Intel Xeon D-2146NT vs Intel Xeon E3-1280 v5. Specifications

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

• CPU group
  Intel Xeon D-2100 Intel Xeon E3 v5
• Family
  Intel Xeon D Intel Xeon E3
• Generation
  2 5
• Segment
  Desktop / Server Desktop / Server

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

• Base Frequency
  2.3 GHz 3.7 GHz
• Core architecture
  normal normal
• Core Configuration
  8x -
• CPU Cores
  8 4
• CPU Threads
  16 8
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No No
• Turbo Frequency (1 Core)
  3 GHz 4 GHz
• Turbo Frequency (8 Cores)
  2.3 GHz -
• Turbo Frequency (4 Cores)
  - 3.9 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.

• AV1
  No No
• H.264 / AVC
  No No
• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  No No
• VC-1
  No No
• VP8
  No No
• VP9
  No No

Types, channel quantity of RAM supported by Intel Xeon E3-1280 v5 and Intel Xeon D-2146NT. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  512 GB -
• Memory Bandwidth
  68.2 GB/s -
• Memory channels
  4 2
• Memory type
  DDR4-2133 DDR4-2133
• PCIe
  3.0 x 32 -
• PCIe lanes
  - 16
• PCIe version
  - 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Xeon D-2146NT and Intel Xeon E3-1280 v5 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• TDP (PL1, legacy label)
  80 W 80 W

Architecture, interfaces, additional instructions supported by Intel Xeon D-2146NT and Intel Xeon E3-1280 v5, virtual machine technologies and process technology.

• Architecture
  Skylake Skylake 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
• L2-Cache
  11 MB -
• L3-Cache
  - 8 MB
• Operating systems
  Windows 10, Linux -
• Release date
  Q1/2018 Q4/2015
• Socket
  BGA 2518 LGA 1151
• Technology
  14 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d