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 AMD Ryzen
• Generation
  3 4
• Predecessor
  AMD Epyc 7642 -
• Segment
  Desktop / Server Desktop / Server

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 No
• Turbo Frequency (1 Core)
  3.6 GHz 4.55 GHz
• Turbo Frequency (48 Cores)
  3.4 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 -
• 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
  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 DDR4-3200
• PCIe lanes
  128 -
• PCIe version
  4.0 -
• PCIe
  - 4.0 x 128

• 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
  - 100 °C
• TDP (PL1, legacy label)
  280 W 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
  - 12.00 MB
• L3-Cache
  256.00 MB 128.00 MB
• Release date
  Q1/2021 Q1/2022
• Socket
  SP3 WRX8 (sWRX8)
• Technology
  7 nm 7 nm
• Virtualization
  AMD-V, SVM AMD-V, SVM