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

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

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.

• Core architecture
  normal normal
• Overclocking
  No Yes
• Frequency
  2.60 GHz 3.30 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 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

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 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

Overview of the types and quantities of RAM supported by Intel Core i9-11900KB and Intel Xeon W-11865MRE. The supported memory frequencies may vary depending on the motherboard configuration.

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

Analyze the TDP (Thermal Design Power) requirements of Intel Xeon W-11865MRE and Intel Core i9-11900KB to make an informed decision on the appropriate cooling system. Remember that TDP 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

Information on architecture, interfaces, and additional instructions supported by Intel Xeon W-11865MRE and Intel Core i9-11900KB, including virtual machine technologies and fabrication processes.

• 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