Intel Xeon E3-1245 v6 vs Intel Atom C3955. Specifications

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

• CPU group
  Intel Xeon E3 v6 Intel Atom C3000
• Family
  Intel Xeon E3 Intel Atom
• Generation
  6 2
• 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
  3.7 GHz 2.1 GHz
• Core architecture
  normal normal
• CPU Cores
  4 16
• CPU Threads
  8 16
• Hyperthreading / SMT
  Yes No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  4.1 GHz 2.4 GHz
• Turbo Frequency (4 Cores)
  3.9 GHz -
• Turbo Frequency (16 Cores)
  - 2.4 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.

• DirectX Version
  12 -
• Execution units
  24 -
• Generation
  9.5 -
• GPU Frequency
  350 MHz -
• GPU name
  Intel HD Graphics P630 no iGPU
• GPU Turbo
  1150 MHz No turbo
• Max. displays
  3 -
• Max. GPU Memory
  64 GB -
• Release date
  Q2/2016 -
• Shader
  192 -
• Technology
  14 nm -

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

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

Types, channel quantity of RAM supported by Intel Atom C3955 and Intel Xeon E3-1245 v6. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  - 256 GB
• Memory channels
  2 2
• Memory type
  DDR4-2400 DDR4-2400
• PCIe lanes
  16 16
• PCIe version
  3.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Xeon E3-1245 v6 and Intel Atom C3955 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  - 100 °C
• TDP (PL1, legacy label)
  73 W 32 W

Architecture, interfaces, additional instructions supported by Intel Xeon E3-1245 v6 and Intel Atom C3955, virtual machine technologies and process technology.

• Architecture
  Kaby Lake S Denverton
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2
• L2-Cache
  - 16 MB
• L3-Cache
  8 MB -
• Release date
  Q1/2017 Q3/2017
• Socket
  LGA 1151 BGA 1310
• Technology
  14 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d