AMD Epyc 7702 vs AMD Ryzen 9 7950X3D. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD Epyc AMD Ryzen 9
• Generation
  2 6
• CPU group
  AMD Epyc 7002 AMD Ryzen 7000

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.

• Frequency
  2.00 GHz 4.20 GHz
• Overclocking
  No No
• Core architecture
  normal normal

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 AMD Radeon Graphics (Raphael)
• GPU frequency
  0.40 GHz
• GPU (Turbo)
  No turbo 2.20 GHz
• Execution units
  2
• Shader
  128
• Max. GPU Memory
  -- 8 GB
• Max. displays
  3
• Generation
  9
• Technology
  5 nm
• Release date
  Q3/2022

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

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

Types, channel quantity of RAM supported by AMD Ryzen 9 7950X3D and AMD Epyc 7702. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR5-5200
• Max. Memory
  128 GB
• ECC
  Yes Yes
• Memory channels
  8 2 (Dual Channel)

Compare the TDP requirements of TDP AMD Epyc 7702 and AMD Ryzen 9 7950X3D to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL2)
  -- 162 W
• Tjunction max.
  -- 89 °C

Architecture, interfaces, additional instructions supported by AMD Epyc 7702 and AMD Epyc 7702, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM AMD-V, SVM
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• L2-Cache
  -- 16.00 MB
• L3-Cache
  256.00 MB 128.00 MB
• Architecture
  Rome (Zen 2) Raphael (Zen 4)
• Technology
  7 nm 5 nm
• Socket
  SP3 AM5 (LGA 1718)
• Release date
  Q3/2019 Q1/2023