Intel Xeon D-1557 vs Intel Xeon D-2166NT. Specifications, performance, tests

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

• Family
  Intel Xeon D Intel Xeon D
• CPU group
  Intel Xeon D-1500 Intel Xeon D-2100
• Segment
  Desktop / Server Desktop / Server
• Generation
  1 2

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.

• CPU Cores / Threads
  12 / 24 12 / 24
• Core architecture
  normal normal
• Cores
  12x 12x
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No No
• Frequency
  1.50 GHz 2.00 GHz
• Turbo Frequency (1 Core)
  2.10 GHz 3.00 GHz
• Turbo Frequency (12 Cores)
  1.50 GHz 2.00 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
  no iGPU no iGPU
• GPU (Turbo)
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by Intel Xeon D-2166NT and Intel Xeon D-1557. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2133 DDR4-2133
• Max. Memory
  128 GB 512 GB
• Memory channels
  2 4
• Bandwidth
  34.1 GB/s 68.2 GB/s
• ECC
  Yes Yes
• PCIe
  3.0 x 32 3.0 x 32
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Xeon D-1557 and Intel Xeon D-2166NT to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  45 W 85 W

Architecture, interfaces, additional instructions supported by Intel Xeon D-1557 and Intel Xeon D-1557, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX-512
• L2-Cache
  18.00 MB 16.50 MB
• Architecture
  Broadwell Skylake
• Technology
  14 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Socket
  BGA 1667 BGA 2518
• Release date
  Q3/2017 Q1/2018
• Operating systems
  Windows 10, Linux Windows 10, Linux