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

Comprehensive background on the processors being compared, detailing their series, generation, and targeted 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

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• 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) --

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in 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

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• 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

Overview of the types and quantities of RAM supported by AMD Ryzen 9 3950X and Intel Core i9-12950HX. The supported memory frequencies may vary depending on the motherboard configuration.

• 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

Analyze the TDP (Thermal Design Power) requirements of Intel Core i9-12950HX and AMD Ryzen 9 3950X to make an informed decision on the appropriate cooling system. Remember that TDP 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

Information on architecture, interfaces, and additional instructions supported by Intel Core i9-12950HX and AMD Ryzen 9 3950X, including virtual machine technologies and fabrication processes.

• 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