AMD Ryzen 9 7950X vs Intel Core i9-12900K. Specifications, performance, tests

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

• Family
  AMD Ryzen Intel Core i9
• CPU group
  AMD Ryzen 7000 Intel Core i 12000
• Segment
  Desktop / Server Desktop / Server
• Generation
  5 12
• Predecessor
  AMD Ryzen 9 5950X Intel Core i9-11900K

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.

• Core architecture
  normal hybrid (big.LITTLE)
• Overclocking
  Yes Yes
• Frequency
  4.50 GHz 3.70 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 Intel Iris Xe Graphics 32 (Alder Lake S)
• GPU frequency
  -- 0.40 GHz
• GPU (Turbo)
  No turbo 1.45 GHz
• Execution units
  -- 32
• Shader
  -- 256
• Max. GPU Memory
  -- 16 GB
• Max. displays
  -- 4
• Generation
  -- 12
• Technology
  -- 10 nm
• Release date
  -- Q4/2021

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
• VP8
  No Decode
• VP9
  No Decode / Encode
• AV1
  No Decode
• AVC
  No Decode / Encode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i9-12900K and AMD Ryzen 9 7950X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR5-5200 DDR4-3200DDR5-4800
• Max. Memory
  256 GB 256 GB
• Memory channels
  2 2
• ECC
  Yes No

Compare the TDP requirements of TDP AMD Ryzen 9 7950X and Intel Core i9-12900K to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  170 W 125 W
• TDP (PL2)
  230 W 228 W / 56 s
• Tjunction max.
  95 °C 100 °C

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

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  8.00 MB 3.75 MB
• L3-Cache
  64.00 MB 30.00 MB
• Architecture
  Raphael (Zen 4) Alder Lake S
• Technology
  5 nm 10 nm
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d
• Socket
  AM5 LGA 1700
• Release date
  Q4/2022 Q4/2021
• Part Number
  -- BX8071512900K