Product Collection
Legacy Intel® Core™ Processors
Vertical Segment
Desktop
Processor Number
Q8400S
Lithography
45 nm
New Design Availability Expiration Date
Friday, April 25, 2014

Performance Specifications

Total Cores
4
Processor Base Frequency
2.66 GHz
Cache
4 MB L2 Cache
Bus Speed
1333 MHz
TDP
65 W
VID Voltage Range
0.8500V-1.3625V

Supplemental Information

Marketing Status
Discontinued
Launch Date
Q2'09
Servicing Status
End of Servicing Lifetime
Embedded Options Available
No

Package Specifications

Sockets Supported
FCLGA775,LGA775
TCASE
76.3°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® 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
No
Execute Disable Bit
Yes