Essentials
Download Specifications
Product Collection
Legacy Intel Core™ Processors
Code Name
Products formerly Yorkfield
Vertical Segment
Desktop
Processor Number
Q9400
Lithography
45 nm
Recommended Customer Price
$180.00 - $200.00
Use Conditions
PC/Client/Tablet
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
