AMD Epyc 7643 vs AMD Ryzen Threadripper Pro 5965WX. Specifications

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

• CPU group
  AMD Epyc 7003 AMD Ryzen Threadripper PRO 5000
• Family
  AMD Epyc Ryzen Threadripper PRO
• Generation
  3 4
• Predecessor
  AMD Epyc 7642 -
• Segment
  Desktop / Server Desktop / Server
• Form Factor
  - Desktops
• Series
  - Ryzen Threadripper PRO 5000 WX-Series

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

• Base Frequency
  2.3 GHz 3.8 GHz
• Core architecture
  normal normal
• CPU Cores
  48 24
• CPU Threads
  96 48
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  3.6 GHz 4.55 GHz
• Turbo Frequency (48 Cores)
  3.4 GHz -
• Max. Boost Clock
  - 4.5 GHz
• Turbo Frequency (24 Cores)
  - 4 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
  no iGPU None
• GPU Turbo
  No turbo -

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

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

Types, channel quantity of RAM supported by AMD Ryzen Threadripper Pro 5965WX and AMD Epyc 7643. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  - 2048 GB
• Memory channels
  8 8
• Memory type
  DDR4-3200 DDR4
• PCIe lanes
  128 -
• PCIe version
  4.0 -
• PCIe
  - PCIe 4.0
• System Memory Specification
  - 3200

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Epyc 7643 and AMD Ryzen Threadripper Pro 5965WX 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
  - 95 °C
• TDP (PL1, legacy label)
  280 W 280 W
• Default TDP
  - 280 W

Architecture, interfaces, additional instructions supported by AMD Epyc 7643 and AMD Ryzen Threadripper Pro 5965WX, virtual machine technologies and process technology.

• Architecture
  Milan (Zen 3) Chagall (Zen 3)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  - 12 MB
• L3-Cache
  256 MB 128 MB
• Release date
  Q1/2021 2022-03-08
• Socket
  SP3 sWRX8
• Technology
  7 nm TSMC 7nm FinFET
• Virtualization
  AMD-V, SVM AMD-V, SVM
• Codename
  - Chagall PRO
• L1-Cache
  - 1.5 MB
• Manufacturer product ID (boxed)
  - 100-100000446WOF
• Manufacturer product ID (tray)
  - 100-000000446
• Operating systems
  - Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition