Intel Atom Z3795 vs Intel Core i5-3317U. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Atom Intel Core i5
• Generation
  4 3
• CPU group
  Intel Atom Z3700 Intel Core i 3000U

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
  1.59 GHz 1.70 GHz
• CPU Cores
  4 2
• Turbo (1 Core)
  2.39 GHz 2.60 GHz
• CPU Threads
  4 4
• Hyperthreading
  No Yes
• 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 (Bay Trail GT1) Intel HD Graphics 4000
• GPU frequency
  0.31 GHz 0.35 GHz
• GPU (Turbo)
  0.78 GHz 1.05 GHz
• Execution units
  4 16
• Shader
  32 128
• Max. GPU Memory
  8 GB --
• Max. displays
  2 3
• Generation
  7 7
• DirectX Version
  11.2 11.0
• Technology
  22 nm 22 nm
• Release date
  Q3/2013 Q1/2011

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

Types, channel quantity of RAM supported by Intel Core i5-3317U and Intel Atom Z3795. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR3-1066 DDR3-1066DDR3-1333DDR3L-1066 SO-DIMMDDR3L-1333 SO-DIMM
• Max. Memory
  4 GB 32 GB
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  2
• PCIe lanes
  16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Atom Z3795 and Intel Core i5-3317U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  3.5 W 17 W
• Tjunction max.
  90 °C 105 °C

Architecture, interfaces, additional instructions supported by Intel Atom Z3795 and Intel Atom Z3795, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX
• L3-Cache
  2.00 MB 3.00 MB
• Architecture
  Bay Trail Ivy Bridge U
• Technology
  22 nm 22 nm
• Socket
  BGA 1380 BGA 1023
• Release date
  Q1/2014 Q2/2012