Intel Core i3-8145U vs Intel Core2 Duo E8400. Specifications, performance, tests

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

• CPU group
  Intel Core i 8000U Intel Core 2 Duo E7000/E8000
• Family
  Intel Core i3 Intel Core2 Duo
• Generation
  8 2
• Predecessor
  - No
• Segment
  Mobile Desktop
• Successor
  - No

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  2.1 GHz 3 GHz
• Core architecture
  normal normal
• CPU Cores
  2 2
• CPU Threads
  4 2
• Hyperthreading / SMT
  Yes No
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  3.9 GHz No
• Turbo Frequency (2 Cores)
  2.8 GHz No turbo

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• DirectX Version
  12 -
• Execution units
  24 -
• Generation
  9.5 -
• GPU Frequency
  300 MHz -
• GPU name
  Intel UHD Graphics 620 -
• GPU Turbo
  1000 MHz -
• Max. displays
  3 -
• Max. GPU Memory
  64 GB -
• Release date
  Q3/2016 -
• Shader
  192 -
• Technology
  14 nm -

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

• AV1
  No -
• H.264 / AVC
  Decode / Encode -
• h265 / HEVC (8 bit)
  Decode / Encode -
• h265 / HEVC (10 bit)
  Decode / Encode -
• JPEG
  Decode / Encode -
• VC-1
  Decode -
• VP8
  Decode / Encode -
• VP9
  Decode / Encode -

Types, channel quantity of RAM supported by Intel Core2 Duo E8400 and Intel Core i3-8145U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes No
• Max. Memory
  64 GB 16 GB
• Memory channels
  2 2
• Memory type
  DDR4-2400LPDDR3-2133 DDR2-1066 / DDR3-1333
• PCIe lanes
  16 -
• PCIe version
  3.0 -

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Core i3-8145U and Intel Core2 Duo E8400 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  100 °C 80 °C
• TDP (PL1, legacy label)
  15 W 65 W
• TDP (PL2)
  - No
• TDP down
  10 W No
• TDP up
  25 W No

Architecture, interfaces, additional instructions supported by Intel Core i3-8145U and Intel Core2 Duo E8400, virtual machine technologies and process technology.

• Architecture
  Whiskey Lake U Wolfdale
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 MMX, SSE, SSE2, SSE3, SSE 4.1
• L2-Cache
  - 6 MB
• L3-Cache
  4 MB No
• Release date
  Q3/2018 Q1/2008
• Socket
  BGA 1528 LGA 775
• Technology
  14 nm 45 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x