Intel Core2 Quad Processor Q9400

Essentials
Product Collection
Legacy Intel® Core™ Processors

Code Name
Products formerly Yorkfield

Vertical Segment
Desktop

Processor Number
Q9400

Lithography
45 nm

Use Conditions
PC/Client/Tablet

Recommended Customer Price
$180.00-$200.00
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Performance Specifications
Total Cores
4

Processor Base Frequency
2.66 GHz

Cache
6 MB L2 Cache

Bus Speed
1333 MHz

FSB Parity
No

TDP
95 W

VID Voltage Range
0.8500V-1.3625V

Supplemental Information
Marketing Status
Discontinued

Launch Date
Q3'08

Servicing Status
End of Servicing Lifetime

Embedded Options Available
Yes

Package Specifications
Sockets Supported
LGA775

TCASE
71.4°C

Package Size
37.5mm x 37.5mm

Processing Die Size
164 mm2

# of Processing Die Transistors
456 million

Advanced Technologies
Intel® Turbo Boost Technology ‡
No

Intel® Hyper-Threading Technology ‡
No

Intel® Virtualization Technology (VT-x) ‡
Yes

Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Yes

Intel® 64 ‡
Yes

Instruction Set
64-bit

Idle States
Yes

Enhanced Intel SpeedStep® Technology
Yes

Intel® Demand Based Switching
No

Thermal Monitoring Technologies
Yes

Security & Reliability
Intel® AES New Instructions
No

Intel® Trusted Execution Technology ‡
Yes

Execute Disable Bit ‡
Yes