Intel Celeron J4125 vs Intel Core 2 Quad Q9400. Specifications, performance, tests

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

• Segment
  Mobile Desktop
• Family
  Intel Celeron Intel Core2 Duo
• Generation
  9 2
• CPU group
  Intel Celeron J4000/N4000/N5000 Intel Core 2 Quad Q8000/Q9000
• Predecessor
  -- No
• Successor
  -- No

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
  2.00 GHz 2.66 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  2.70 GHz No
• CPU Threads
  4 4
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  normal normal

Types, channel quantity of RAM supported by Intel Core 2 Quad Q9400 and Intel Celeron J4125. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2400LPDDR4-2400 DDR2-800 / DDR3-1066
• Max. Memory
  8 GB 16 GB
• ECC
  No No
• Memory channels
  2 2

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Celeron J4125 and Intel Core 2 Quad Q9400 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  10 W 95 W
• TDP up
  -- No
• TDP (PL2)
  -- No
• TDP down
  -- No
• Tjunction max.
  -- 90 °C

Architecture, interfaces, additional instructions supported by Intel Celeron J4125 and Intel Celeron J4125, 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-d
• ISA extensions
  SSE4.1, SSE4.2 MMX, SSE2, SSE3, SSE4.1
• L2-Cache
  -- 6.00 MB
• L3-Cache
  4.00 MB No
• Architecture
  Gemini Lake Yorkfield
• Technology
  10 nm 45 nm
• Socket
  BGA 1090 LGA 775
• Release date
  Q4/2019 Q3/2008