Intel Core 2 Quad Q9400 Processor

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Core 2 Quad Q9400 is a desktop processor from Intel released on 10 August 2008, and it is in end-of-life production status now. It belongs to Core 2 Quad family and has a Yorkfield architecture. This processor is built on Intel Socket 775, and uses Gen 2 PCI express connection. 45 nm process is used in production.

Processor has 4 cores and 4 threads, with the base frequency of 2.666 GHz. It has DDR1, DDR2, DDR3 Dual-channel memory support. As for the cache, it supports L1 64K (per core) and L2 6MB (shared).

Learn more about Intel Core 2 Quad Q9400:

Specifications

Market
Desktop
Release date
10 August 2008
Production status
End-of-life
Generation
Core 2 Quad
Codename
Yorkfield
Socket
Intel Socket 775
Number of cores
4
Number of threads
4
Frequency
2.666 GHz
Turbo clock
N/A
Cache L1
64K (per core)
Cache L2
6MB (shared)
TDP
95 W

Physical

Socket
Intel Socket 775
Intel
Process size
45 nm
Transistors
456 million
Die size
2x 81 mm²
Package
FC-LGA6
tCaseMax
71°C

Performance

Frequency
2.666 GHz
Turbo clock
N/A
Base clock
333 MHz
Multiplier
8.0x
Multiplier unlocked
No
Voltage
1.11 V
TDP
95 W

Architecture

Market
Desktop
Production status
End-of-life
Release date
10 August 2008
Codename
Yorkfield
Generation
Core 2 Quad
Part
SLB6B
Memory support
DDR1, DDR2, DDR3 Dual-channel
ECC memory
No
PCI Express
Gen 2

Cores

Number of cores
4
Number of threads
4
SMP # CPUs
1
Integrated graphics
N/A

Cache

Cache L1
64K (per core)
Cache L2
6MB (shared)

Features

  • MMX
  • SSE
  • SSE2
  • SSE3
  • SSE4.1
  • EIST
  • Intel 64
  • VT-x
  • TXT
  • iAMT2

Drivers

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