Intel Xeon W-2140B vs Intel Xeon W-2145. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Xeon W Intel Xeon W
• Generation
  6 6
• CPU group
  Intel Xeon W-2100/3100 Intel Xeon W-2100/3100
• Successor
  -- Intel Xeon W-2245

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
  3.20 GHz 3.70 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  4.50 GHz 4.50 GHz
• CPU Threads
  16 16
• Turbo (8 Cores)
  3.80 GHz 4.20 GHz
• Hyperthreading
  Yes Yes
• Overclocking
  No No
• Core architecture
  normal normal

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
  no iGPU no iGPU
• GPU (Turbo)
  No turbo No turbo

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

Overview of the types and quantities of RAM supported by Intel Xeon W-2145 and Intel Xeon W-2140B. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-2666 DDR4-2666
• Max. Memory
  512 GB 512 GB
• ECC
  Yes Yes
• Memory channels
  4 4
• PCIe version
  3.0 3.0
• PCIe lanes
  48 48

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Xeon W-2140B and Intel Xeon W-2145 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  105 W 140 W

Information on architecture, interfaces, and additional instructions supported by Intel Xeon W-2140B and Intel Xeon W-2145, 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 VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4.1, SSE4.2, AVX2, AVX-512
• L3-Cache
  11.00 MB 11.00 MB
• Architecture
  Skylake W Skylake W
• Technology
  14 nm 14 nm
• Socket
  LGA 2066 LGA 2066
• Release date
  Q3/2017 Q3/2017