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

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

• CPU group
  Intel Core i 12000H AMD Ryzen 3000
• Family
  Intel Core i9 AMD Ryzen
• Generation
  12 3
• Predecessor
  No -
• Segment
  Mobile Desktop / Server
• Successor
  No AMD Ryzen 9 5950X

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

• A-Core
  8x Golden Cove / 2.30 GHz (5.00 GHz) -
• B-Core
  8x Gracemont / 1.70 GHz (3.60 GHz) -
• Base Frequency
  2.3 GHz 3.5 GHz
• Core architecture
  hybrid normal
• CPU Cores
  16 16
• CPU Threads
  24 32
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  No 4.7 GHz
• Turbo Frequency (2 Cores)
  No turbo -
• Turbo Frequency (16 Cores)
  - 4 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.

• DirectX Version
  12 -
• Execution units
  32 -
• Generation
  11 -
• GPU Frequency
  300 MHz -
• GPU name
  Intel UHD Graphics 770 None
• GPU Turbo
  No turbo -
• Max. displays
  3 -
• Max. GPU Memory
  16 GB -
• Release date
  Q4/2021 -
• Shader
  256 -
• Technology
  10 nm -
• Graphics verification source
  - https://www.amd.com/en/products/specifications/processors.html

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

• AV1
  Decode No
• H.264 / AVC
  Decode / Encode No
• h265 / HEVC (8 bit)
  Decode / Encode No
• h265 / HEVC (10 bit)
  Decode / Encode No
• JPEG
  Decode / Encode No
• VC-1
  Decode No
• VP8
  Decode / Encode No
• VP9
  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.

• ECC
  Yes Yes
• Max. Memory
  128 GB 128 GB
• Memory Bandwidth
  76.8 GB/s -
• Memory channels
  2 2
• Memory type
  DDR4-3200 DDR5-4800 LPDDR4X-4266 LPDDR5-5200 DDR4-3200
• PCIe
  5.0 x 20 -
• PCIe lanes
  - 20
• PCIe version
  - 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12950HX and AMD Ryzen 9 3950X Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  100 °C 95 °C
• TDP (PL1, legacy label)
  55 W 105 W
• TDP (PL2)
  157 W 142 W
• TDP down
  45 W -
• TDP up
  No -

Architecture, interfaces, additional instructions supported by Intel Core i9-12950HX and AMD Ryzen 9 3950X, virtual machine technologies and process technology.

• Architecture
  Alder Lake H Matisse (Zen 2)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• 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
• Release date
  Q2/2022 Q3/2019
• Socket
  BGA 1744 AM4
• Technology
  10 nm 7 nm
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM