Intel Atom Z3740D vs Intel Atom Z3745. 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 Atom
• Generation
  4 4
• CPU group
  Intel Atom Z3700 Intel Atom Z3700

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
  1.33 GHz 1.33 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  1.83 GHz 1.86 GHz
• CPU Threads
  4 4
• Turbo (4 Cores)
  No turbo No turbo
• Hyperthreading
  No No
• 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 (Bay Trail GT1) Intel HD Graphics (Bay Trail GT1)
• GPU frequency
  0.31 GHz 0.31 GHz
• GPU (Turbo)
  0.69 GHz 0.78 GHz
• Execution units
  4 4
• Shader
  32 32
• Max. GPU Memory
  8 GB 8 GB
• Max. displays
  2 2
• Generation
  7 7
• DirectX Version
  11.2 11.2
• Technology
  22 nm 22 nm
• Release date
  Q3/2013 Q3/2013

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
  No 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 Atom Z3745 and Intel Atom Z3740D. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR3L-1333 SO-DIMM LPDDR3-1066
• Max. Memory
  2 GB 4 GB
• ECC
  No No
• Memory channels
  1 2

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Atom Z3740D and Intel Atom Z3745 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  4 W 4 W
• Tjunction max.
  90 °C 90 °C

Information on architecture, interfaces, and additional instructions supported by Intel Atom Z3740D and Intel Atom Z3745, 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
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2
• L3-Cache
  2.00 MB 2.00 MB
• Architecture
  Bay Trail Bay Trail
• Technology
  22 nm 22 nm
• Socket
  BGA 592 BGA 1380
• Release date
  Q3/2013 Q1/2014