Intel Core i7-5700HQ vs Intel Core i3-5157U. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Core i7 Intel Core i3
• Generation
  5 5
• CPU group
  Intel Core i 5000H Intel Core i 5000U

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
  2.70 GHz 2.50 GHz
• CPU Cores
  4 2
• Turbo (1 Core)
  3.50 GHz No turbo
• CPU Threads
  8 4
• Hyperthreading
  Yes 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 5600 Intel Iris Graphics 6100
• GPU frequency
  0.30 GHz 0.30 GHz
• GPU (Turbo)
  1.05 GHz 1.00 GHz
• Execution units
  24 48
• Shader
  192 384
• Max. GPU Memory
  16 GB 16 GB
• Max. displays
  3 3
• Generation
  8 8
• DirectX Version
  11.2 11.2
• Technology
  14 nm 14 nm
• Release date
  Q2/2015 Q1/2015

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

Types, channel quantity of RAM supported by Intel Core i3-5157U and Intel Core i7-5700HQ. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1866 DDR3-1866
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  3.0 2.0
• PCIe lanes
  16 12

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i7-5700HQ and Intel Core i3-5157U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  47 W 28 W

Architecture, interfaces, additional instructions supported by Intel Core i7-5700HQ and Intel Core i7-5700HQ, 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, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
• L3-Cache
  6.00 MB 3.00 MB
• Architecture
  Broadwell H Broadwell U
• Technology
  14 nm 14 nm
• Socket
  BGA 1364 BGA 1168
• Release date
  Q2/2015 Q1/2015