Intel Core 2 Quad Q9400s processor review

Core 2 Quad Q9400s processor released by Intel; release date: January 2009. The processor is designed for desktop-computers and based on Yorkfield microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4. Maximum CPU clock speed - 2.67 GHz. Maximum operating temperature - 76.3°C. Manufacturing process technology - 45 nm. Cache size: L1 - 256 KB, L2 - 6144 KB.

Supported memory types: DDR1, DDR2, DDR3.

Supported socket types: LGA775. Maximum number of processors in a configuration - 1. Power consumption (TDP): 65 Watt.

Specifications (specs)

Essentials
Architecture codename	Yorkfield
Launch date	January 2009
Place in performance rating	not rated
Processor Number	Q9400S
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Vertical segment	Desktop
Performance
64 bit support
Base frequency	2.66 GHz
Bus Speed	1333 MHz FSB
Die size	164 mm2
L1 cache	256 KB
L2 cache	6144 KB
Manufacturing process technology	45 nm
Maximum case temperature (TCase)	76 °C
Maximum core temperature	76.3°C
Maximum frequency	2.67 GHz
Number of cores	4
Transistor count	456 million
VID voltage range	0.8500V-1.3625V

Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	37.5mm x 37.5mm
Sockets supported	LGA775
Thermal Design Power (TDP)	65 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)