Intel Core i3-8145UE vs Intel Core i5-8257U. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Core i3 Intel Core i5
• Generation
  8 8
• CPU group
  Intel Core i 8000U Intel Core i 8000U

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
  2.20 GHz 1.40 GHz
• CPU Cores
  2 4
• Turbo (1 Core)
  3.90 GHz 3.90 GHz
• CPU Threads
  4 8
• 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 UHD Graphics 620 Intel Iris Plus Graphics 645
• GPU frequency
  0.30 GHz 0.30 GHz
• GPU (Turbo)
  1.00 GHz 1.05 GHz
• Execution units
  24 48
• Shader
  192 384
• Max. GPU Memory
  64 GB 32 GB
• Max. displays
  3 3
• Generation
  9.5 9.5
• DirectX Version
  12 12
• Technology
  14 nm 14 nm
• Release date
  Q3/2016 Q4/2017

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode / Encode
• AV1
  No No
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i5-8257U and Intel Core i3-8145UE. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2400 SO-DIMMLPDDR3-2133 DDR4-2400 SO-DIMMLPDDR3-2133
• Max. Memory
  64 GB
• ECC
  Yes No
• Memory channels
  2 2
• PCIe version
  3.0 3.0
• PCIe lanes
  16 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i3-8145UE and Intel Core i5-8257U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  15 W 15 W
• TDP up
  25 W --
• TDP down
  12.5 W --
• Tjunction max.
  100 °C --

Architecture, interfaces, additional instructions supported by Intel Core i3-8145UE and Intel Core i3-8145UE, 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
  4.00 MB 6.00 MB
• Architecture
  Whiskey Lake U Coffee Lake U
• Technology
  14 nm 14 nm
• Socket
  BGA 1528 BGA 1528
• Release date
  Q2/2019 Q3/2019