Processor AMD Epyc 7643, specifications and benchmarks

General information about the processor AMD Epyc 7643

• Segment
  Desktop / Server
• Family
  AMD Epyc
• Generation
  3
• CPU group
  AMD Epyc 7003
• Predecessor
  AMD Epyc 7642
• Successor
  --

AMD Epyc 7643 Processor performance parameters, CPU capabilities

• 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
• A core
  --
• B core
  --
• C core
  --

Built-in graphics chip characteristics

• GPU name
  no iGPU
• GPU frequency
• GPU (Turbo)
  No turbo
• Execution units
• Shader
• Max. GPU Memory
  --
• Max. displays
• Generation
• DirectX Version
• Technology
• Release date

Built-in support for video and image compression standards

• 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

Technical characteristics of supported memory, PCI bus

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

Hardware security technology

• AES-NI
  Yes

• TDP (PL1)
  280 W
• TDP up
  --
• TDP (PL2)
  --
• TDP down
  --
• Tjunction max.
  --

Technical capabilities of the processor, information

• Instruction set (ISA)
  x86-64 (64 bit)
• Virtualization
  AMD-V, SVM
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  --
• L3-Cache
  256.00 MB
• Architecture
  Milan (Zen 3)
• Technology
  7 nm
• Socket
  SP3
• Release date
  Q1/2021
• Part Number
  --

Common positions AMD Epyc 7643 CPU in popular benchmarks, for comparison with other models.

• Geekbench 5, 64bit (Single-Core)
  299 place
• Estimated results for PassMark CPU Mark
  6 place