Intel Celeron J4005 vs Intel Core2 Duo E8400. Specifications, performance, tests

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

• CPU group
  Intel Celeron J4000/N4000/N5000 Intel Core 2 Duo E7000/E8000
• Family
  Intel Celeron Intel Core2 Duo
• Generation
  9 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 GHz 3 GHz
• Core architecture
  normal normal
• CPU Cores
  2 2
• CPU Threads
  2 2
• Hyperthreading / SMT
  No No
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  2.7 GHz No
• Turbo Frequency (2 Cores)
  2.7 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
  12 -
• Generation
  9.5 -
• GPU Frequency
  250 MHz -
• GPU name
  Intel UHD Graphics 600 -
• GPU Turbo
  700 MHz -
• Max. displays
  3 -
• Max. GPU Memory
  8 GB -
• Release date
  Q4/2017 -
• Shader
  96 -
• 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 Celeron J4005. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  8 GB 16 GB
• Memory channels
  2 2
• Memory type
  DDR4-2400 DDR2-1066 / DDR3-1333
• PCIe lanes
  6 -
• PCIe version
  2.0 -

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Celeron J4005 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
  - 80 °C
• TDP (PL1, legacy label)
  10 W 65 W
• TDP (PL2)
  - No
• TDP down
  - No
• TDP up
  - No

Architecture, interfaces, additional instructions supported by Intel Celeron J4005 and Intel Core2 Duo E8400, virtual machine technologies and process technology.

• Architecture
  Gemini Lake Wolfdale
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2 MMX, SSE, SSE2, SSE3, SSE 4.1
• L2-Cache
  - 6 MB
• L3-Cache
  4 MB No
• Release date
  Q4/2017 Q1/2008
• Socket
  BGA 1090 LGA 775
• Technology
  10 nm 45 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x