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

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

• CPU group
  AMD Ryzen 7000 AMD Epyc 7002
• Family
  Ryzen AMD Epyc
• Form Factor
  Desktops / Boxed Processor -
• Generation
  5 2
• Predecessor
  AMD Ryzen 9 5950X -
• Segment
  Desktop Desktop / Server
• Series
  Ryzen 7000 Series -

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

• Base Frequency
  4.5 GHz 2 GHz
• Core architecture
  normal normal
• Core Configuration
  16x -
• CPU Cores
  16 64
• CPU Threads
  32 128
• Hyperthreading / SMT
  Yes Yes
• Max. Boost Clock
  5.7 GHz -
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  5.5 GHz 3.35 GHz
• Turbo Frequency (16 Cores)
  5.2 GHz -
• Turbo Frequency (64 Cores)
  - 2.5 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 Frequency
  2200 MHz -
• GPU name
  AMD Radeon Graphics no iGPU
• GPU Turbo
  No turbo No turbo
• Graphics Cores
  2 -

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 Epyc 7702 and AMD Ryzen 9 7950X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  256 GB -
• Memory Bandwidth
  83.2 GB/s -
• Memory channels
  2 8
• Memory type
  DDR5 DDR4-3200
• PCIe
  PCIe 5.0 -
• PCIe lanes
  - 128
• PCIe version
  - 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 9 7950X and AMD Epyc 7702 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Default TDP
  170 W -
• Maximum Operating Temperature
  95 °C -
• TDP (PL1, legacy label)
  170 W 200 W
• TDP (PL2)
  230 W -

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 7950X and AMD Epyc 7702, virtual machine technologies and process technology.

• Architecture
  Raphael (Zen 4) Rome (Zen 2)
• Codename
  Raphael AM5 -
• 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
  16 MB -
• L3-Cache
  64 MB 256 MB
• Release date
  2022-09-27 Q3/2019
• Socket
  AM5 SP3
• Technology
  TSMC 5nm FinFET 7 nm
• Virtualization
  AMD-V, SVM AMD-V, SVM