description Intel Core 2 Quad Q9400

• Name
  Intel Core 2 Quad Q9400
• Family
  Intel Core2 Quad
• CPU group
  Intel Core 2 Quad Q8000/Q9000
• Segment
  Desktop / Server
• Generation
  2

CPU Cores and Base Frequency

• CPU Cores / Threads
  4 / 4
• Core architecture
  normal
• Cores
  4x
• Hyperthreading / SMT
  No
• Overclocking
  No
• Frequency
  2.66 GHz

• GPU name
  no iGPU
• GPU (Turbo)
  No turbo

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

• Memory type
  DDR2-800, DDR3-1066
• Max. Memory
  16 GB
• Memory channels
  2 (Dual Channel)
• ECC
  No
• AES-NI
  No

• TDP (PL1)
  95 W

• Technology
  45 nm
• Chip design
  Monolithic
• Socket
  LGA 775
• L2-Cache
  6.00 MB
• Architecture
  Yorkfield (Penryn)
• Operating systems
  Windows 10, Linux
• Virtualization
  VT-x, VT-d
• Instruction set (ISA)
  x86-64 (64 bit)
• ISA extensions
  MMX, SSE2, SSE3, SSE4.1
• Release date
  Q3/2008