 MB 256 MB
• Release date
  Q1/2021 2020-07-14
• Socket
  LGA 1200 sWRX8
• Technology
  14 nm TSMC 7nm FinFET
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM
• Codename
  - Castle Peak
• L1-Cache
  - 4 MB
• Manufacturer product ID (boxed)
  - 100-100000087WOF
• Manufacturer product ID (tray)
  - 100-000000087
• Official source
  - https://www.amd.com/en/products/specifications/processors.html
• Operating systems
  - Windows 10 - 64-Bit Edition / Windows 11 - 64-Bit Edition
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  - 2026-10-01