Intel Core i9-11900H vs Intel Core i9-11900K. Specifications, performance, tests

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

• CPU group
  Intel Core i 11000H Intel Core i 11000
• Family
  Intel Core i9 Intel Core i9
• Generation
  11 11
• Predecessor
  - Intel Core i9-10900K
• Segment
  Mobile Desktop / Server
• Successor
  - Intel Core i9-12900K

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

• Base Frequency
  2.5 GHz 3.5 GHz
• Core architecture
  normal normal
• CPU Cores
  8 8
• CPU Threads
  16 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  4.9 GHz 5.3 GHz
• Turbo Frequency (8 Cores)
  3.6 GHz 4.8 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 12
• Execution units
  32 32
• Generation
  11 12
• GPU Frequency
  350 MHz 350 MHz
• GPU name
  Intel UHD Graphics 11th Gen (32 EU) Intel UHD Graphics 750
• GPU Turbo
  1450 MHz 1300 MHz
• Max. displays
  3 3
• Release date
  Q2/2021 Q1/2021
• Shader
  256 256
• Technology
  10 nm 14 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 / Encode Decode
• VP9
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i9-11900K and Intel Core i9-11900H. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 2
• Memory type
  DDR4-3200 DDR4-3200
• PCIe lanes
  20 20
• PCIe version
  4.0 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-11900H and Intel Core i9-11900K 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 125 W
• TDP (PL2)
  - 251 W / 56 s
• TDP down
  35 W 95 W

Architecture, interfaces, additional instructions supported by Intel Core i9-11900H and Intel Core i9-11900K, virtual machine technologies and process technology.

• Architecture
  Tiger Lake H Rocket Lake S
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4.1, SSE4.2, AVX2, AVX-512
• L2-Cache
  - 4.00 MB
• L3-Cache
  24.00 MB 16.00 MB
• Release date
  Q2/2021 Q1/2021
• Socket
  BGA 1787 LGA 1200
• Technology
  10 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d