AMD EPYC 7473X vs AMD Ryzen 9 3900. Specifications, performance, tests

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

• CPU group
  AMD EPYC 7003 AMD Ryzen 3000
• Family
  AMD EPYC AMD Ryzen
• Generation
  3 3
• Segment
  Desktop / Server Desktop / Server
• Successor
  - AMD Ryzen 9 5900

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

• Base Frequency
  2.8 GHz 3.1 GHz
• Core architecture
  normal normal
• Core Configuration
  24x Zen 3 -
• CPU Cores
  24 12
• CPU Threads
  48 24
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  3.7 GHz 4.3 GHz
• Turbo Frequency (12 Cores)
  - No turbo

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 no iGPU
• GPU Turbo
  No 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 9 3900 and AMD EPYC 7473X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes No
• Max. Memory
  4096 GB 128 GB
• Memory Bandwidth
  204.8 GB/s -
• Memory channels
  8 (Octa Channel) 2
• Memory type
  DDR4-3200 DDR4-3200
• PCIe
  4.0 x 128 -
• PCIe lanes
  - 20
• PCIe version
  - 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD EPYC 7473X and AMD Ryzen 9 3900 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)
  240 W 65 W
• TDP down
  225 W -
• TDP up
  280 W -

Architecture, interfaces, additional instructions supported by AMD EPYC 7473X and AMD Ryzen 9 3900, virtual machine technologies and process technology.

• Architecture
  Milan (Zen 3) Matisse (Zen 2)
• Chip design
  Chiplet -
• 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
  32 MB -
• L3-Cache
  768 MB 64 MB
• Operating systems
  Windows 10, Linux -
• Release date
  Q2/2022 Q3/2019
• Release price
  4185 $ -
• Socket
  SP3 AM4
• Technology
  7 nm 7 nm
• Virtualization
  AMD-V, SVM AMD-V, SVM