AMD EPYC 7473X vs AMD EPYC 7773X. Specifications, performance, tests

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

• Family
  AMD EPYC AMD EPYC
• CPU group
  AMD EPYC 7003 AMD EPYC 7003
• Segment
  Desktop / Server Desktop / Server
• Generation
  3 3

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• CPU Cores / Threads
  24 / 48 64 / 128
• Core architecture
  normal normal
• Cores
  24x Zen 3 64x Zen 3
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No No
• Frequency
  2.80 GHz 2.20 GHz
• Turbo Frequency (1 Core)
  3.70 GHz 3.50 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 no iGPU
• GPU (Turbo)
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by AMD EPYC 7773X and AMD EPYC 7473X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR4-3200
• Max. Memory
  4096 GB 4096 GB
• Memory channels
  8 (Octa Channel) 8 (Octa Channel)
• Bandwidth
  204.8 GB/s 204.8 GB/s
• ECC
  Yes Yes
• PCIe
  4.0 x 128 4.0 x 128
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD EPYC 7473X and AMD EPYC 7773X to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  240 W 280 W
• TDP up
  280 W --
• TDP down
  225 W 225 W

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

• Technology
  7 nm 7 nm
• Chip design
  Chiplet Chiplet
• Socket
  SP3 SP3
• L2-Cache
  32.00 MB 32.00 MB
• L3-Cache
  768.00 MB 768.00 MB
• Architecture
  Milan (Zen 3) Milan (Zen 3)
• Operating systems
  Windows 10, Linux Windows 10, Linux
• Virtualization
  AMD-V, SVM AMD-V, SVM
• 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
• Release date
  Q2/2022 Q2/2022
• Release price
  4185 $ 8800 $