Processor Intel Core 2 Quad Q8400, specifications and benchmarks

• CPU group
  Intel Core 2 Quad Q8000/Q9000
• Family
  Intel Core2 Duo
• Generation
  2
• Name
  Intel Core 2 Quad Q8400
• Predecessor
  No
• Segment
  Desktop
• Successor
  No

• Base Frequency
  2.66 GHz
• Core architecture
  normal
• CPU Cores
  4
• CPU Threads
  4
• Hyperthreading / SMT
  No
• Overclocking
  No
• Turbo Frequency (1 Core)
  No
• Turbo Frequency (2 Cores)
  No turbo

• ECC
  No
• Max. Memory
  16 GB
• Memory channels
  2
• Memory type
  DDR2-800 / DDR3-1066
• PCIe
  —

• AES-NI
  No

• Maximum Operating Temperature
  90 °C
• TDP (PL1, legacy label)
  95 W
• TDP (PL2)
  No
• TDP down
  No
• TDP up
  No

• Architecture
  Yorkfield
• Instruction set (ISA)
  x86-64 (64 bit)
• ISA extensions
  MMX, SSE2, SSE3, SSE4.1
• L2-Cache
  4 MB
• L3-Cache
  No
• Release date
  Q2/2009
• Socket
  LGA 775
• Technology
  45 nm
• Virtualization
  VT-x, VT-d

Common positions Intel Core 2 Quad Q8400 CPU in popular benchmarks, for comparison with other models.

• Geekbench 5, 64bit (Single-Core)
  1096 place
• Geekbench 5, 64bit (Multi-Core)
  1018 place
• Estimated results for PassMark CPU Mark
  1032 place