Intel Atom C3858 vs Intel Atom C3950. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Atom Intel Atom
• Generation
  2 2
• CPU group
  Intel Atom C3000 Intel Atom C3000

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.

• Frequency
  2.00 GHz 1.70 GHz
• CPU Cores
  12 16
• Turbo (1 Core)
  No turbo 2.20 GHz
• CPU Threads
  12 16
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  normal normal

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
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  No No
• VC-1
  No No
• JPEG
  No No

Types, channel quantity of RAM supported by Intel Atom C3950 and Intel Atom C3858. Depending on the motherboards, higher or lower memory frequencies may be supported.

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

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Atom C3858 and Intel Atom C3950 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  25 W 24 W
• Tjunction max.
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by Intel Atom C3858 and Intel Atom C3858, virtual machine technologies and process technology.

• 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 SSE4.1, SSE4.2
• L2-Cache
  12.00 MB 16.00 MB
• Architecture
  Denverton Denverton
• Technology
  14 nm 14 nm
• Socket
  BGA 1310 BGA 1310
• Release date
  Q3/2017 Q3/2017