Intel Xeon W-11865MRE vs Intel Core i9-11900KB. Specifications, performance, tests

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

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

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.

• Core architecture
  normal normal
• Overclocking
  No Yes
• Frequency
  2.60 GHz 3.30 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 11th Gen (32 EU) Intel UHD Graphics 910
• GPU frequency
  0.35 GHz 0.35 GHz
• GPU (Turbo)
  1.35 GHz 1.45 GHz
• Execution units
  32 32
• Shader
  256 256
• Max. displays
  3 3
• Generation
  11 11
• Technology
  10 nm 10 nm
• Release date
  Q2/2021

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

• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode
• AV1
  Decode No
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i9-11900KB and Intel Xeon W-11865MRE. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR4-3200
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 2
• ECC
  Yes No

Compare the TDP requirements of TDP Intel Xeon W-11865MRE and Intel Core i9-11900KB to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  45 W 65 W
• TDP down
  35 W 55 W
• Tjunction max.
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by Intel Xeon W-11865MRE and Intel Xeon W-11865MRE, virtual machine technologies and process technology.

• 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 20.00 MB
• Architecture
  Tiger Lake H Tiger Lake H
• Technology
  10 nm 10 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Socket
  BGA 1787 BGA 1787
• Release date
  Q3/2021 Q2/2021