AMD Ryzen 9 7900 vs AMD Ryzen 9 7950X. Specifications, performance, tests

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

• Family
  AMD Ryzen 9 AMD Ryzen
• CPU group
  AMD Ryzen 7000 AMD Ryzen 7000
• Segment
  Desktop / Server Desktop / Server
• Generation
  6 5
• Predecessor
  AMD Ryzen 9 5900 AMD Ryzen 9 5950X

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
  12 / 24 16 / 32
• Core architecture
  normal normal
• Cores
  12x 16x
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Frequency
  3.80 GHz 4.50 GHz
• Turbo Frequency (1 Core)
  5.40 GHz 5.50 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
  AMD Radeon Graphics (Raphael) no iGPU
• GPU frequency
  0.40 GHz --
• GPU (Turbo)
  2.20 GHz No turbo
• Execution units
  2 --
• Shader
  128 --
• Max. GPU Memory
  8 GB --
• Max. displays
  3 --
• Generation
  9 --
• Direct X
  12 --
• 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)
  Decode / Encode No
• h265 / HEVC (10 bit)
  Decode / Encode No
• h264
  Decode / Encode No
• VP8
  Decode / Encode No
• VP9
  Decode / Encode No
• AV1
  No No
• AVC
  Decode / Encode No
• VC-1
  Decode No
• JPEG
  Decode / Encode No

Types, channel quantity of RAM supported by AMD Ryzen 9 7950X and AMD Ryzen 9 7900. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR5-5200 DDR5-5200
• Max. Memory
  128 GB 256 GB
• Memory channels
  2 (Dual Channel) 2
• Bandwidth
  83.2 GB/s 83.2 GB/s
• ECC
  Yes Yes
• PCIe
  5.0 x 24 5.0 x 20
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 9 7900 and AMD Ryzen 9 7950X to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  65 W 170 W
• TDP (PL2)
  -- 230 W
• Tjunction max.
  95 °C 95 °C

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 7900 and AMD Ryzen 9 7900, virtual machine technologies and process technology.

• Technology
  5 nm 5 nm
• Socket
  AM5 (LGA 1718) AM5
• L2-Cache
  12.00 MB 8.00 MB
• L3-Cache
  64.00 MB 64.00 MB
• Architecture
  Raphael (Zen 4) Raphael (Zen 4)
• 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,FMA3, AVX2, AVX512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• Release date
  Q1/2023 Q4/2022