description AMD Epyc 7643

• Name
  AMD Epyc 7643
• Segment
  Desktop / Server
• Family
  AMD Epyc
• Generation
  3
• CPU group
  AMD Epyc 7003
• Predecessor
  AMD Epyc 7642

CPU Cores and Base Frequency

• Frequency
  2.30 GHz
• CPU Cores
  48
• Turbo (1 Core)
  3.60 GHz
• CPU Threads
  96
• Turbo (48 Cores)
  3.40 GHz
• Hyperthreading
  Yes
• Overclocking
  No
• Core architecture
  normal

• GPU name
  no iGPU
• GPU (Turbo)
  No turbo

• h265 / HEVC (8 bit)
  No
• h265 / HEVC (10 bit)
  No
• h264
  No
• VP9
  No
• VP8
  No
• AV1
  No
• AVC
  No
• VC-1
  No
• JPEG
  No

• Memory type
  DDR4-3200
• ECC
  Yes
• Memory channels
  8
• PCIe version
  4.0
• PCIe lanes
  128

• AES-NI
  Yes

• TDP (PL1)
  280 W

• Instruction set (ISA)
  x86-64 (64 bit)
• Virtualization
  AMD-V, SVM
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  256.00 MB
• Architecture
  Milan (Zen 3)
• Technology
  7 nm
• Socket
  SP3
• Release date
  Q1/2021

• Used in
  Unknown