Processor Intel Core 2 Quad Q9400, specifications and benchmarks

This section provides a comprehensive overview of the processors generation and family, explaining the specific market segment it is designed for. It covers key details such as the CPUs position within its product lineup, its intended use cases (e.g., consumer, server, or workstation), and how its generation compares to previous models.

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

Intel Core 2 Quad Q9400. This section highlights key performance parameters of the processor, including the number of cores, threads, and clock speeds (base and boost frequencies). These metrics directly impact multitasking capabilities and overall system performance in both single-threaded and multi-threaded applications.

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

This section breaks down the technical characteristics of the memory supported by the processor, including the types (e.g., DDR4, DDR5), number of memory channels, and maximum supported memory speed. It also covers PCI Express support, which determines the bandwidth available for GPUs, SSDs, and other peripherals, critical for high-performance systems.

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

This section focuses on the hardware-based security technologies integrated into the processor. These include encryption support features such as AES-NI, Intel SGX, and AMD Secure Memory Encryption, which provide robust protection for sensitive data and help mitigate cybersecurity risks.

• AES-NI
  No

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

This section explains the underlying technologies that enable the processor to deliver high performance. It includes details about the manufacturing process (e.g., 7nm, 10nm), supported instruction sets (e.g., AVX, SSE), and virtual machine extensions that enhance compatibility and efficiency across various workloads.

• Instruction set (ISA)
  x86-64 (64 bit)
• Virtualization
  VT-x, VT-d
• ISA extensions
  MMX, SSE2, SSE3, SSE4.1
• L2-Cache
  6.00 MB
• L3-Cache
  No
• Architecture
  Yorkfield
• Technology
  45 nm
• Socket
  LGA 775
• Release date
  Q3/2008

Common positions Intel Core 2 Quad Q9400 CPU in popular benchmarks, for comparison with other models.

• Geekbench 5, 64bit (Single-Core)
  1265 place
• Geekbench 5, 64bit (Multi-Core)
  1255 place
• Estimated results for PassMark CPU Mark
  1203 place