Intel Core i9-12900HK vs Intel Xeon W-11955M. Specifications, performance, tests

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

• CPU group
  Intel Core i 12000H Intel Xeon W-11000M
• Family
  Intel Core i9 Intel Xeon W
• Generation
  12 11
• Segment
  Mobile Mobile

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

• A-Core
  6x Golden Cove -
• B-Core
  8x Gracemont -
• Base Frequency
  2.5 GHz 2.6 GHz
• Core architecture
  hybrid (big.LITTLE) normal
• CPU Cores
  14 8
• CPU Threads
  20 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No No
• Turbo Frequency (1 Core)
  5 GHz 5 GHz
• Turbo Frequency (14 Cores)
  3.8 GHz -
• Turbo Frequency (8 Cores)
  - 3.2 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
  12.1 12
• Execution units
  96 32
• Generation
  13 11
• GPU Frequency
  400 MHz 350 MHz
• GPU name
  Intel Iris Xe Graphics 96 (Alder Lake) Intel UHD Graphics 11th Gen (32 EU)
• GPU Turbo
  1450 MHz 1450 MHz
• Max. displays
  4 3
• Max. GPU Memory
  64 GB -
• Release date
  Q1/2022 Q2/2021
• Shader
  768 256
• Technology
  10 nm 10 nm

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

• AV1
  Decode Decode
• H.264 / AVC
  Decode / Encode Decode / Encode
• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• JPEG
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• VP8
  Decode Decode / Encode
• VP9
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Xeon W-11955M and Intel Core i9-12900HK. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  64 GB 128 GB
• Memory channels
  2 2
• Memory type
  DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 DDR4-3200
• PCIe
  4.0 x 28 -
• PCIe lanes
  - 20
• PCIe version
  - 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900HK and Intel Xeon W-11955M 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 100 °C
• TDP (PL1, legacy label)
  45 W 45 W
• TDP (PL2)
  115 W -
• TDP down
  - 35 W

Architecture, interfaces, additional instructions supported by Intel Core i9-12900HK and Intel Xeon W-11955M, virtual machine technologies and process technology.

• Architecture
  Alder Lake H Tiger Lake H
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4.1, SSE4.2, AVX2, AVX-512
• L2-Cache
  11.5 MB -
• L3-Cache
  24 MB 24 MB
• Release date
  Q1/2022 Q2/2021
• Socket
  BGA 1744 BGA 1787
• Technology
  10 nm 10 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d