Intel Core i9-12950HX vs AMD Ryzen 9 3950X. Specifications, performance, tests

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

• Segment
  Mobile Desktop / Server
• Family
  Intel Core i9 AMD Ryzen
• Generation
  12 3
• CPU group
  Intel Core i 12000H AMD Ryzen 3000
• Predecessor
  No --
• Successor
  No 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.

• Frequency
  2.30 GHz 3.50 GHz
• CPU Cores
  16 16
• Turbo (1 Core)
  No 4.70 GHz
• CPU Threads
  24 32
• Hyperthreading
  Yes Yes
• Overclocking
  Yes Yes
• Core architecture
  hybrid normal
• A core
  8x Golden Cove / 2.30 GHz (5.00 GHz) --
• B core
  8x Gracemont / 1.70 GHz (3.60 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
  Intel UHD Graphics 770 no iGPU
• GPU frequency
  0.30 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  32
• Shader
  256
• Max. GPU Memory
  16 GB --
• Max. displays
  3
• Generation
  11
• DirectX Version
  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)
  Decode / Encode No
• h265 / HEVC (10 bit)
  Decode / Encode No
• h264
  Decode / Encode No
• VP9
  Decode / Encode No
• VP8
  Decode / Encode No
• AV1
  Decode No
• AVC
  Decode / Encode No
• VC-1
  Decode No
• JPEG
  Decode / Encode No

Types, channel quantity of RAM supported by AMD Ryzen 9 3950X and Intel Core i9-12950HX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR5-4800 LPDDR4X-4266 LPDDR5-5200 DDR4-3200
• Max. Memory
  128 GB 128 GB
• ECC
  Yes Yes
• Memory channels
  2 2

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12950HX and AMD Ryzen 9 3950X to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  55 W 105 W
• TDP up
  No --
• TDP (PL2)
  157 W 142 W
• TDP down
  45 W --
• Tjunction max.
  100 °C 95 °C

Architecture, interfaces, additional instructions supported by Intel Core i9-12950HX and Intel Core i9-12950HX, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  14.00 MB --
• L3-Cache
  30.00 MB 64.00 MB
• Architecture
  Alder Lake H Matisse (Zen 2)
• Technology
  10 nm 7 nm
• Socket
  BGA 1744 AM4
• Release date
  Q2/2022 Q3/2019