Intel Pentium 3805U vs Intel Pentium J2900. Specifications, performance, tests

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

• Segment
  Mobile Desktop / Server
• Family
  Intel Pentium Intel Pentium
• Generation
  4 6
• CPU group
  Intel Pentium 3000 Intel Pentium J2000/N3500

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
  1.90 GHz 2.41 GHz
• CPU Cores
  2 4
• Turbo (1 Core)
  No turbo 2.67 GHz
• CPU Threads
  2 4
• 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
  Intel HD Graphics (Broadwell GT1) Intel HD Graphics (Bay Trail GT1)
• GPU frequency
  0.10 GHz 0.69 GHz
• GPU (Turbo)
  0.80 GHz 0.90 GHz
• Execution units
  12 4
• Shader
  96 32
• Max. GPU Memory
  8 GB 8 GB
• Max. displays
  3 2
• Generation
  8 7
• DirectX Version
  11.2 11.2
• Technology
  14 nm 22 nm
• Release date
  Q1/2015 Q3/2013

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
  Decode / Encode Decode / Encode
• VP9
  No No
• VP8
  Decode No
• AV1
  No No
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode Decode

Types, channel quantity of RAM supported by Intel Pentium J2900 and Intel Pentium 3805U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1600 DDR3L-1333 SO-DIMM
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  2.0 2.0
• PCIe lanes
  12 4

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Pentium 3805U and Intel Pentium J2900 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  15 W 10 W
• Tjunction max.
  -- 105 °C

Architecture, interfaces, additional instructions supported by Intel Pentium 3805U and Intel Pentium 3805U, 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
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2
• L3-Cache
  2.00 MB 2.00 MB
• Architecture
  Haswell U Bay Trail
• Technology
  22 nm 22 nm
• Socket
  BGA 1168 BGA 1170
• Release date
  Q1/2015 Q4/2013