Intel Celeron 3955U vs Intel Celeron 3855U. Specifications, performance, tests

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

• CPU group
  Intel Celeron 3000 Intel Celeron 3000
• Family
  Intel Celeron Intel Celeron
• Generation
  7 7
• Segment
  Mobile Mobile

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

• Base Frequency
  2 GHz 1.6 GHz
• Core architecture
  normal normal
• CPU Cores
  2 2
• CPU Threads
  2 2
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  No turbo No turbo
• Turbo Frequency (2 Cores)
  No turbo No turbo

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
  12.0 12.0
• Execution units
  12 12
• Generation
  9 9
• GPU Frequency
  300 MHz 300 MHz
• GPU name
  Intel HD Graphics 510 Intel HD Graphics 510
• GPU Turbo
  900 MHz 900 MHz
• Max. displays
  3 3
• Max. GPU Memory
  32 GB 32 GB
• Release date
  Q1/2015 Q1/2015
• Shader
  96 96
• Technology
  14 nm 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 Decode / Encode
• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode Decode
• JPEG
  Decode Decode
• VC-1
  Decode Decode
• VP8
  Decode / Encode Decode / Encode
• VP9
  Decode Decode

Types, channel quantity of RAM supported by Intel Celeron 3855U and Intel Celeron 3955U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Memory channels
  2 2
• Memory type
  DDR4-2133LPDDR3-1866 DDR4-2133LPDDR3-1866
• PCIe lanes
  10 10
• PCIe version
  2.0 2.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Celeron 3955U and Intel Celeron 3855U 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)
  15 W 15 W

Architecture, interfaces, additional instructions supported by Intel Celeron 3955U and Intel Celeron 3855U, virtual machine technologies and process technology.

• Architecture
  Kaby Lake U Kaby Lake U
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2
• L3-Cache
  2.00 MB 2.00 MB
• Release date
  Q4/2015 Q4/2015
• Technology
  14 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d