Intel Atom x7-Z8700 vs Intel Core i3-4005U. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Mobile Mobile
• Family
  Intel Atom Intel Core i3
• Generation
  1 4
• CPU group
  Intel Atom x3/x5/x7 Intel Core i 4000U

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  1.60 GHz 1.70 GHz
• CPU Cores
  4 2
• Turbo (1 Core)
  2.40 GHz No turbo
• CPU Threads
  4 4
• Hyperthreading
  No Yes
• Overclocking
  No No
• Core architecture
  normal normal

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Intel HD Graphics 405 (16EU) Intel HD Graphics 4400
• GPU frequency
  0.20 GHz 0.20 GHz
• GPU (Turbo)
  0.60 GHz 0.95 GHz
• Execution units
  16 20
• Shader
  128 160
• Max. GPU Memory
  8 GB 2 GB
• Max. displays
  3 3
• Generation
  8 7.5
• DirectX Version
  12 11.1
• Technology
  14 nm 22 nm
• Release date
  Q2/2015 Q2/2013

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• 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

Overview of the types and quantities of RAM supported by Intel Core i3-4005U and Intel Atom x7-Z8700. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  LPDDR3-1600 DDR3L-1600 SO-DIMM
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  2.0 2.0
• PCIe lanes
  2 10

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Atom x7-Z8700 and Intel Core i3-4005U to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  2 W 15 W

Information on architecture, interfaces, and additional instructions supported by Intel Atom x7-Z8700 and Intel Core i3-4005U, including virtual machine technologies and fabrication processes.

• 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, AVX2
• L3-Cache
  2.00 MB 3.00 MB
• Architecture
  Cherry Trail Haswell U
• Technology
  14 nm 22 nm
• Socket
  BGA 138 BGA 1168
• Release date
  Q1/2015 Q3/2013